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  1. Sobrevivência de espécies arbóreas plantadas em clareiras causadas pela colheita de madeira em uma floresta de terra firme no município de Paragominas na Amazônia brasileira Survival of seedlings planted in gaps after harvesting in a terra firme rain forest in Paragominas region in the Brazilian Amazonia

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    Jaqueline Macêdo Gomes

    2010-03-01

    Full Text Available Analisou-se a sobrevivência de mudas plantadas em 400 clareiras causadas por exploração florestal de impacto reduzido, em floresta de terra firme na Amazônia Oriental. Foram plantadas 3.818 mudas de 17 espécies, das quais apenas Schizolobium amazonicum não ocorre na área de estudo. A distância entre as mudas plantadas foi de aproximadamente 5m. As avaliações ocorreram em 2005 e 2006. Com base na sobrevivência das mudas aos 11 meses após o plantio, as espécies indicadas para o enriquecimento de clareiras são: Schizolobium amazonicum, Cedrela odorata, Jacaranda copaia, Manilkara huberi, Astronium gracile, Pouteria bilocularis, Tabebuia impetiginosa,Pseudopiptadenia suaveolens, Cordia goeldiana, Parkia gigantocarpa, Simarouba amara, Sterculia pilosa, Laetia procera, Dinizia excelsa e Schefflera morototoni. Estudos sobre a taxa de crescimento, em períodos mais longos, são necessários para confirmar a utilização dessas espécies em plantios de enriquecimento de clareiras oriundas de exploração florestal, como alternativa para aumentar a produtividade e o valor econômico das florestas naturais manejadas na Amazônia brasileira.Survival of seedlings planted in 400 gaps created by reduced impact logging in a terra firme forest in the Eastern Amazonia was evaluated. 3,818 seedlings from 17 species occurring in the study area, except for Schizolobium amazonicum (paricá, which is rare in natural forests of Paragominas region, were planted in the gaps. Spacing of planted seedlings was 5m. According to survival of seedlings during 11 months after planting, the species Schizolobium amazonicum, Cedrela odorata, Jacaranda copaia, Manilkara huberi, Astronium gracile, Pouteria bilocularis, Tabebuia impetiginosa,Pseudopiptadenia suaveolens, Cordia goeldiana, Parkia gigantocarpa, Simarouba amara, Sterculia pilosa, Laetia procera, Dinizia excelsa and Schefflera morototoni can be suggested for enriching in gaps created by reduced impact logging

  2. Tree communities of white-sand and terra-firme forests of the upper Rio Negro Comunidades de árvores em florestas de campinarana e de terra-firme do alto Rio Negro

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    Juliana Stropp

    2011-01-01

    Full Text Available The high tree diversity and vast extent of Amazonian forests challenge our understanding of how tree species abundance and composition varies across this region. Information about these parameters, usually obtained from tree inventories plots, is essential for revealing patterns of tree diversity. Numerous tree inventories plots have been established in Amazonia, yet, tree species composition and diversity of white-sand and terra-firme forests of the upper Rio Negro still remain poorly understood. Here, we present data from eight new one-hectare tree inventories plots established in the upper Rio Negro; four of which were located in white-sand forests and four in terra-firme forests. Overall, we registered 4703 trees > 10 cm of diameter at breast height. These trees belong to 49 families, 215 genera, and 603 species. We found that tree communities of terra-firme and white-sand forests in the upper Rio Negro significantly differ from each other in their species composition. Tree communities of white-sand forests show a higher floristic similarity and lower diversity than those of terra-firme forests. We argue that mechanisms driving differences between tree communities of white-sand and terra-firme forests are related to habitat size, which ultimately influences large-scale and long-term evolutionary processes.A vasta extensão e a alta diversidade de árvores das florestas na Amazônia desafiam a nossa compreensão sobre como variam a composição e abundância de espécies arbóreas ao longo desta região. Informações sobre estes parâmetros, geralmente obtidas a partir de inventários florísticos, são fundamentais para análises sobre padrões de diversidade. Embora inúmeros inventários florísticos tenham sido estabelecidos na Amazônia, a composição de espécies e a diversidade de árvores das florestas de campinarana e de terra-firme, na região do alto Rio Negro, permanecem ainda pouco conhecidas. Aqui, apresentamos dados de invent

  3. Distance decay of tree species similarity in protected areas on terra firme forests in Colombian Amazonia

    NARCIS (Netherlands)

    Duque, Á.; Phillips, J.F.; von Hildebrand, P.; Posada, C.A.; Prieto, A.; Rudas, A.; Suescún, M.; Stevenson, P.

    2009-01-01

    In this study, we investigated the pattern of floristic similarity as a function of geographical distances and environmental variability in well-drained uplands (terra firme) in Colombian Amazonia. The study site comprised three National Natural Parks, Tinigua, Chiribiquete, and Amacayacu, located

  4. Avian distribution in treefall gaps and understorey of terra firme forest in the lowland Amazon

    Science.gov (United States)

    JR WUNDERLE; MICHAEL R. WILLIG; LUIZA MAGALLI PINTO HENRIQUES

    2005-01-01

    We compared the bird distributions in the understorey of treefall gaps and sites with intact canopy in Amazonian terra firme forest in Brazil. We compiled 2216 mist-net captures (116 species) in 32 gap and 32 forest sites over 22.3 months. Gap habitats differed from forest habitats in having higher capture rates, total captures, species richness and diversity....

  5. Growth rate of a terra firme rain forest in Brazilian Amazonia over an eight-year period in response to logging Crescimento de uma floresta de terra firme na Amazônia brasileira em um período de oito anos após a exploração florestal

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    João Olegário Pereira de Carvalho

    2004-01-01

    Full Text Available This paper deals with growth rates of trees > 5cm dbh over an eight-year period from 257 species at the Tapajós National Forest. The discussion is centred on the behaviour of the forest after logging. Permanent sample plots were established in 1981 and measured at the first time. The area was logged in 1982. Measurements after logging occurred in 1983, 1987 and 1989. Considering all species together, diameter increment was similar for both intensities of logging until five years after logging. Light-demanding species showed significantly higher growth rates than shade-tolerant species in the logged forest, with greater increment in the heavier treatment intensity. Commercial species also had higher growth rates in the heavier logged area, although those were significantly different only in the period from one to five years after logging. In the undisturbed forest, growth rates increased with increasing dbh size. At species level, growth rate varied between and within treatments, as well as between trees within species, depending mainly on degree of canopy opening. The logging favoured the growth of commercial species, chiefly the light-demanders. Therefore, if the same growth conditions continue being given, for example by silvicultural treatments, to those species of commercial interest, the forest would reach a stock available for harvesting around year 30 after logging. However, the high variation in increment rates indicates that an eight-year period is not sufficient to allow predictions on cutting cycles or polycyclic management systems for the study forest.É analisado o crescimento de 257 espécies arbóreas, considerando indivíduos com DAP > 5cm, na Floresta Nacional do Tapajós, em um período de oito anos. Em 1981 foram estabelecidas parcelas permanentes, e medidas pela primeira vez. Em 1982 a área foi explorada. Medições após a exploração foram realizadas em 1983, 1987 e 1989. Considerando todas as espécies juntas, o

  6. Multi-scale comparisons of tree composition in Amazonian terra firme forests

    Science.gov (United States)

    Honorio Coronado, E. N.; Baker, T. R.; Phillips, O. L.; Pitman, N. C. A.; Pennington, R. T.; Vásquez Martínez, R.; Monteagudo, A.; Mogollón, H.; Dávila Cardozo, N.; Ríos, M.; García-Villacorta, R.; Valderrama, E.; Ahuite, M.; Huamantupa, I.; Neill, D. A.; Laurance, W. F.; Nascimento, H. E. M.; Soares de Almeida, S.; Killeen, T. J.; Arroyo, L.; Núñez, P.; Freitas Alvarado, L.

    2009-11-01

    We explored the floristic composition of terra firme forests across Amazonia using 55 plots. Firstly, we examined the floristic patterns using both genus- and species-level data and found that the species-level analysis more clearly distinguishes among forests. Next, we compared the variation in plot floristic composition at regional- and continental-scales, and found that average among-pair floristic similarity and its decay with distance behave similarly at regional- and continental-scales. Nevertheless, geographical distance had different effects on floristic similarity within regions at distances floristic variation than plots of central and eastern Amazonia. Finally, we quantified the role of environmental factors and geographical distance for determining variation in floristic composition. A partial Mantel test indicated that while geographical distance appeared to be more important at continental scales, soil fertility was crucial at regional scales within western Amazonia, where areas with similar soil conditions were more likely to share a high number of species. Overall, these results suggest that regional-scale variation in floristic composition can rival continental-scale differences within Amazonian terra firme forests, and that variation in floristic composition at both scales is influenced by geographical distance and environmental factors, such as climate and soil fertility. To fully account for regional-scale variation in continental studies of floristic composition, future floristic studies should focus on forest types poorly represented at regional scales in current datasets, such as terra firme forests with high soil fertility in north-western Amazonia.

  7. Integrating regional and continental scale comparisons of tree composition in Amazonian terra firme forests

    Science.gov (United States)

    Honorio Coronado, E. N.; Baker, T. R.; Phillips, O. L.; Pitman, N. C. A.; Pennington, R. T.; Vásquez Martínez, R.; Monteagudo, A.; Mogollón, H.; Dávila Cardozo, N.; Ríos, M.; García-Villacorta, R.; Valderrama, E.; Ahuite, M.; Huamantupa, I.; Neill, D. A.; Laurance, W. F.; Nascimento, H. E. M.; Soares de Almeida, S.; Killeen, T. J.; Arroyo, L.; Núñez, P.; Freitas Alvarado, L.

    2009-01-01

    We contrast regional and continental-scale comparisons of the floristic composition of terra firme forest in South Amazonia, using 55 plots across Amazonia and a subset of 30 plots from northern Peru and Ecuador. Firstly, we examine the floristic patterns using both genus- or species-level data and find that the species-level analysis more clearly distinguishes different plot clusters. Secondly, we compare the patterns and causes of floristic differences at regional and continental scales. At a continental scale, ordination analysis shows that species of Lecythidaceae and Sapotaceae are gradually replaced by species of Arecaceae and Myristicaceae from eastern to western Amazonia. These floristic gradients are correlated with gradients in soil fertility and to dry season length, similar to previous studies. At a regional scale, similar patterns are found within north-western Amazonia, where differences in soil fertility distinguish plots where species of Lecythidaceae, characteristic of poor soils, are gradually replaced by species of Myristicaceae on richer soils. The main coordinate of this regional-scale ordination correlates mainly with concentrations of available calcium and magnesium. Thirdly, we ask at a regional scale within north-western Amazonia, whether soil fertility or other distance dependent processes are more important for determining variation in floristic composition. A Mantel test indicates that both soils and geographical distance have a similar and significant role in determining floristic similarity across this region. Overall, these results suggest that regional-scale variation in floristic composition can rival continental scale differences within Amazonian terra firme forests, and that variation in floristic composition at both scales is dependent on a range of processes that include both habitat specialisation related to edaphic conditions and other distance-dependent processes. To fully account for regional scale variation in continental

  8. Multi-scale comparisons of tree composition in Amazonian terra firme forests

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    L. Freitas Alvarado

    2009-11-01

    Full Text Available We explored the floristic composition of terra firme forests across Amazonia using 55 plots. Firstly, we examined the floristic patterns using both genus- and species-level data and found that the species-level analysis more clearly distinguishes among forests. Next, we compared the variation in plot floristic composition at regional- and continental-scales, and found that average among-pair floristic similarity and its decay with distance behave similarly at regional- and continental-scales. Nevertheless, geographical distance had different effects on floristic similarity within regions at distances <100 km, where north-western and south-western Amazonian regions showed greater floristic variation than plots of central and eastern Amazonia. Finally, we quantified the role of environmental factors and geographical distance for determining variation in floristic composition. A partial Mantel test indicated that while geographical distance appeared to be more important at continental scales, soil fertility was crucial at regional scales within western Amazonia, where areas with similar soil conditions were more likely to share a high number of species. Overall, these results suggest that regional-scale variation in floristic composition can rival continental-scale differences within Amazonian terra firme forests, and that variation in floristic composition at both scales is influenced by geographical distance and environmental factors, such as climate and soil fertility. To fully account for regional-scale variation in continental studies of floristic composition, future floristic studies should focus on forest types poorly represented at regional scales in current datasets, such as terra firme forests with high soil fertility in north-western Amazonia.

  9. Soil water storage in an upland forest after selective logging in Central Amazonia Armazenamento de água no solo após extração seletiva de madeira em floresta de terra firme na Amazônia Central

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    S. J. F. Ferreira

    2004-02-01

    Full Text Available Soil water storage of Central Amazonian soil profiles in upland forest plots subjected to selective logging (in average, 8 trees or 34, 3 m³ of timber per hectare were removed was measured in four layers, down to a depth of 70 cm. The study lasted 27-months and was divided in two phases: measurements were carried out nearly every week during the first 15 months; in the following year, five intensive periods of measurements were performed. Five damage levels were compared: (a control (undisturbed forest plot; (b centre of the clearing/gap; (c edge of the gap; (d edge of the remaining forest; and (e remaining forest. The lowest values for water storage were found in the control (296 ± 19.1 mm, while the highest were observed (333 ± 25.8 mm in the centre of the gap, during the dry period. In the older gaps (7.5-8.5 year old, soil water storage was similar to the remaining and the control forest, indicating a recovery of hydric soil properties to nearly the levels prior to selective logging.Foi medido o armazenamento de água em perfis de solo de 0-70 cm, divididos em quatro camadas em parcelas de floresta de terra firme na Amazônia Central, submetidas à extração seletiva de madeira, tendo sido retiradas, em média, 8 árvores por hectare ou 34 m³ de madeira. O estudo foi realizado num período de 27 meses em duas fases: na primeira, as medidas foram, na sua maioria, semanais, num período de 15 meses. Na segunda, as medidas foram feitas em cinco períodos intensivos. Foram comparados cinco tratamentos: (a controle (floresta intacta, (b centro da clareira, (c borda da clareira, (d borda da floresta remanescente e (e floresta remanescente. Os valores mais baixos de armazenamento de água no solo (296 ± 19,1 mm foram encontrados no controle, enquanto os mais altos foram medidos no centro da clareira (333 ± 25,8 mm, no período seco. Nas clareiras mais antigas (7,5-8,5 anos de idade, os armazenamentos de água no solo foram similares aos da

  10. Necromass in forests of Madre de Dios, Peru: a comparison between terra firme and lowland forests

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    Alejandro Araujo-Murakami

    2011-06-01

    Full Text Available Stocks of dead wood or necromass represent an important portion of biomass and nutrients in tropical forests. The objectives of this study were: 1 to evaluate and compare the necromass of “terra firme” and lowlands forests, (2 to study the relationship between necromass, above-ground biomass and wood density, and (3 to estimate the necromass of the department of Madre de Dios, Peru. Stocks of necromass and above-ground biomass were estimated at three different locations using permanent plots and line intercept transects. The average volume of necromass for the three sites was 72.9 m3 ha-1 with an average weight varying between 24.8 and 30.7 Mg ha-1, depending on the estimations of dead wood density used for the calculations. Terra firme forests had significantly higher stocks of necromass than lowland forests. The amount of necromass was 11% of the total above-ground biomass in Madre de Dios forests. The total stock of carbon stored in dead wood for the entire department of Madre de Dios was estimated to be approximately 100 mega tonnes of carbon. This is ten times more than the annual fossil fuel emissions of Peru between 2000 and 2008. The substantial stocks of necromass emphasize the importance of these types of field studies, considering that this component of tropical forest carbon cannot be detected using other methods such as satellite remote sensing.

  11. Floristic composition and community structure of epiphytic angiosperms in a terra firme forest in central Amazonia

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    Mariana Victória Irume

    2013-06-01

    Full Text Available This survey aimed to describe the floristic composition and structure of the epiphytic community occurring in a terra firme forest in the city of Coari, Brazil, in the Amazon region. Data collection was performed with a 1.5 ha plot method, with which upland, slope and lowland habitats were sampled. All angiosperm epiphytes and their host plants (diameter at breast height > 10 cm were sampled. We recorded 3.528 individuals in 13 families, 48 genera and 164 species. Araceae was the most prevalent family with regard to the importance value and stood out in all related parameters, followed by Bromeliaceae, Cyclanthaceae and Orchidaceae. The species with the highest epiphytic importance values were Guzmania lingulata (L. Mez. and Philodendron linnaei Kunth. The predominant life form was hemiepiphytic. Estimated floristic diversity was 3.2 (H'. The studied epiphytic community was distributed among 727 host plants belonging to 40 families, 123 genera and 324 species. One individual of Guarea convergens T.D. Penn. was the host with the highest richness and abundance of epiphytes. Stems/trunks of host plants were the most colonized segments, and the most favorable habitat for epiphytism was the lowlands, where 84.1% of species and 48.2% of epiphytic specimens were observed.

  12. Comportamento de cultivares de milho verde em ecossistema de v?rzea e terra firme no estado do Amazonas.

    OpenAIRE

    Di?genes, Haroldo Cunha

    2011-01-01

    O trabalho objetivou avaliar o comportamento de oito cultivares de milho com caracter?sticas para consumo no est?dio verde de matura??o e verificar a adaptabilidade aos ecossistemas de terra firme e v?rzea nas condi??es edafoclim?ticas dos munic?pios de Manaus e Iranduba no Estado do Amazonas. Os experimentos foram conduzidos no delineamento experimental de blocos casualizados com arranjo fatorial 8 x 2 x 5 e quatro repeti??es. Os tratamentos foram definidos por oito cultivares de milho, em d...

  13. Os direitos da mulher à terra e os movimentos sociais rurais na reforma agrária brasileira

    OpenAIRE

    Deere,Carmen Diana

    2004-01-01

    Este artigo examina a evolução da reivindicação dos direitos da mulher à terra na reforma agrária brasileira sob o prisma dos três principais movimentos sociais rurais: o Movimento dos Trabalhadores Rurais Sem Terra (MST), os sindicatos rurais e o movimento autônomo de mulheres rurais. O mérito maior por levantar a questão dos direitos da mulher à terra é das mulheres dentro dos sindicatos rurais. Os direitos formais das mulheres à terra foram conseguidos na reforma constitucional de 1988, e ...

  14. The impact of rise of the Andes and Amazon landscape evolution on diversification of lowland terra-firme forest birds

    Science.gov (United States)

    Aleixo, A.; Wilkinson, M. J.

    2011-12-01

    Since the 19th Century, the unmatched biological diversity of Amazonia has stimulated a diverse set of hypotheses accounting for patterns of species diversity and distribution in mega-diverse tropical environments. Unfortunately, the evidence supporting particular hypotheses to date is at best described as ambiguous, and no generalizations have emerged yet, mostly due to the lack of comprehensive comparative phylogeographic studies with thorough trans-Amazonian sampling of lineages. Here we report on spatial and temporal patterns of diversification estimated from mitochondrial gene trees for 31 lineages of birds associated with upland terra-firme forest, the dominant habitat in modern lowland Amazonia. The results confirm the pervasive role of Amazonian rivers as primary barriers separating sister lineages of birds, and a protracted spatio-temporal pattern of diversification, with a gradual reduction of earlier (1st and 2nd) and older (> 2 mya) splits associated with each lineage in an eastward direction (the easternmost tributaries of the Amazon, the Xingu and Tocantins Rivers, are not associated with any splits older than > 2 mya). This "younging-eastward" pattern may have an abiotic explanation related to landscape evolution. Triggered by a new pulse of Andean uplift, it has been proposed that modern Amazon basin landscapes may have evolved successively eastward, away from the mountain chain, starting ~10 mya. This process was likely based on the deposition of vast fluvial sediment masses, known as megafans, which apparently extended in series progressively eastward from Andean sources. The effects on drainage patterns are apparent from the location of axial rivers such as the Negro / Orinoco and Madeira which lie at the distal ends of major megafan ramparts at cratonic margins furthest from the Andes. Megafan extension plausibly explains the progressive extinction of the original Pebas wetland of west-central Amazonia by the present fluvial landsurfaces where

  15. Floristic and phytosociology in dense "terra firme" rainforest in the Belo Monte Hydroelectric Plant influence area, Pará, Brazil.

    Science.gov (United States)

    Lemos, D A N; Ferreira, B G A; Siqueira, J D P; Oliveira, M M; Ferreira, A M

    2015-08-01

    The objective of the present study was to characterise the floristic and phytosociological composition on a stretch of dense "Terra Firme" rainforest located in the Belo Monte hydroelectric plant area of influence, located in the state of Pará, Brazil. All trees with DAP >10 cm situated in 75 permanent plots of 1 ha were inventoried. 27,126 individuals trees (361 ind.ha-1), distributed in 59 botanical families, comprising 481 species were observed. The families with the largest number of species were Fabaceae (94), Araceae (65) and Arecaceae (43), comprising 43.7% of total species. The species Alexa grandiflora (4.41), Cenostigma tocantinum (2.50) and Bertholletia excelsa (2.28) showed the highest importance values (IV). The ten species with greater IV are concentrated (22%). The forest community has high species richness and can be classified as diverse age trees, heterogeneous and of medium conservation condition.

  16. Diversity and aspects of the ecology of social wasps (Vespidae, Polistinae in Central Amazonian "terra firme" forest

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    Alexandre Somavilla

    2014-12-01

    Full Text Available Diversity and aspects of the ecology of social wasps (Vespidae, Polistinae in Central Amazonian "terra firme" forest. The knowledge of social wasp richness and biology in the Amazonian region is considered insufficient. Although the Amazonas state is the largest in the region, until now only two brief surveys were conducted there. Considering that the systematic inventory of an area is the first step towards its conservation and wise use, this study presents faunal data on social wasp diversity in a 25 km² area of "terra firme" (upland forest at the Ducke Reserve, Manaus, Amazonas, Brazil. Wasps were collected in the understory, following a protocol of three collectors walking along 60 trails 1,000 m in extension for 16 days between August and October 2010. Methods used were active search of individuals with entomological nets and nest collecting. Fifty-eight species of social wasps, allocated in 13 genera, were recorded; 67% of the collected species belong to Polybia, Agelaia and Mischocyttarus; other genera were represented by only four species or less. The most frequent species in active searches were Agelaia fulvofasciata (DeGeer, 1773, Agelaia testacea (Fabricius, 1804 and Angiopolybia pallens (Lepeletier, 1836. Twelve species were collected in nests. Prior to this study, 65 Polistinae species were deposited at the INPA Collection. Collecting in the study grid, an area not previously sampled for wasps, resulted in an increase of 25% species, and species richness was 86. According to the results, there is evidence that the diversity of social wasps at the Ducke Reserve is even higher, making it one of the richest areas in the Brazilian Amazonia.

  17. The Impact of Rise of the Andes and Amazon Landscape Evolution on Diversification of Lowland terra-firme Forest Birds

    Science.gov (United States)

    Aleixo, Alexandre; Wilkinson, M. Justin

    2011-01-01

    Since the 19th Century, the unmatched biological diversity of Amazonia has stimulated a diverse set of hypotheses accounting for patterns of species diversity and distribution in mega-diverse tropical environments. Unfortunately, the evidence supporting particular hypotheses to date is at best described as ambiguous, and no generalizations have emerged yet, mostly due to the lack of comprehensive comparative phylogeographic studies with thorough trans-Amazonian sampling of lineages. Here we report on spatial and temporal patterns of diversification estimated from mitochondrial gene trees for 31 lineages of birds associated with upland terra-firme forest, the dominant habitat in modern lowland Amazonia. The results confirm the pervasive role of Amazonian rivers as primary barriers separating sister lineages of birds, and a protracted spatio-temporal pattern of diversification, with a gradual reduction of earlier (1st and 2nd) and older (> 2 mya) splits associated with each lineage in an eastward direction. (The easternmost tributaries of the Amazon, the Xingu and Tocantins Rivers, are not associated with any splits older than > 2 mya). For the suboscine passerines, maximum-likelihood estimates of rates of diversification point to an overall constant rate over the past 5 my (up to a significant downturn at 300,000 y ago). This "younging-eastward" pattern may have an abiotic explanation related to landscape evolution. Triggered by a new pulse of Andean uplift, it has been proposed that modern Amazon basin landscapes may have evolved successively eastward, away from the mountain chain, starting approximately 10 mya. This process was likely based on the deposition of vast fluvial sediment masses, known as megafans, that may have extended progressively and in series eastward from Andean sources. This process plausibly explains the progressive extinction of original Pebas wetland of western-central Amazonia by the present fluvial landsurfaces of a more terra-firme type

  18. Arbuscular mycorrhizal fungal communities along a pedo-hydrological gradient in a Central Amazonian terra firme forest.

    Science.gov (United States)

    de Oliveira Freitas, Rejane; Buscardo, Erika; Nagy, Laszlo; dos Santos Maciel, Alex Bruno; Carrenho, Rosilaine; Luizão, Regina C C

    2014-01-01

    Little attention has been paid to plant mutualistic interactions in the Amazon rainforest, and the general pattern of occurrence and diversity of arbuscular mycorrhizal fungi (AMF) in these ecosystems is largely unknown. This study investigated AMF communities through their spores in soil in a 'terra firme forest' in Central Amazonia. The contribution played by abiotic factors and plant host species identity in regulating the composition, abundance and diversity of such communities along a topographic gradient with different soils and hydrology was also evaluated. Forty-one spore morphotypes were observed with species belonging to the genera Glomus and Acaulospora, representing 44 % of the total taxa. Soil texture and moisture, together with host identity, were predominant factors responsible for shaping AMF communities along the pedo-hydrological gradient. However, the variability within AMF communities was largely associated with shifts in the relative abundance of spores rather than changes in species composition, confirming that common AMF species are widely distributed in plant communities and all plants recruited into the forest are likely to be exposed to the dominant sporulating AMF species.

  19. Allometry and growth of six tree species in a terra firme forest in colombian amazonia

    International Nuclear Information System (INIS)

    Giraldo Pamplona Wilson A; Dairon, Alvaro; Cardenas Montoya J, Duque

    2011-01-01

    In this study carried out in the Amacayacu National Park in the Colombian Amazonia, we assessed the allometric relationship among different tree structural variables and the growth in diameter and biomass of six species classified according to their wood specific gravity. The tree species chosen were Eschweilera rufolia, Eschweilera itayensis, Conceveiba guianensis, Otoba parvifolia, Pseudolmedia laevis, and Apeiba aspera. The dbh was the most important structural explanatory variable. Regarding the total height dbh model, the allometric coefficient b changed between species showing a trend to increase, and thus a taper decrease, proportional to. There were o significant differences in diameter growth between species (P=0.119, F=1.80) or functional groups (P=0.153, F= 1.19). Likewise, biomass growth did not show significant differences neither between species (P=0.0784, F=2.05) nor functional groups (P=0.0711, F=2.71). However, there was a positive trend between and diameter growth and a negative one between and biomass growth. The results of this study suggest that this forest is recovering in biomass at a constant rate independent of the patch age, which emphasizes on the importance of pioneer species and gap formation on the carbon dynamics and the species coexistence in Amazonian tierra firme forests.

  20. Dieta de Micoureus demerarae (Thomas (Mammalia, Didelphidae associada às florestas contíguas de mangue e terra firme em Bragança, Pará, Brasil Diet of Micoreus demerarae (Thomas (Mammalia, Didelphidae associated with contiguous forests of mangrove and terra firme in Bragança, Pará, Brazil

    Directory of Open Access Journals (Sweden)

    Marcus E. B. Fernandes

    2006-12-01

    Full Text Available A dieta de Micoureus demerarae (Thomas, 1905 foi estudada em bosques de mangue e terra firme através de amostras estomacais e fecais. O número de indivíduos capturados foi inversamente proporcional à disponibilidade de frutos e insetos, sendo Coleoptera e Hemiptera as ordens de artrópodes mais consumidos e Passifloraceae e Arecaceae os frutos mais ingeridos. Desse modo, tanto a maior variabilidade de frutos como a alta produção destes durante a estação seca, parecem explicar o aumento da captura desses animais nos bosques de terra firme, dos quais são originalmente provenientes. Os itens alimentares sugerem que esta espécie possui uma dieta do tipo onívora, independentemente da sazonalidade ou distribuição dos recursos disponíveis.The diet of Micoureus demerarae (Thomas, 1905 was studied in mangrove and terra firme stands by using stomachal and faecal samples. The number of captured individuals was inversely proportional to availability of fruits and insects, being Coleoptera and Hemiptera the most consumed arthropod orders and Passifloraceae and Arecaceae the most ingested fruits. Thus, either fruits variability or their high yield during the dry season seem to explain the increase of captured animals in the terra firme stands, where they originally come from. The food items suggest that this species has an omnivorous diet, independently of the seasonality or distribution of available resources.

  1. Caracterização atual do uso da terra e da cobertura vegetal na região da Terra Indígena Sangradouro/Volta Grande-Mato Grosso, Brasil

    OpenAIRE

    Kawakubo, Fernando Shinji; Morato, Rúbia Gomes; Correia Junior, Paulo Almeida; Luchiari, Ailton

    2004-01-01

    O objetivo desta pesquisa foi realizar o mapeamento do uso e cobertura vegetal na Terra Indígena Sangradouro/Volta Grande-MT (Brasil). As técnicas utilizadas consistem na aplicação do Modelo Linear de Mistura Espectral seguidas pela segmentação das imagens sintéticas e classificação supervisionada dos componentes segmentados. O cálculo das áreas correspondentes as classes de uso e cobertura vegetal permitiu avaliar a situação atual da Terra Indígena no contexto ambiental. El objeto de este...

  2. Soil-vegetation relationships and community structure in a "terra-firme"-white-sand vegetation gradient in Viruá National Park, northern Amazon, Brazil.

    Science.gov (United States)

    Mendonça, Bruno A F DE; Fernandes, Elpídio I; Schaefer, Carlos E G R; Mendonça, Júlia G F DE; Vasconcelos, Bruno N F

    2017-01-01

    Viruá National Park encompasses a vast and complex system of hydromorphic sandy soils covered largely by the white sand vegetation ("Campinarana") ecosystem. The purpose of this study was to investigate a vegetation gradient of "terra-firme"-white sand vegetation at the Viruá National Park. Nine plots representing three physiognomic units were installed for floristic and phytosociological surveys as well as to collect composite soil samples. The data were subjected to assessments of floristic diversity and similarity, phytosociological parameters and to statistical analyses, focused on principal components (PC) and canonical correspondence analysis (CCA). The vegetation of the Campinaranas types and Forest differed in biomass and species density. Ten species, endemic to Brazil, were particularly well-represented. PC and CCA indicated a clear distinction between the studied plots, based on measured soil variables, especially base sum and clay, which were the most differentiating properties between Campinarana and Forest; For the separation of the Campinarana types, the main distinguishing variable was organic matter content and cation exchange capacity. Higher similarity of Campinaranas was associated to a monodominant species and the lower similarity of Forest was related to the high occurrence of locally rare species.

  3. Uso da terra e perda de solo na Bacia Hidrográfica do Rio Colônia, Bahia

    OpenAIRE

    Silva,Vinícius de A.; Moreau,Mauricio S.; Moreau,Ana M. S. dos S.; Rego,Neylor A. C.

    2011-01-01

    Mudanças no uso da terra muitas vezes potencializam a erosão hídrica acarretando perda de água, solo, nutriente e matéria orgânica dos sistemas agrícolas, razão por que se estimou a perda de solo na bacia hidrográfica do rio Colônia, na Bahia, nos últimos vinte e sete anos, utilizando-se o software SWAT (Soil and Water Assessment Tool). Para tal, procedeu-se à digitalização de mapas temáticos, interpretação de fotografias aéreas de 1975; classificação supervisionada de imagens de satélites de...

  4. Núcleos coloniais e agricultura na Amazônia Imperial: uso e ocupação da terra

    Directory of Open Access Journals (Sweden)

    Francivaldo Alves Nunes

    2009-09-01

    Full Text Available Fomento a produção, reforma das técnicas agrícolas, intensificação dos sistemas produtivos e aumento da produtividade são algumas diretrizes recorrentes nos projetos de reformulação da agricultura desenvolvidos no Brasil no período Imperial. Na Amazônia a criação dos Núcleos Coloniais, na segunda metade do século XIX, constituem ações governamentais que buscam atender essas demandas. Analisar os elementos que estimulam a formação das Colônias Agrícolas e que nos ajuda a pensar a constituição de paisagens agrárias e os processos de apropriação da terra é a tarefa que nos ocupamos nesta comunicação; entendendo que, além de uma questão de consumo e produção, os Núcleos Coloniais na Amazônia se evidenciaram como espaços de experimentação de novas técnicas produtivas, melhor aproveitamento da terra, do exercício de domínio das matas, promoção do povoamento e disciplinarização dos sujeitos sociais envolvidos na construção deste espaço.

  5. Análise da estrutura de comunidades arbóreas de uma floresta amazônica de Terra Firme aplicada ao manejo florestal Analysis of the structure of tree communities of a amazonian forest applied to management

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    João Carlos Zenaide Oliveira Alves

    2008-12-01

    Full Text Available Este trabalho teve o objetivo de identificar e descrever a estrutura das comunidades arbóreas de uma floresta de terra firme sob regime de manejo na Amazônia Oriental, localizada no município de Almeirim, Pará, Brasil. O levantamento florístico foi realizado em 1.400,30 ha de uma Unidade de Produção Anual (UPA, do Plano de Manejo Florestal da empresa ORSA Florestal. Todos os indivíduos com DAP > 30 cm foram inventariados, registrando-se 77.834 árvores distribuídas em 57 famílias, 229 gêneros e 556 espécies. Oito comunidades foram identificadas por meio de uma analise de agrupamento, apresentando alta diversidade e equibilidade florística (H" médio = 4,25 e J" médio = 0,75. As comunidades apresentaram 138 espécies comuns, 119 espécies de ocorrência exclusiva e 377 espécies raras, representadas por apenas um indivíduo. As espécies que mais se destacaram foram: Dinizia excelsa, Vouacapoua americana, Goupia glabra, Mouriri brachyanthera, Parinari excelsa, Manilkara bidentada, Tachigalia mymecophyla e Licania micrantha. Algumas espécies de valor comercial apresentaram variações importantes na densidade, sugerindo risco de extinção em comunidades onde as espécies apresentam densidade muito baixa. Sugerimos que os planos de manejo considerem as várias comunidades ecológicas encontradas nas UPAs evitando assim variações significativas, causadas pela exploração e seus impactos, na composição florística e estrutura das comunidades existentes.To demonstrate the importance of the ecological concept for forest management, the object of this work was to identify and describe the structure of tree communities of a tropical forest under management in the Eastern Amazonia, located in Almeirim municipality, in the state of Pará, Brazil. The floristic survey was undertaken in a terra-firme tropical forest of 1,400.30 hectares. All individuals with DBH > 30 cm were inventoried, registering 77,834 trees distributed in 57

  6. Association of Oxelytrum cayennense (Silphidae, Coleoptera with Pig Carcasses (Sus scrofa, Suidae in Terra Firme Areas in Manaus, Amazonas, Brazil

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    Alexandre Ururahy-Rodrigues

    2010-07-01

    Resumo. Aspectos da colonização do silfídeo Oxelytrum cayennense (Sturm em carcaças de porcos do tamanho de um homem adulto na Reserva Florestal Adolpho Ducke são apresentados. Esta espécie colonizou as carcaças de porcos do estágio enfisematoso à esqueletização. Adultos foram observados eventualmente predando larvas de moscas a partir do segundo dia de intervalo pós-morte e suas larvas foram observadas a partir do quinto dia se alimentando em áreas esqueletizadas, provavelmente limpando os ossos dos tecidos moles remanescentes. O comportamento predatório dos adultos nas larvas de dípteros mais velhas podem impactar suas populações e complicar estimativas de intervalo pós-morte, uma vez que estas são freqüentemente usadas para esta estimativa. Além disso, adultos e larvas têm potencial uso como indicadores de intervalo pós-morte (IPM porque o adulto pode colonizar carcaças do segundo dia em diante e as larvas do quinto dia em diante.

  7. Notícia de romances, folhetos e folhas volantes na terra de Miranda

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    António Bárbolo Alves

    2008-11-01

    Full Text Available Au Portugal la « littérature de colportage » est appelée « literatura de cordel », « folhas volantes » ou « folhetos ». Dans la région Terra de Miranda, à l'extrême nord-est du Portugal, ces livres populaires ont circulé jusqu'à la moitié du XX siècle mais, malheureusement, ils ont presque totalement disparu. Dans cet article, guidés par la mémoire et le savoir d'une conteuse, on essaiera de retrouver quelques traces de ces « folhetos » : leurs caractéristiques techniques et poétiques, les sujets les plus importants et la langue (étant donné que dans cette région on parle aussi le mirandais.

  8. O PAPEL DA MULHER NA LUTA PELA TERRA. UMA QUESTÃO DE GÊNERO E/OU CLASSE?

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    Renata Cristiane Valenciano

    2011-11-01

    Full Text Available Pretendemos neste projeto de pesquisa, compreender a inserção e ação da mulher na luta pela terra, e priorizar a especificidade do embate existente entre as três dimensões que a mulher internaliza: enquanto provedora da força de trabalho e da família. Enquanto trabalhadora, no cotidiano da lavra, e na militância política. Mais especificamente põe-se a apreender as manifestações específicas que as mulheres estão apresentando, no raio organizativo do MST, através dos Coletivos de Gênero, das decisões e propostas de trabalho deliberadas, bem como seus desdobramentos, sendo que os Coletivos de Gênero ganham em abrangência e magnitude, tendo em vista privilegiar nas pautas de discussões, não somente a questão da exploração da mulher trabalhadora, os preconceitos, a violência, mas, sobretudo a emancipação de classe.

  9. Ecological aspects and molecular detection of Leishmania DNA Ross (Kinetoplastida: Trypanosomatidae) in phlebotomine sandflies (Diptera: Psychodidae) in terra firme and várzea environments in the Middle Solimões Region, Amazonas State, Brazil.

    Science.gov (United States)

    Pereira Júnior, Antonio Marques; Teles, Carolina Bioni Garcia; de Azevedo dos Santos, Ana Paula; de Souza Rodrigues, Moreno; Marialva, Eric Fabrício; Pessoa, Felipe Arley Costa; Medeiros, Jansen Fernandes

    2015-03-25

    Phlebotomine sand flies (Diptera: Psychodidae) are insects of medical importance due to the role that some species play in the transmission of leishmaniasis. This work aimed to study some ecological aspects among sand flies fauna inhabiting two different environments: the várzea (lowland Amazonian forest) and terra firme (upland Amazonian forest), both located in Tefé Municipality, Amazonas State, Braziland to detect Leishmania infection in those phlebotomine populations. Sand flies were collected using HP light traps. Collection took place over the course of six months: January, February, April, August, September, and October of 2013. To detect natural infection by Leishmania, DNA samples were extracted from female sand flies and submitted to Polymerase Chain Reaction (PCR) targeting the kDNA gene; Leishmania species were identified by PCR-RFLP targeting the hsp70 gene and genetic sequencing. In all, 5,716 individuals were collected, and 46 species were identified. Trichophoromyia ubiquitalis (3,330 - 58.26%) and Nyssomyia antunesi (661 - 11.26%) were the most abundant species. Species richness was greater in terra firme environments (42 species) than in the várzea environments (22 species), and forests ecotopes (43 species) were richer than peridomiciles (28 species). DNA of Leishmania was found in Th. ubiquitalis and Psychodopygus davisi, both of which inhabit the terra firme environment and sequencing analysis confirmed the presence of Leishmania (Viannia) lainsoni DNA in Th. ubiquitalis in Tefé Municipality. The high abundance of Th. ubiquitalis and Ps. davisi and detection of DNA of Leishmania sp. may indicate that both species could be putative vectors for American Cutaneous Leishmaniasis (ACL) in the terra firme environment of Tefé. The sand fly fauna found in várzea is rich and diverse, exhibiting several species, nevertheless the seasonal hydric stress during part of the year that could influence the local diversity, if compared with other studies

  10. Análise multivariada para estratificação volumétrica de uma floresta ombrófila densa de terra firme, Amazônia Oriental

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    Souza Agostinho Lopes de

    2006-01-01

    Full Text Available O objetivo deste estudo foi propor um método de estratificação em classes homogêneas de estoque volumétrico da floresta ombrófila densa de terra firme não explorada, empregando-se as técnicas de análises de agrupamento e discriminante. A pesquisa foi conduzida na Unidade de Manejo Florestal (UMF da Fazenda Tracajás (02º35'53"S e 47º47'10"W, pertencente à empresa Nova Era Agroflorestal, de propriedade do Grupo Rosa Madeireira, Município de Paragominas, Estado do Pará. Foi realizado um censo (100%, no qual se estimaram os volumes do fuste comercial das árvores com dap > 45 cm de 55 espécies comerciais em 49 talhões de exploração com 10 ha cada um. Reuniram-se os volumes estimados do fuste comercial das árvores individuais por talhão em ordem crescente. Elaborou-se uma matriz X de dados desses volumes, em que cada variável x ij representou o i-ésimo volume classificado no j-ésimo talhão. A matriz X foi utilizada como input nas análises de agrupamento e discriminante. A aplicação da análise de agrupamento, método de Ward, resultou em agrupamentos hierárquicos dos talhões em classes de estoques. A análise do dendrograma permitiu estratificar o povoamento em três grupos homogêneos e distintos, denominados classes I, II e III de estoques volumétricos. A análise discriminante, método de Fisher, indicou que 100% dos talhões foram corretamente classificados. A classificação multivariada da floresta em classes de estoques volumétricos mostrou-se um método eficiente na estratificação de áreas homogêneas de florestas ineqüiâneas, as quais podem se constituir em estratos, compartimentos, classes de sítio e unidades de produção anual.

  11. Arte e política no cinema de Glauber Rocha: uma análise do filme Deus e o Diabo na Terra do Sol

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    William Vaz de Oliveira

    2011-06-01

    Full Text Available This article discusses the relationship between art and politics in the kinematics of Glauber Rocha focusing on the work ―Deus e o Diabo na Terra do Sol‖ Creator of the Cinema Novo in Brazil, Glauber proposes a system that portrays the reality through national a quasi-socialist realism. Hunger, poverty and religion become constant in the works of the moviemaker, in addition to showing a Brazilian culture strongly marked by African customs. Emerged in the late '50s, early '60s, his Cinema Novo was characterized by the search for a language and a truly Brazilian cinematic technique, which should depict all our limitations and our entire underdevelopment, thus seeking to overcome them, trying to approximate the cinematic art of the public. His movie Deus e o Diabo na terra do Sol for instance, highlights this prospect of a purely national cinema.

  12. Caracterização química e mineralogia de solos antrópicos (terras pretas de índio na amazônia central

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    Francisco Weliton Rocha Silva

    2011-06-01

    Full Text Available Na Amazônia brasileira é comum a ocorrência de sítios arqueológicos. Frequentemente, observa-se que as ações humanas nesses sítios promoveram modificações significativas em muitas das características físicas, morfológicas e químicas dos solos desses ambientes, tornando-os muito diferentes dos solos adjacentes, especialmente nas áreas de terra firme da região. Embora muitos estudos tenham sido conduzidos visando compreender a magnitude dessas modificações e seus reflexos na gênese dos solos influenciados, muitas questões precisam ser mais bem compreendidas, sobretudo as relacionadas com a mineralogia desses solos. Este estudo teve como objetivo avaliar as características químicas, a composição mineralógica das frações argila e areia e o grau de pedogênese de cinco perfis de solos com horizonte A antrópico (Au, em ambientes de terra firme e várzea, localizados na Bacia Sedimentar do Amazonas, entre Coari e Manaus-AM. Amostras de solos foram coletadas, preparadas e submetidas às análises químicas de rotina e caracterizadas quanto aos teores de carbono oxidável e aos teores de Si, Fe, Al e P; adicionalmente, efetuou-se a identificação dos minerais presentes nas frações argila e areia, por meio de difratometria de raios X. Os resultados mostraram que as modificações promovidas pela atividade humana levaram à melhoria da fertilidade do solo, resultando em solos com acidez moderada, elevados teores de Ca2+ e de P disponíveis e baixos teores de Al3+ trocável. Esses resultados também revelaram teores muito elevados de P-total nos horizontes antrópicos, variando entre 1.630 e 8.840 mg kg-1 de P2O5. A mineralogia da fração argila dos solos antrópicos de terra firme revelou dominância de caulinita, além da ocorrência de gibbsita, de goethita e de óxidos de titânio (anatásio. O perfil de várzea, além de caulinita e goethita, apresentou também minerais do tipo 2:1 na fração argila. A mineralogia da

  13. Aplicação de índice comparativo na avaliação do risco de degradação das terras

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    S. B. L. Ranieri

    1998-12-01

    Full Text Available A determinação do risco de degradação das terras em uma microbacia hidrográfica constitui importante subsídio para o planejamento agrícola e ambiental. A tendência atual é que as informações necessárias para a avaliação das terras sejam compatíveis com técnicas de geoprocessamento e tratadas de forma menos subjetiva. Todavia, critérios ou parâmetros que avaliem quantitativamente o risco de degradação das terras e que sejam compatíveis com a escala de microbacia hidrográfica e aplicáveis por meio de Sistemas de Informação Geográfica (SIGs ainda precisam ser mais bem definidos. O objetivo deste trabalho, realizado no segundo semestre de 1996, foi elaborar um método de avaliação comparativa do risco de degradação das terras na bacia hidrográfica dos Marins (Piracicaba, SP, sob diferentes cenários de uso, utilizando SIG. Os mapas de risco de degradação foram gerados com base em matrizes de decisão para os seguintes cenários de uso: (a sem cobertura vegetal; (b uso atual da terra; (c uso único; (d uso redistribuído; (e uso planejado. Os resultados foram comparados por um índice denominado "Índice Ponderado de Risco de Degradação (IP D". Por meio desse índice foi possível comparar quantitativamente o risco de degradação para os cenários de uso propostos. Os resultados mostraram que a tentativa de alterar apenas a distribuição espacial dos usos da terra não foi suficiente para diminuir o risco de degradação final da área, caracterizando, assim, a superutilização das terras da microbacia. Para diminuir os impactos causados por essa superutilização, faz-se necessária a definição de critérios de restrição de ocupação que conciliem áreas de maior suscetibilidade à erosão com usos que ofereçam maior proteção ao solo, levando à diminuição da área ocupada com culturas anuais e semiperenes.

  14. Usos da terra e Áreas de Preservação Permanente (APP na Bacia do Rio da Prata, Castelo-ES

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    Luciano Melo Coutinho

    Full Text Available Este trabalho avaliou o uso da terra e identificou Áreas de Preservação Permanente (APPs na Bacia Hidrográfica do Rio da Prata (BRP, município de Castelo-ES, via técnicas de geoprocessamento. A BRP é marcada pela supressão de vegetação nativa, para expansão da fronteira agropecuária. As classes de uso da terra foram vetorizadas por fotointerpretação de aerofotos ortorretificadas. A delimitação das APPs foi realizada a partir de dados de hidrografia e altimetria de cartas topográficas digitais, com respeito às determinações do Código Florestal Brasileiro. A principal forma de uso da terra é a agropecuária (60,84% da área total, composta pela agricultura (30,21% e pela pecuária (30,63%, sendo que a área preservada com floresta nativa é de 36,85%. As APPs representam 55,48% da área total e sua maior parte (50,40% é utilizada para fins socioeconômicos, enquanto a cobertura florestal representa apenas 49,60%.

  15. GEOPROCESSAMENTO APLICADO A ANÁLISE INTEGRADA DO USO DA TERRA E QUALIDADE DE ÁGUA NA MICROBACIA DO RIO PRETO – RONDÔNIA

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    JOIADA MOREIRA DA SILVA

    2010-08-01

    Full Text Available O presente estudo teve o objetivo de avaliar as mudanças no uso da terra e seus efeitos na qualidade da água na microbacia do rio Preto - RO. Esta foi escolhida por ser uma área de projetos de assentamento para colonos, o que viabilizou o processo de ocupação do estado de Rondônia. A metodologia foi dividida em três etapas: preparação da base cartográfica e processamento digital de imagens de satélite, atividade de campo com aplicação de formulário sobre o uso da terra e coleta de amostras de água, e integração das informações através de Sistema de Informação Geográfica - SIG. Na área sobre influência da agricultura cafeeira a concentração de OD foi 1,61 mg/l, a temperatura de 27,5º C, pH entre 4,4 e 4,7 e média de condutividade 15,8 S25/cm. Foi constatado mudança no uso da terra, que está relacionada ao desenvolvimento econômico recente e histórico de colonização. Como consequência trechos de rios apresentam padrão de qualidade de água inferior ao recomendado pela legislação CONAMA Nº 357/2005.

  16. Análise espaço-temporal da cobertura vegetal e uso da terra na Interbacia do Rio Paraguai Médio-MT, Brasil

    OpenAIRE

    Pessoa,Seyla Poliana Miranda; Galvanin,Edinéia Aparecida dos Santos; Kreitlow,Jesã Pereira; Neves,Sandra Mara Alves da Silva; Nunes,Josué Ribeiro da Silva; Zago,Bruno Wagner

    2013-01-01

    O objetivo deste estudo foi realizar uma análise espaço-temporal da cobertura vegetal e do uso da terra na Interbacia do Rio Paraguai Médio-MT, Brasil, pelo geoprocessamento de imagens Landsat TM, dos anos 1991, 2001 e 2011. As imagens foram georreferenciadas, classificadas e processadas no software Spring e as classes temáticas, quantificadas e editadas no software ArcGis. Foram mapeadas sete classes, sendo as mais expressivas a vegetação nativa, a pastagem e a cana-de-açúcar. Os resultados ...

  17. Técnicas de geoprocessamento e sensoriamento remoto aplicadas na identificação de conflitos do uso da terra em Seropédica-RJ

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    Kaio Allan Cruz Gasparini

    Full Text Available Este trabalho avaliou o uso e a cobertura da terra, e comparou os dados obtidos com aqueles das Áreas de Preservação Permanente (APPs, para identificar conflitos do uso da terra no município de Seropédica-RJ. Utilizaram-se duas cenas do satélite CBERS2 e a classificação supervisionada com o método da mínima distância. As APPs foram delimitadas com o auxílio de geotecnologias, baseando-se na legislação ambiental (Lei n.º 12.651/2012 (Brasil, 2012. Utilizou-se no mapeamento das APPs um Modelo Digital de Elevação (1:25.000 e, para a rede de drenagem, cartas planialtimétricas (1:10.000. Identificaram-se 40,02 km² de APPs, o que correspondeu a 15,01% do município. A APP do rio Guandu apresentou maior área (7,23% e lagos urbanos, a menor (0,04%. O município não apresentou APPs de declividade (<40° e de topo de morro (declividade < 25° com altitude < 100. Em relação aos conflitos do uso da terra, o solo exposto correspondeu a 58,1%, pastagem a 21,7%, areia/mineração a 7,8% e área urbana a 3,9%. Os resultados obtidos indicam eficiência dessas geotecnologias na gestão municipal.

  18. Análise espaço-temporal da cobertura vegetal e uso da terra na Interbacia do Rio Paraguai Médio-MT, Brasil

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    Seyla Poliana Miranda Pessoa

    2013-02-01

    Full Text Available O objetivo deste estudo foi realizar uma análise espaço-temporal da cobertura vegetal e do uso da terra na Interbacia do Rio Paraguai Médio-MT, Brasil, pelo geoprocessamento de imagens Landsat TM, dos anos 1991, 2001 e 2011. As imagens foram georreferenciadas, classificadas e processadas no software Spring e as classes temáticas, quantificadas e editadas no software ArcGis. Foram mapeadas sete classes, sendo as mais expressivas a vegetação nativa, a pastagem e a cana-de-açúcar. Os resultados indicaram alterações em todas as classes durante os últimos 20 anos, com a diminuição de 22,89% da vegetação nativa, relacionada com o aumento de 58,42% da pastagem e 490,26% de monocultura de cana-de-açúcar. Foi verificado o conflito de uso da terra, principalmente em áreas de mata ciliar, fato que pode influenciar negativamente na conservação da interbacia e, consequentemente, do pantanal mato-grossense.

  19. PRÁTICAS, SABERES E MEMÓRIA GUARANI NA CONQUISTA DA TERRA: UMA EXPERIÊNCIA DE CONFLITO NO LITORAL CATARINENSE

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    CLOVIS ANTONIO BRIGHENTI

    2009-12-01

    Full Text Available Starting from the analysis of the process of demarcation of the Earth Indigenous Hill of the Horses, located in the municipal district of Thatched hut, state of Santa Catarina, we will look for to understand the relationship of the Brazilian State with that indigenous population. In spite of the land still not to be in the indigenous community's definitive ownership, for legal effects she is Declared. Along the process, that he/she had beginning in 1993, the indigenous community's participation has been decisive in the conquest of new stages and in the definition of the current limits. Interferences of several orders have been generating tensions and disturbances in the community, besides exposing the group and the demarcation process to the national public opinion, when a magazine of national circulation made reference to the group how being foreign. It is in that context that we will look for to analyze the process of conquest of the earth and conquest of the citizenship.RESUMO: A partir da análise do processo de demarcação da Terra Indígena Morro dos Cavalos, localizada no município de Palhoça, estado de Santa Catarina, buscaremos compreender o relacionamento do Estado brasileiro com essa população indígena. Apesar da Comunidade Indígena ainda não estar na posse definitiva da terra, para efeitos legais ela está Declarada. Ao longo do processo, que teve início em 1993, a participação da Comunidade Indígena tem sido decisiva na conquista de novas etapas e na definição dos limites atuais.Interferências de várias ordens têm gerado tensões e abalos na comunidade, inclusive expondo o grupo e o processo de demarcação à opinião pública nacional, quando uma revista de circulação nacional fazia referência ao grupo como sendo estrangeiros. É nesse contexto que buscaremos analisar o processo de conquista da terra e conquista da cidadania.

  20. Desenvolvimento do açaizeiro de terra firme, cultivar pará, sob atenuação da radiação solar em fase de viveiro Nursery development of non-flooded açai palm (Euterpe Oleraceae, Mart, Pará cultivar Under attenuation of solar radiation

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    Elenice de Cássia Conforto

    2009-01-01

    Full Text Available Para avaliar, na Região Noroeste do Estado de São Paulo, o desenvolvimento em fase de viveiro do açaizeiro da cultivar de terra firme Pará, foram monitoradas as respostas do crescimento e da taxa fotossintética, quando submetido a tratamentos de atenuação de 16% e 50% da radiação solar global, até a idade de 8 meses. A altura da planta e o diâmetro do caule, assim como a acumulação de matéria seca, não foram influenciados pelos tratamentos (pIn the northwest region of São Paulo State, Brazil was investigated the outcomes of the plant growth and photosynthetic rate of a açai palm cultivar Para (PA, under attenuation of total radiation in 16% and 50% until the age of 8 months. The plant height, the stem diameter and the dry matter accumulation were not influenced by the treatments (p<0.05. However, plants growing under lower attenuation of irradiance started to show significant lower values of leaf area in 5 months; and rate of net photosynthesis and irradiance saturation after 6 months (p<0.05. These results indicated that the seedlings has a potential to adapt in this region, since maintained under attenuation of 50% of irradiance.

  1. Estratificação vertical da fauna de flebótomos (Diptera, Psychodidae numa floresta primária de terra firme da Amazônia Central, Estado do Amazonas, Brasil

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    Dias-Lima Artur

    2002-01-01

    Full Text Available Estudos sobre a estratificação vertical da fauna de flebótomos, foram realizados numa floresta primária de terra firme, da Estação Experimental de Silvicultura Tropical-Instituto Nacional de Pesquisas da Amazônia, durante os meses de outubro de 1998 a março de 1999. Utilizando-se armadilhas luminosas CDC, colocadas a 1, 10 e 20 metros de altura do solo, foram coletados 2.859 flebótomos, pertencentes a dois gêneros, Lutzomyia (99,93 % e Brumtomyia (0,07%, abrangendo 38 espécies. Dentro do gênero Lutzomyia, os sub-gêneros mais representados foram Nyssomyia, com 43,4%, e Psychodopygus com 22,8%. As espécies Lutzomyia umbratilis, L. anduzei, L. rorotaensis, L. trichopyga e L. olmeca nociva, foram dominantes a 1m de altura, enquanto que L. davisi, L. infraspinosa, L. umbratilis, L. trichopyga e L. anduzei, foram dominantes a 10m. As espécies L. anduzei, L. tuberculata, L. dendrophyla e L. dreisbachi foram mais abundantes a 20m. L. umbratilis, presente nos três níveis de estratificação vertical, é dotada de alta importância epidemiológica como vetora da Leishmania (Viannia guyanensis.

  2. CRESCIMENTO DE ESPÉCIES ARBÓREAS EM UMA FLORESTA NATURAL DE TERRA FIRME APÓS A COLHEITA DE MADEIRA E TRATAMENTOS SILVICULTURAIS, NO MUNICÍPIO DE PARAGOMINAS, PARÁ, BRASIL

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    Deivison Venicio Souza

    2015-01-01

    Full Text Available This paper deals with the effects of silvicultural treatments on growth rates of a terra firme natural forest after reduced impact logging (RIL. The study was carried out in the Rio Capim Forest Management Unit, which belongs to Cikel Brasil Verde Madeiras Ltda., located in the municipality of Paragominas, PA. The experimental area comprised 500 ha, where five treatments (100 ha each each with four replications (25 ha each were established. The replications were randomly distributed in the 500 ha sample area. The following treatments were applied: T1 – RIL + classical liberation thinning (girdling of competing trees and climber cutting; T2 – RIL + modified liberation thinning (girdling of competing trees and climber cutting; T3 – RIL + climber cutting; T6 - only RIL; T7 - unlogged forest (control. In the four years of monitoring forest, after logging and silvicultural treatments, T2 and T3 had the highest diameter growth rates. But the four-year period is not enough to suggest the best treatment, based on diameter growth rate, in response to girdling trees and climber cutting. At species level, growth rate varied between treatments and within treatments. In general, the lower diameter growth rates were observed in the unlogged forest.

  3. GEOTECNOLOGIA APLICADA NA OBTENÇÃO DAS SUBCLASSES DE CAPACIDADE DE USO DAS TERRAS DE UMA MICROBACIA, VISANDO A CONSERVAÇÃO DOS RECURSOS NATURAIS

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    S. Campos

    2016-09-01

    Full Text Available A exploração da terra para produzir alimentos para o sustento do homem quase sempre foi de forma desordenada e sem planejamento.  A consequência dessa exploração predatória foi o empobrecimento do solo por erosão intensa, assoreamento de cursos d’água, desertificação, entre outros. O trabalho objetivou a utilização de geotecnologias na elaboração dos mapas de classes de declive, de solos e da capacidade de uso do solo numa microbacia, de forma a contribuir no processo de gestão ambiental e na tomada de decisões por parte dos Administradores Públicos.  A microbacia do Ribeirão das Agulhas, Botucatu (SP apresenta uma área de 1.429,28ha e está localizada entre os paralelos 22o 47' 05" a 22o 05' 55" de latitude S e 48o 28' 10” a 48o 30' 04" de longitude W Gr. Os resultados permitiram inferir que a subclasse mais significativa foi a IIIs,e (44,50% e o relevo ondulado (57,59%. As subclasses de capacidade de uso IIIs, IIIs,e, IVs, IVs,e e IVe ocuparam 89,36% da área, mostrando o grande potencial de uso para culturas anuais, perenes, pastagens e reflorestamentos. O Sistema de Informações Geográficas (SIG mostrou-se uma excelente ferramenta para determinação da capacidade de uso da terra, demonstrando que a utilização do geoprocessamento facilita e dá maior rapidez no cruzamento dos dados digitais, permitindo seu armazenamento, que poderão ser utilizados para outras análises em futuros planejamentos geoambientais. 

  4. À minha terra: leitura do sentimento nativista na poesia de Maia Ferreira e Gonçalves Dias

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    Júlio César Vieira

    2015-12-01

    Full Text Available Neste trabalho, analisaremos as configurações do nativismo em dois poetas de língua portuguesa: o brasileiro Antônio Gonçalves Dias (1823-1864 e o angolano José da Silva Maia Ferreira (1827-1881. Contemporâneos entre si, ambos os poetas escrevem sob a égide do Romantismo e apresentam os temas comuns a este movimento literário. A leitura que propomos buscará compreender as aproximações e os distanciamentos possíveis da produção destes poetas com relação ao tratamento dado ao sentimento de nacionalidade, o qual se apresenta, principalmente em Canção do exílio e À minha terra, de Gonçalves Dias e Maia Ferreira, respectivamente.

  5. Comportamento agronômico de cultivares de arroz de terras altas na Região Sul do Estado do Tocantins

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    Leila Paula Tonello

    2016-08-01

    Full Text Available A avaliação comportamental de cultivares adaptados às variações edafoclimáticas é essencial para a recomendação de material genético ao produtor, visando maior rentabilidade e, principalmente, almejando o crescimento regional. Objetivou-se com este trabalho avaliar o comportamento agronômico de cultivares de arroz de terras altas em diferentes safras sob solo de vegetação de Cerrado do sul do Estado do Tocantins. Os experimentos foram conduzidos nos anos agrícolas de 2008/2009, 2009/2010, 2010/2011, 2011/2012 e 2012/2013 com as cultivares BRS-Bonança, BRS-Primavera e BRSMG-Conai. O delineamento experimental foi de blocos casualisados com quatro repetições, num esquema fatorial 3 x 5, constituído por três genótipos e cinco anos. As características avaliadas foram número de dias para florescimento, altura da planta, massa de cem grãos e produtividade de grãos. As maiores produtividades de grãos de arroz de terras altas foram alcançadas na safra 2012/13, que apresentou maior volume e melhor distribuição da precipitação pluvial; O tempo de florescimento foi menor e maior para as cultivares BRSMG-Conai e BRS-Bonança respectivamente; A cultivar BRS-Primavera apresentou as maiores produtividades de grãos nos diferentes anos sob solo de vegetação de Cerrado no sul do Estado do Tocantins.

  6. EFEITO DA SILVICULTURA PÓS-COLHEITA NA POPULAÇÃO DE Lecythis lurida (Miers Mori EM UMA FLORESTA DE TERRA FIRME NA AMAZÔNIA BRASILEIRA

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    Marisol Taffarel

    2014-01-01

    Full Text Available The growth rate of trees dbh > 35cm of a Lecythis lurida (Miers Mori (jarana population was evaluated in a 700ha area of natural forest after logging and applying silvicultural treatments in the municipality of Paragominas, in Pará state. Seven treatments were established: in three of them climbers were cut and competitor trees were girdled after logging; in two of them only climber cutting was performed; in oneof them the forest was logged; and one of them remained with no silvicultural intervention. The yearly diameter increment of the species was calculated from 2005 to 2009, considering also the crown shape of trees and the intensity of light on tree crown. Growth rate of Lecythis lurida was higher in T3 (only climber cutting’differing statistically from the T7 (unlogged forest. In the treatments T1, T2 and T3 where climber were cut and competitors-trees were girdled, diameter increment of the species was similar to the forest that was logged but not treated, although the trees with good shape and complete crowns receiving full light had high increment in those treatments. Therefore, one can infer that five years were not enough to conclude on the effects of the silvicultural treatments over the species growth rate.

  7. Changes in population and land use over time in the Ecuadorian Amazon Mudanças populacionais e de uso da terra na Amazônia Ecuatoriana

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    Richard E. Bilsborrow

    2004-12-01

    e maior cidade da Amazônia Equatoriana, empresas petrolíferas iniciaram a abertura de estradas e construção de oleodutos visando a extração, transporte através dos Andes e exportação de petróleo. A exploração petrolífera na Amazônia Equatoriana tem respondido, nos últimos trinta anos, por cerca da metade dos rendimentos com exportação e na arrecadação governamental. As estradas abertas na Amazônia facilitaram a imigração maciça e espontânea de famílias dos Andes equatorianos, uma região tradicionalmente caracterizada pela presença de minifúndios e pobreza rural. Este artigo discute a metodologia de coleta de dados e sumariza os principais resultados de pesquisas sobre esses imigrantes na Amazônia Equatoriana, especificamente em termos de mudanças nas características populacionais, uso e propriedade da terra, tecnologia, trabalho e padrão de vida, assim como relações entre características populacionais e uso da terra ao longo dos anos 90. O elevado crescimento populacional devido ao crescimento natural (alta fecundidade e contínua imigração tem engendrado a subdivisão e fragmentação de lotes rurais desde 1990, em contraste ao processo de concentração de terra em diversas partes da Amazônia brasileira.

  8. GEOPROCESSAMENTO APLICADO AO DIAGNÓSTICO DE USO E COBERTURA DA TERRA NA MICROBACIA HIDROGRÁFICA DO CÓRREGO HERMES - RONDÔNIA

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    Joiada Moreira da Silva Linhares

    2014-01-01

    Full Text Available A microbacia hidrográfica do córrego Hermes, inserida no cone-sul de Rondônia, vem enfrentando severas implicações ambientais relacionadas às mudanças do uso da terra, tais como a conversão da floresta em áreas de lavouras e pastagens para criação extensiva de gado. Tais alterações são devidas, em um primeiro momento, à consolidação de um Programa de Integração Nacional – PIN, através da implantação do projeto de Colonização Paulo Assis Ribeiro, e mais recentemente vem sendo ampliadas por uma nova dinâmica econômica ligada ao mercado de exportação de alta rentabilidade, a agroindústria. O objetivo deste estudo foi avaliar as causas e consequências das mudanças do uso e cobertura da terra na microbacia hidrográfica do córrego Hermes, através da aplicação de método espacial e não espacial de geoprocessamento. Os resultados analíticos de métricas de paisagem indicam que 82,76% da área correspondem a uma matriz de pastagem de gramíneas, e que 14,64% reportam-se a cobertura vegetal nativa seccionada em 18 fragmentos pouco inter-relacionados, havendo ainda 1,94% e 0,66% relativos à agricultura (lavoura perene e anual e áreas edificadas, respectivamente. Depreende-se, por fim, que o intenso desflorestamento, com fins de aumento de áreas destinadas às atividades de agropecuária, é a principal causa da devastação da floresta de transição na MBCH-RO, emanando desta outras formas de degradação ambiental, como erosão, assoreamento dos cursos de água perenes, aumento da carga de partículas em suspensão e dissolvidas, e, por fim, modificação dos ciclos hidrológicos e de carbono em escalas local, regional e global.

  9. A terra e seus vários sentidos: por uma sociologia e etnologia dos moradores de fazenda na África do Sul contemporânea

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    Marcelo C. Rosa

    2012-08-01

    Full Text Available Este texto é resultado de pesquisas realizadas com o Landless People's Movement, na África do Sul, e tem como tema a relação histórica estabelecida entre os trabalhadores rurais moradores de fazendas de brancos (denominados farm dwellers, em inglês, ou abahlali basimapulazini, em Zulu e as terras em que vivem. A partir de dados bibliográficos, fontes documentais e pesquisa de campo, defendemos a hipótese de que essas pessoas compõem uma categoria fluida, do ponto de vista das políticas de restituição, de reforma e de direito à terra. Tratar-se-ia de uma categoria em que estariam entremeadas as consequências do apartheid, as transformações na agricultura, as religiões e as leis costumeiras. Trama e fluidez que constituem um problema para antropólogos e sociólogos que se aventuram a lidar com a questão, assim como para os próprios movimentos e ONGs que a representam. Tanto do ângulo das políticas, como dos textos de ciências sociais, esses trabalhadores encarnariam os dilemas de não serem vistos nem como suficientemente modernos, tampouco como tradicionais a ponto de garantirem status teórico no escaninho dos estudos sobre o campesinato e trabalhadores rurais ou no da Etnologia africana clássicaThis paper presents the results of a composition of literature review and field research on the Landless People's Movement struggles in South Africa aiming to explore the historical relation between the farm dwellers and the land they live's claim. Drawing from fieldwork notes, archives and literature debates, I state that the fluidity of this category, that embraces consequences of the apartheid, transformations in the agricultural sector, religion and customary laws affects their relations with the State, social movements and NGOs. This complexity also becomes problematic due to the fact that they cannot be easily described by the traditional sociological narratives designed for farm workers, peasants and neither with the one

  10. AVALIAÇÃO TEMPORAL DO USO DA TERRA NA SUB-BACIA HIDROGRÁFICA DO ARROIO CADENA E PASSO DAS TROPAS

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    Mônica Brucker

    1993-08-01

    Full Text Available O presente trabalho teve como objetivos classificar, mapear e quantificar, a nível de reconhecimento, o uso da terra na Sub-Bacia Hidrográfica do Arroio Cadena e Passo das Tropas - município de Santa Maria, RS. Utilizou-se aerofotogramas pancromáticos obtidos em 1964 e 1975, com escalas aproximadas de 1:60.000 e 1:110.000 respectivamente, e composições coloridas do LANDSAT 5 - TM de 1986 e 1987, na escala aproximada de 1:110.000. Quantificou-se as áreas utilizando as técnicas da amostragem sistemática por grade de pontos. Observou-se que a Classe Pastagem predominou sobre as outras nas três épocas estudadas, ocupando 65,2% da área em 1964, 68,1% em 1975 e 67,4% em 1986/87. A Classe Florestas apresentou um decréscimo de 30,8% e a Classe Agricultura, de 17,6% no período de 1964 a 1986/87; a Classe Construções aumentou sua ocupação em 64,6% neste mesmo período. A técnica de amostragem sistemática por grade de pontos utilizada na quantificação das áreas superestimou a área da sub-classe rede de drenagem em 354,0% e da sub-classe rede viária em 287,6% (média das três épocas de levantamento.

  11. Pedogeoquímica em perfis de alteração na região de Lavras (MG. II - elementos menores e elementos das terras raras

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    M. P. C. Lacerda

    2002-03-01

    Full Text Available Na região de Lavras, MG, analisou-se o comportamento geoquímico dos elementos menores (EM e elementos das terras raras (ETR ao longo da evolução pedogenética em perfis de solos com horizonteB textural, individualizados a partir de rochas de composição ácida, intermediária e básica do substrato. Nos perfis, realizaram-se análises químicas de EM e ETR, avaliando perdas e ganhos pelo balanço químico de massa. O estudo possibilitou o grupamento dos EM em duas classes: (amobilidade moderada a alta: perda da rocha fresca até o sólum; (bmobilidade moderada: enriquecimento relativo e eventualmente real no sólum. O comportamento dos ETR revelou grande mobilidade ao longo da evolução dos perfis de alteração.

  12. Pseudoescorpiões (Arachnida da vegetação de sub-bosque da floresta primária tropical de terra firme (Coari, Amazonas, Brasil Pseudoscorpions (Aracnida in the undergrowth vegetetion in dryland forest in Coari, Amazonas, Brazil

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    Nair Otaviano Aguiar

    2003-01-01

    Full Text Available Foi encontrada uma riqueza de 15 espécies de pseudoscorpiões, de 12 gêneros e 5 famílias (Chthoniidae, Geogarypidae, Olpiidae, Atemnidae e Chernetidae, habitando diferentes plantas da vegetação do sub-bosque, em floresta primária de terra firme, no alto rio Urucu, Coari, Amazonas, no período de 1991 a 1996. As plantas foram examinadas pelo método de "bateção". Apolpium aff. vastum foi à espécie mais freqüente e abundante sobre as plantas. Dentre os tipos de plantas avaliados, as maiores diversidades de espécies de pseudoscorpiões foram registradas nas pequenas palmeiras, tanto com fronde junto ao chão, como elevada acima do chão. A análise da composição das espécies que ocorreram sobre os diferentes tipos de plantas avaliadas foi realizada pelo "modo-Q", tendo como base a matriz de coeficientes de similaridade de "Jaccard", o que demonstrou maior similaridade entre a fauna das palmeiras e outras plantas que acumulam detritos acima do chão, entre as bromélias e entre aráceas de chão e outras plantas que acumulam detritos junto ao chão.A richness of 15 pseudoscorpion species, 12 genera belonging to 5 families (Chthoniidae, Geogarypidae, Olpiidae, Atemnidae and Chernetidae were found in the undergrowth vegetation of the dryland forest, at the upper Urucu river, Coari, Amazonas, from 1991 to 1996, and was collected by the "beating tray" method. Apolpium aff. vastum was the most frequent and abundant species in the undergrowth forest vegetation. Among the various types of plants examined, the majority of the pseudoscorpions occurred in small palms (in the ground-trenched palms as much as the erect stemmed palms. To appraise the specie's composition of these arachnids found in the different kinds of plants, the Q-mode analysis was used based on Jaccard's similarity coefficients. The coefficients that showed the greatest similarity were between the fauna of the palms and other plants that accumulate litter on top of the

  13. Terra Sirenum

    Science.gov (United States)

    2002-01-01

    [figure removed for brevity, see original site] This image is from a region called Terra Sirenum in Mars' southern hemisphere. This region was named in 1958 for the Sea of the Sirens from Greek Mythology. This is not a sea, however, but a relatively dusty, high albedo region of Mars. There are numerous dust devil tracks that are apparent in the center- left of the image. The dust devils act like vacuum cleaners and lift dust off of the surface leaving a less dusty and relatively lower albedo surface behind. Dust devils are very common on Mars and are thought to be the primary mechanism for constantly lifting the dust into the atmosphere. Dust is constantly present in the Martian atmosphere in greater abundances than typically seen on Earth. The Martian dust is one of the main factors that affect the present Martian climate and clearly displays the relationship between Mars' geology and atmosphere.Note: this THEMIS visual image has not been radiometrically nor geometrically calibrated for this preliminary release. An empirical correction has been performed to remove instrumental effects. A linear shift has been applied in the cross-track and down-track direction to approximate spacecraft and planetary motion. Fully calibrated and geometrically projected images will be released through the Planetary Data System in accordance with Project policies at a later time.NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA's Office of Space Science, Washington, D.C. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. The THEMIS investigation is led by Dr. Philip Christensen at Arizona State University. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of

  14. Aplicação de reguladores vegetais na cultura de arroz de terras altas = Effect of vegetal regulators on sprinkler-irrigated highland rice

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    Rita de Cássia Félix Alvarez

    2007-04-01

    Full Text Available O objetivo deste trabalho foi identificar o regulador vegetal e dose mais adequada visando à redução da altura da planta e acamamento e a interferência destes nos componentes da produção e produtividade de grãos de arroz de terras altas irrigado por aspersão. Os tratamentos foram constituídos de três reguladores vegetais e quatro doses. Ocloreto de mepiquat (PIX e o etil-trinexapac (Moddus foram aplicados nas doses 0, 2000, 4000 e 8000 mg L-1 e o paclobutrazol (Paclobutrazol ou Cultar foi aplicado nas doses 0, 1000, 2000 e 4000 mg L-1, do produto comercial. Os reguladores vegetais foram aplicadosno estádio de perfilhamento, utilizando o cultivar Primavera. Constatou-se que a aplicação do etil-trinexapac reduziu a altura da planta e influenciou negativamente os componentes da produção e produtividade de grãos. Não foi identificada uma dose “ideal” que reduzisse a altura da planta e proporcionasse aumento na produtividade de grãos.The present work aims to identify the vegetal regulators and optimum dose to reduce plant height and layering and their influence on production and productivity components in sprinkler-irrigated highland rice grains. Treatments consisted of three vegetal regulators and four doses. Mepiquat chloride (Pix and ethyl-trinexapac (Moddus were applied at doses of 0, 2000, 4000 and 8000 mg L-1, while paclobutrazol (Paclobutrazol was applied at 0, 1000,2000 and 4000 mg L-1, commercial product. The vegetal regulators were applied during the profiling state, utilizing Primavera cultivar. Results showed that ethyl-trinexapac reduced the plant height and influenced negatively grain production and productivity components.No optimum dose was identified to reduce plant height and increase grain productivity.

  15. Os direitos da mulher à terra e os movimentos sociais rurais na reforma agrária brasileira Women's land rights and rural social movements in the Brazilian agrarian reform

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    Carmen Diana Deere

    2004-04-01

    Full Text Available Este artigo examina a evolução da reivindicação dos direitos da mulher à terra na reforma agrária brasileira sob o prisma dos três principais movimentos sociais rurais: o Movimento dos Trabalhadores Rurais Sem Terra (MST, os sindicatos rurais e o movimento autônomo de mulheres rurais. O mérito maior por levantar a questão dos direitos da mulher à terra é das mulheres dentro dos sindicatos rurais. Os direitos formais das mulheres à terra foram conseguidos na reforma constitucional de 1988, e em grande medida isso foi um subproduto do esforço para acabar com a discriminação contra as mulheres em todos as suas dimensões. A conquista das igualdades formais, contudo, não levou a um aumento na parcela de mulheres beneficiárias da reforma, a qual permaneceu baixa até a metade da década de 1990. Isso aconteceu principalmente porque garantir na prática os direitos da mulher à terra não estava entre as prioridades dos movimentos sociais rurais. Além disso, o principal movimento social a determinar o passo da reforma agrária, o (MST, considerava classe e gênero questões incompatíveis. Próximo ao final da década de 1990, entretanto, havia uma consciência crescente de que deixar de reconhecer os direitos da mulher à terra era prejudicial ao desenvolvimento e à consolidação dos assentamentos da reforma agrária e, portanto, para o movimento. O crescente consenso, entre todos os movimentos sociais rurais, sobre a importância em assegurar o direito da mulher à terra, junto com um lobby efetivo, encorajou o Estado em 2001 a adotar mecanismos específicos para a inclusão de mulheres na reforma agrária.This article examines the evolution of the demand for women's land rights in the Brazilian agrarian reform through the prism of the three main rural social movements: the landless movement, the rural unions and the autonomous rural women's movement. Most of the credit for raising the issue of women's land rights rests with

  16. Ciclo de corte econômico ótimo em floresta ombrófila densa de terra firme sob manelo florestal sustentável, Amazônia Oriental Optimum economic cutting cycle in a terra firme dense ombrophylous forest under sustained management, Eastern Amazon

    Directory of Open Access Journals (Sweden)

    Deoclides Ricardo de Souza

    2004-10-01

    Full Text Available Este estudo teve como objetivo estimar o ciclo de corte e o estoque de colheita ótimo, no qual a taxa anual do crescimento da floresta se iguala à taxa anual de juros oferecida pelo mercado de capital. A pesquisa foi conduzida na Unidade de Manejo Florestal (UMF da Fazenda Tracajás (02º35'53"S e 47º47'10"W, empresa Nova Era Agroflorestal, município de Paragominas, Estado do Pará, Brasil. A unidade de manejo florestal foi estratificada em classes I, II e III de estoques volumétricos, empregando-se análises de agrupamento e discriminante. Em cada classe de estoque foram instaladas aleatoriamente cinco parcelas de 100 x 100 m (1,0 ha, para medição dos indivíduos com dap > 15 cm. No centro de cada parcela foi instalada uma subparcela de 10 x 100 m (0,1 ha, para medição dos indivíduos com 5 cm The objective of the present study was to estimate the optimum cutting cycle and harvest stock, where forest annual growing rate equals the annual interest rate offered by the financial market. The research was carried out at the Forest Management Unit (FMU in Tracajás Farm (02º35'53" S and 47º47'10"W, owned by Nova Era Agroflorestal, in Paragominas, Pará, Brazil. The forest was stratified in three homogeneous areas denominated classes of volumetric stock I, II and III, through multivariate analysis (cluster and discriminant analysis. In each of the stock classes, five 100 x 100 m plots (1 ha were randomly set up to measure individuals with dbh > 15cm. In the center of each 100 x 100 m plot, a 10 x 100 m subplot (0,1 ha was installed to measure individuals with 5cm < dbh < 15 cm. In stock class I, the optimum economic cycles were 13, 12, and 8 years; in stock class II, 18, 12 and 12 years; in stock class III, 22, 12 and 14 years, considering an average annual increment of 3,0 m³/ha/year. Higher remuneration rates for the invested capital were verified for the shorter cutting cycles, regardless of the commercial harvest. Higher annual volume

  17. TIPIFICAÇÃO SOCIAL E TRANSITORIEDADE TERRITORIAL NA LUTA PELA TERRA: O CASO DOS CAMPONESES/PESCADORES DE TAMBAUZINHO, MUNICÍPIO DE SANTA RITA – PB

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    Marco Antonio Mitidiero Junior

    2012-07-01

    Full Text Available Partindo da idéia de que a lógica dos conflitos agrários entre grandes proprietários de terra versus camponeses (pequenos proprietários, parceiros, arrendatários, posseiros, sem terra, etc. no Brasil segue a regra da expulsão e expropriação desses últimos sujeitos sociais, o presente trabalho tem como objetivo narrar a trajetória de um grupo de camponeses/pescadores paraibanos que ao resistirem a expulsão permeiam uma variedade de tipificações sociais da comunidade em luta e exemplificam uma perversa instabilidade territorial que envolve a luta pela terra.

  18. Imaginários da ordem e da desordem: os 25 anos do Movimento Sem Terra na perspectiva da Revista Veja

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    Marcos Paulo Campos

    2010-04-01

    Full Text Available O presente trabalho tem por objetivo analisar a produção de um imaginário sociodiscursivo a respeito dos 25 anos de atuação do Movimento Sem Terra (MST por parte da revista Veja. Para tanto, a análise põe em foco a reportagem alusiva ao aniversário do Movimento publicada na edição 2097 do periódico. A interpretação aqui trabalhada inscreve-se numa articulação de referenciais analíticos advindos da teoria de análise do discurso e da produção sociológica que trata dos movimentos sociais, especialmente, a relação desses com a grande mídia. Os trabalhos de Maria da Glória Gohn, Porto-Gonçalves e Eduardo Souza são leituras constitutivas da perspectiva sobre os movimentos sociais assumida no texto, bem como, a elaboração de Patrick Charaudeau sobre os imaginários sociais construídos pela prática discursiva contida em sua obra intitulada “Discurso Político” (2006. A análise feita neste trabalho aponta para a mobilização de estratégias discursivas, por parte da revista Veja, que localiza o MST como elemento central do imaginário da desordem no mundo rural.

  19. A narrativa estilhaçada em Assim na terra, de Luiz Sérgio Metz DOI - 10.5752/P.2358-3428.2012v16n31p161

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    Claudia Lorena Vouto da Fonseca

    2012-12-01

    Full Text Available Este estudo analisa como se dá a relação entre textos, o jogo intertextual em Assim na terra, do sulriograndense Luiz Sérgio Metz, e como as relações que se estabelecem entre diferentes textos estruturam essa narrativa, a qual se constitui a partir do fragmento, da referência e da citação, em suma, da Biblioteca. Inserindo o autor na linhagem dos autores-críticos, explicitamos as relações estabelecidas pelo autor com seus modelos: em especial Jorge Luis Borges, Vicente Huidobro, Octávio Paz e Aureliano de Figueiredo Pinto. Referimo-nos, aqui, ao diálogo que se estabelece entre autores latinoamericanos, especialmente aqueles que, ao mesmo tempo em que produziram literatura, pensaram o fazer literário e, consequentemente, seu próprio lugar no mundo. Próximos, além de uma determinada atividade criadora, esses autores compartilham uma história, uma cultura e um determinado espaço – o mesmo locus de enunciação, o qual não considera, necessariamente, limites políticos, ou, fronteiras. Palavras-chave: Luiz Sérgio Metz.Assim na terra. Jogo intertextual. Biblioteca. Literatura latinoamericana.  

  20. ANÁLISE ESPACIAL DA EVOLUÇÃO DO USO E COBERTURA DA TERRA NA SUB-BACIA HIDROGRÁFICA DO ARROIO ARENAL, SANTA MARIA/RS

    OpenAIRE

    Ana Caroline Paim Benedetti

    2006-01-01

    Este trabalho investiga a dinâmica das classes de uso e cobertura da terra na subbacia hidrográfica do Arroio Arenal RS, através da representação de processos espaço-temporais. Por meio de um conjunto de imagens multi-sensores, realizou-se a análise espacial de uma série temporal distinta entre as datas de outubro de 1995, maio de 2000 e janeiro de 2005, gerando informações representativas da paisagem e relacionando-as a diferentes aspectos sócio-econômicos, políticos e ambientais inerentes ...

  1. A Corrida por Terras

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    Paula Simas de Andrade

    2013-07-01

    Full Text Available PEARCE, Fred. The Land Grabbers - The New Fight over Who Owns the World. Boston: Beacon Press, 2012. 326 p. [Uso da terra rural, Propriedade real terras estrangeiras, propriedade Rural, investimento estrangeiro]. ISBN 978-0-8070-0324-4.

  2. Análise do uso da terra na microbacia do Arroio do Meio - Santa Maria - RS, por Sistema de Informações Geográficas e imagem de satélite

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    Piroli Edson Luís

    2002-01-01

    Full Text Available O objetivo desse trabalho foi verificar a viabilidade do uso de um Sistema de Informações Geográficas (SIG e a imagem de satélite para a análise do uso atual da terra e localização de áreas onde possam estar ocorrendo conflitos entre capacidade e uso do solo, na microbacia hidrográfica do Arroio do Meio. Foram utilizadas técnicas de geoprocessamento, como álgebra entre mapas, consulta ao banco de dados e reclassificação de imagens. Uma microbacia foi escolhida como objeto deste estudo, por ser considerada por muitos autores como sendo uma das melhores unidades para o planejamento e desenvolvimento sócioeconômico dos habitantes do meio rural. Na microbacia estudada, foram encontrados 555ha cobertos com florestas, compreendendo 24% da área total. As lavouras com área de 1.314ha ocupam a maior parte da microbacia (56%. Os campos de pastagens cobrem 184ha, ou seja, 8% da área total. As áreas alagadas representam 11% da área da microbacia, tendo respectivamente 265ha. Foram detectados ainda, 31ha sombreados (1% onde não se determinou com exatidão o uso da terra. Nas áreas com declividade superior a 47%, foram detectados 32ha sem cobertura de florestas, perfazendo 1,4% da área da microbacia. Em declives superiores a 30%, existem 71ha (3% sendo usados para a agricultura. A área ocupada com Chernossolos e Neossolos Litólicos, unidade de mapeamento Ciríaco-Charrua em declividade maior que 30% sem cobertura florestal é de 14ha (0,6%. De acordo com a declividade e o solo, as áreas de conflito alcançam 5% da área total, o que demonstra que, na maior parte da microbacia, a terra está sendo usada de acordo com sua capacidade.

  3. Dependência espacial da eficiência do uso da terra em assentamento rural na Amazônia Spatial dependence of land use efficiency in an Amazon rural settlement

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    Eliane Gonçalves Gomes

    2009-01-01

    Full Text Available Mudanças no uso e manejo da terra podem ser responsáveis por incrementos na produtividade agrícola. Neste artigo propõe-se o uso de modelos de Análise de Envoltória de Dados (DEA para avaliar a distribuição espacial da eficiência de agricultores familiares na forma do uso da terra. Estudou-se a evolução da "produtividade da terra" para um grupo de agricultores de Machadinho d'Oeste (RO, para quatro períodos de tempo. As variáveis dos modelos DEA foram as produções de arroz, milho e café como outputs, e a área total plantada dessas culturas como input. Os resultados mostram que o plantio simultâneo de arroz e milho foi a combinação de melhor desempenho. Houve dependência espacial para a eficiência produtiva nos quatro anos avaliados. Os anos de 1999 e 2002 apresentaram maior uniformização em termos da eficiência produtiva dos lotes por toda área, com os lotes mais eficientes concentrando-se na parte central da área de estudo.Agricultural productivity enhancement can be due to land use and land handling changes. In this paper we propose the use of Data Envelopment Analysis models (DEA to evaluate the spatial distribution of family farmers land use efficiency. We studied the "land productivity" evolution for a sample of family farmers from Machadinho d'Oeste (RO, during four periods of time. DEA models variables were rice, maize and coffee productions as outputs, and these crops total cultivated area as input. As a result we noticed that cultivating simultaneously rice and maize was the best performance case. Efficiency measurements had spatial dependence in the four periods of time. In 1999 and 2002 farms productive efficiency measurements were more uniformly distributed; the most efficient farmers were concentrated in the central part of the studied area.

  4. A página virtual do movimento dos trabalhadores rurais sem terra (MST) como instrumento de contrainformação na luta político-ideológica pela reforma agrária

    OpenAIRE

    Engelmann, Solange Inês

    2013-01-01

    O presente trabalho teve como objetivo a análise da página nacional de internet do Movimento dos Trabalhadores Rurais Sem Terra (MST), criada em 1997. Nosso propósito foi compreender o processo de construção do portal e qual a importância desse novo aparato de comunicação na divulgação das demandas do MST e no debate da Reforma Agrária no Brasil, para o diálogo com a classe trabalhadora urbana e sua base social. Para tanto, inicialmente apresentamos uma discussão sobre o novo processo de t...

  5. Influência da escória silicatada na acidez do solo e na produtividade de grãos do arroz de terras altas Influence of calcium silicate slag on soil acidity and upland rice grain yield

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    Morel Pereira Barbosa Filho

    2004-04-01

    Full Text Available Apesar dos elevados teores de SiO2 total geralmente encontrados nos solos brasileiros, o teor na solução do solo pode ser baixo, em conseqüência do processo de dessilicificação que ocorre durante a intemperização dos solos. A aplicação de escórias de processamento industrial, ricas em silicatos de cálcio, tem mostrado efeitos positivos quanto à ação corretiva da acidez do solo e ao fornecimento de Si às plantas acumuladoras desse elemento, com aumentos significativos de produtividade. Conduziu-se este trabalho com o seguinte objetivo: avaliar em dois anos de cultivo sucessivos a ação corretiva, a produtividade de grãos e a absorção de Si pelo arroz de terras altas. Foram aplicadas ao solo de cerrado classificado como latossolo vermelho distroférrico de cerrado seis doses (0, 2, 4, 6, 8 e 10 t ha-1 de uma escória silicatada com 20% de SiO2 total, proveniente do processo de fabricação de superfosfatos em forno elétrico. Utilizou-se o delineamento de blocos completos casualizados com cinco repetições. Foram detectados aumentos significativos de produtividade de grãos, teor e acumulação de Si na palha e da porcentagem de grãos cheios por panícula, nos dois anos de cultivo do arroz. Houve ação corretiva no solo das doses de escória, reduzindo a acidez e aumentando a disponibilidade de P, Si, Ca trocável e a porcentagem de saturação por bases. O nível crítico de Si na palha por ocasião da colheita, para obtenção de produtividade satisfatória de grãos, foi estabelecido em 2,25 g kg-1 de matéria seca.Despite the high SiO2 total content often found in Brazilian soils, the soluble silicon content in soil solution can be low due to weathering that occur in soils. The application of calcium silicate slags, under these conditions, has demonstrated positive effects in relation to correction of soil acidity, the supply of Si to plants that accumulate this element and significant yield increase. The objectives of

  6. EOS Terra Validation Program

    Science.gov (United States)

    Starr, David

    2000-01-01

    The EOS Terra mission will be launched in July 1999. This mission has great relevance to the atmospheric radiation community and global change issues. Terra instruments include Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER), Clouds and Earth's Radiant Energy System (CERES), Multi-Angle Imaging Spectroradiometer (MISR), Moderate Resolution Imaging Spectroradiometer (MODIS) and Measurements of Pollution in the Troposphere (MOPITT). In addition to the fundamental radiance data sets, numerous global science data products will be generated, including various Earth radiation budget, cloud and aerosol parameters, as well as land surface, terrestrial ecology, ocean color, and atmospheric chemistry parameters. Significant investments have been made in on-board calibration to ensure the quality of the radiance observations. A key component of the Terra mission is the validation of the science data products. This is essential for a mission focused on global change issues and the underlying processes. The Terra algorithms have been subject to extensive pre-launch testing with field data whenever possible. Intensive efforts will be made to validate the Terra data products after launch. These include validation of instrument calibration (vicarious calibration) experiments, instrument and cross-platform comparisons, routine collection of high quality correlative data from ground-based networks, such as AERONET, and intensive sites, such as the SGP ARM site, as well as a variety field experiments, cruises, etc. Airborne simulator instruments have been developed for the field experiment and underflight activities including the MODIS Airborne Simulator (MAS) AirMISR, MASTER (MODIS-ASTER), and MOPITT-A. All are integrated on the NASA ER-2 though low altitude platforms are more typically used for MASTER. MATR is an additional sensor used for MOPITT algorithm development and validation. The intensive validation activities planned for the first year of the Terra

  7. NASA 3D Models: Terra

    Data.gov (United States)

    National Aeronautics and Space Administration — NASA launched the Earth Observing System's flagship satellite Terra, named for Earth, on December 18, 1999. Terra has been collecting data about Earth's changing...

  8. Assim na Terra como no céu: a teoria do dínamo como uma ponte entre o geomagnetismo e o magnetismo estelar

    OpenAIRE

    Nelson,Osman Rosso; De Medeiros,José Renan

    2012-01-01

    Esse trabalho pretende, através de uma abordagem didática, apresentar a íntima ligação entre o magnetismo estelar e o geomagnetismo, ressaltando a importância da teoria de dínamo na compreensão do magnetismo no universo.

  9. Automação do Acervo Paleontológico da Coleção do Museu de Ciências da Terra / DNPM-RJ e sua disponibilização na Internet

    Directory of Open Access Journals (Sweden)

    Adriana Abade Pereira Moura

    2005-01-01

    Full Text Available A Internet vem servindo à ciência como ferramenta na busca e no acesso de informações, sendo utilizada por pesquisadores do mundo inteiro como meio de aceleração da troca de idéias para melhor desenvolver suas pesquisas e desenvolver a partir daí novos conceitos na ciência. Tendo consciência desta ferramenta a Companhia de Pesquisa de Recursos Minerais (CPRM criou um programa de cadastro de automatização sobre os seus fósseis, a Base de Dados Paleontológicos (Base Paleo, utilizado pelo Museu de Ciências da Terra do DNPM (Departamento Nacional de Produção Mineral, MN-UFRJ (Museu Nacional do Rio de Janeiro e Dep. Geologia da UFRJ (Universidade Federal do Estado do Rio de Janeiro. A entrada de dados é efetuada através de um programa que engloba duas etapas: a primeira, executada pelas instituições conveniadas que trata da geração de movimento para a inclusão de novos registros de fósseis através do ACESS, e a segunda elaborada pela CPRM através do SQL/SERVER para a inclusão e disponibilização dos dados para internet. A Base de Dados Paleontológicos reúne atualmente 20.986 documentos sendo 11.019 documentos do DNPM, 6.088 do Museu Nacional e 3.879 da CPRM, disponíveis pela Internet no site ttn://www.cnrm.gov.br. Dentro do âmbito da Base Paleo criou-se o projeto "Atualização da Coleção dos fósseis existentes no Museu de Ciências da Terra / DNPM" para melhor divulgação do acervo via web. Neste sistema de informação virtual constam dados referentes à identificação dos fósseis como e onde foram encontrados (município e Estado , latitude e longitude, unidades litoestratigráficas, bioestratigráficas e cronoestratigráficas, táxon, coletor, analista, consta o estado de preservação e a descrição com as devidas referências bibliográficas disponíveis sobre o material. O Museu de Ciências da Terra com esta automação possibilitará maior divulgação de seu acervo, permitindo amplo acesso aos

  10. Uso da terra e perda de solo na Bacia Hidrográfica do Rio Colônia, Bahia Land use and soil loss in the Colônia River Watershed, Bahia

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    Vinícius de A. Silva

    2011-03-01

    Full Text Available Mudanças no uso da terra muitas vezes potencializam a erosão hídrica acarretando perda de água, solo, nutriente e matéria orgânica dos sistemas agrícolas, razão por que se estimou a perda de solo na bacia hidrográfica do rio Colônia, na Bahia, nos últimos vinte e sete anos, utilizando-se o software SWAT (Soil and Water Assessment Tool. Para tal, procedeu-se à digitalização de mapas temáticos, interpretação de fotografias aéreas de 1975; classificação supervisionada de imagens de satélites de 2002 e produção de mapas de uso da terra. O SWAT foi utilizado na obtenção de mapas temáticos digitais por sub-bacia hidrográfica do rio Colônia, quantificação das perdas de solo em cada sub-bacia e nas formas de usos obtidos por conceito teórico, simulando as inclusões de áreas de preservação permanente, bem como mata em toda a superfície das sub-bacias. Estima-se que, entre 1975 e 2002, a média de perda de solo na bacia hidrográfica do rio Colônia foi de 47 t ha-1 ano-1 e em 2002 a estimativa de perda de solo foi de 46,64 t ha-1 ano-1. Na simulação de um cenário teórico de área de preservação permanente (APP e mata, ocorreu diminuição da média da perda de solo em toda a bacia hidrográfica do rio Colônia de, respectivamente, 9,09 t ha-1 ano-1 e 20,91 t ha-1 ano-1.Land use changes most of the time increases the hydric erosion leading to loss of water, nutrients and organic matter in agricultural systems. Thus, aiming to estimate the soil loss in the watershed of Colonia River, in Bahia, in the last twenty-seven years, the software SWAT (Soil and Water Assessment Tool was used. For the purpose, a digitalization thematic map (Arc View, interpretation of aerial photographs from 1975, supervised classification of 2002 satellite images and a land use map generation were developed. The SWAT software was used for obtaining a digital thematic map for every sub-basin of Colonia River Watershed, soil loss

  11. TERRA – MADRE

    Directory of Open Access Journals (Sweden)

    Luz Ampario Osorio

    2014-02-01

    Full Text Available Cantante, danzatrice, esperta di canti religiosi di tutto il mondo, Luz è figlia di quattro lingue diverse: spagnolo, olandese, inglese, italiano e ha letto poesie scritte in quelle lingue. Tema centrale, il legame fra l’individuo e la terra, sua madre, a cui tornare sempre. Terra da amare, rispettare, cantare.  Earth - Mother Singer, dancer, expert on religious songs from around the world, Luz is the daughter of four different languages: Spanish, Dutch, English, Italian and she read poems written in these languages. The central theme is the link between the individual and the earth, the mother, to whom one always returns. Earth to love, to respect, to celebrate.

  12. Terra Harvest software architecture

    Science.gov (United States)

    Humeniuk, Dave; Klawon, Kevin

    2012-06-01

    Under the Terra Harvest Program, the DIA has the objective of developing a universal Controller for the Unattended Ground Sensor (UGS) community. The mission is to define, implement, and thoroughly document an open architecture that universally supports UGS missions, integrating disparate systems, peripherals, etc. The Controller's inherent interoperability with numerous systems enables the integration of both legacy and future UGS System (UGSS) components, while the design's open architecture supports rapid third-party development to ensure operational readiness. The successful accomplishment of these objectives by the program's Phase 3b contractors is demonstrated via integration of the companies' respective plug-'n'-play contributions that include controllers, various peripherals, such as sensors, cameras, etc., and their associated software drivers. In order to independently validate the Terra Harvest architecture, L-3 Nova Engineering, along with its partner, the University of Dayton Research Institute, is developing the Terra Harvest Open Source Environment (THOSE), a Java Virtual Machine (JVM) running on an embedded Linux Operating System. The Use Cases on which the software is developed support the full range of UGS operational scenarios such as remote sensor triggering, image capture, and data exfiltration. The Team is additionally developing an ARM microprocessor-based evaluation platform that is both energy-efficient and operationally flexible. The paper describes the overall THOSE architecture, as well as the design decisions for some of the key software components. Development process for THOSE is discussed as well.

  13. A relação da mulher e a terra na revista Agriculturas: uma análise de conteúdo / The relationship between women and the earth in the journal Agriculturas: a content analysis

    Directory of Open Access Journals (Sweden)

    Maria de Cleofas Faggion Alencar

    2011-01-01

    Full Text Available Este trabalho é resultado de uma parceria entre a biblioteca e o setor de PD&I da Embrapa Meio Ambiente onde, através da aplicação do método de análise de conteúdo em artigos publicados pela Revista Agriculturas, buscou-se entender qual é o lugar e importância das mulheres, a percepção ou visão dos autores sobre a contribuição das mulheres e as principais atividades que elas desenvolvem. A grande parte dos artigos mostra que as mulheres atuam diretamente em atividades produtivas e em particular em atividades especificas, na unidade de produção e no artesanato, além de outras funções igualmente importantes. Elas têm tido sensibilidade para trabalhar respeitando os princípios da Agroecologia, cujas práticas se expressam nas atividades desenvolvidas na unidade de produção. Nos artigos da Revista Agriculturas, as mulheres desempenham o papel de "guardiãs das sementes”, de sua cultura e muitas vezes estão no centro das decisões sobre o que plantar, como plantar e onde vender a produção. Assim, o trabalho em conjunto com a Biblioteca possibilitou o desenvolvimento desta pesquisa destacando a aplicação do método de análise de conteúdo nos artigos da revista Agriculturas para identificar a relação da mulher e a terra.

  14. Políticas de contenção de desmatamento, produção e mercado de terras na Amazônia: um ensaio sobre a economia local do sudeste paraense usando contas sociais alfa (CSα

    Directory of Open Access Journals (Sweden)

    Francisco de Assis Costa

    2011-09-01

    Full Text Available A discussão atual sobre a emissão de carbono associada ao uso agropecuário da terra em prejuízo de florestas se ressente de uma visão sistêmica, no que se refere aos fluxos econômicos propriamente, e suas interações, no que tange ao ambiente institucional que os garante. Dado que os esquemas de compensação implicam a entrada e saída de recursos em contextos econômicos amplos e sistêmicos, fundamental é discutir qual o resultado final desses fluxos sobre as condições gerais de reprodução das economias locais. As questões básicas são: a como tais políticas poderão, a partir dos setores rurais, afetar a demanda final efetiva e, por essa via, o valor da produção e as variáveis de valor adicionado de toda a economia e b como as variações na economia afetam as formas de uso da base natural e, portanto, o desmatamento. No que se refere às instituições, o artigo dá especial ênfase às que definem o mercado de terras, porque nele encontra o cerne de questões vitais para o que se discute. O artigo utiliza um modelo ascendente de geração de matrizes de insumo-produto para a economia local do Sudeste Paraense, incorpora nela um balanço de carbono dos setores da produção rural, encontra os multiplicadores e simula quatro situações de politica de contenção de desmatamento e redução das emissões de gases poluentes. A conclusão principal do artigo é que se faz necessário pensar políticas de contenção de desmatamento ligadas indissociavelmente a políticas de produção - a serem operadas por mecanismos que façam convergir as decisões dos agentes com perspectivas macro de desenvolvimento: local, endógeno e sustentável.

  15. Efeito da cobertura vegetal sobre a pérola-da-terra (Hemiptera: Margarodidae na cultura da videira = Effect of cover crops on brazilian ground pearl (Hemiptera: Margarodidae in vineyards

    Directory of Open Access Journals (Sweden)

    Marcos Botton

    2010-10-01

    Full Text Available O uso da cobertura vegetal em vinhedos é uma prática empregada paraminimizar a erosão e melhorar as qualidades químicas e físicas do solo. Neste trabalho, foi avaliado o efeito de coberturas vegetais sobre a população da pérola-da-terra Eurhizococcus brasiliensis (Hemiptera: Margarodidae na cultura da videira. No primeiro experimento, o vinhedo foi mantido sem cobertura vegetal por meio da aplicação trimestral do herbicida glifosato comparado com o uso de vegetação espontânea, durante o ano, de vegetação espontânea, no verão, e de aveia preta no inverno. No segundo experimento foi avaliado o efeito da mucuna-preta (Stizolobium aterrimum cultivada no vinhedo durante o verão comparado com a vegetação espontânea. No primeiro experimento, a população da pérolada-terra nas raízes de plantas de videira foi maior em áreas mantidas sem cobertura vegetal emostrou-se semelhante em áreas onde se manteve a vegetação espontânea, ao longo do ano, e com aveia preta no inverno e vegetação espontânea no verão. A infestação das plantas de videira em áreas onde foi empregada a mucuna-preta durante o verão foi equivalente à da vegetação espontânea. S. aterrimum foi registrada pela primeira vez como hospedeira de E. brasiliensis. The use of cover crops is an important strategy to reduce erosion and improve chemical and physical soil properties. In this work, we evaluate the effect of cover crops to reduce Brazilian ground pearl Eurhizococcus brasiliensis (Hemiptera: Margarodidae infestation in vineyards. In the first experiment, glyphosate was sprayed each three months to avoid cover crops. This treatment was compared with naturally occurring vegetation during the year and the use of Avena sativa in the winter. In a second experiment, Stizolobium aterrimum was cultivated during the summer compared with naturally occurringvegetation. Brazilian ground pearl population was higher in glyphosate sprayed areas than where cover

  16. Períodos de interferência das plantas daninhas na cultura do arroz de terras altas. II - cultivar Caiapó Interference periods of weeds in the upland rice - Caiapó variety

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    Maria Rosangela Malheiros Silva

    2009-01-01

    Full Text Available Os experimentos foram desenvolvidos nos anos agrícolas 2003/2004 e 2004/2005, em área experimental da Universidade Estadual Paulista, Campus de Jaboticabal (SP, com o objetivo de se determinarem os períodos de interferência das plantas daninhas na cultura do arroz de terras altas, cultivar Caiapó. O delineamento experimental foi em blocos ao acaso com quatro repetições e 16 tratamentos. Os tratamentos foram constituídos por períodos crescentes de controle ou de convivência das plantas daninhas após a emergência da cultura: 0-10, 0-20, 0-30, 0-40, 0-50, 0-60, 0-70 dias e 0-colheita. Nos dois anos, as famílias predominantes eram Poaceae, Asteraceae, Amaranthaceae e Malvaceae e as principais plantas daninhas presentes foram: Cyperus rotundus L., Cenchrus echinatus L., Digitaria spp Heist., Echinochloa crus-galli (L. P. Beauv., Brachiaria decumbens Stapf., Eleusine indica Gaertn e Alternanthera tenella Colla. A cultivar de arroz de terras altas Caiapó deve ser mantida sem plantas daninhas nos 30 dias após a emergência.The experiments were carried out in two growing seasons (2003/04 and 2004/05 in an experimental area at São Paulo State University - UNESP, Jaboticabal Campus, to evaluate the weed interference periods on the upland Caiapó rice variety. The experimental design was randomized blocks with 4 replicates and 16 treatments. The treatments consisted of increasing periods of control or coexistence after emergence of the culture: 0-10; 0-20; 0-30; 0-40; 0-50; 0-60; 0-70 days; 0-harvest. The predominant families were Poaceae, Asteraceae, Amaranthaceae and Malvaceae, and the main weeds present were Cyperus rotundus L., Cenchrus echinatus L., Digitaria spp Heist., Echinochloa crus-galli (L. P. Beauv., Brachiaria decumbens Stapf., Eleusine indica Gaertn e Alternanthera tenella Colla for both years. The upland rice cultivar Caiapó is to be kept free of weeds for 30 days after emergence.

  17. A dinâmica dos mercados associados ao suínos de raça Bísara na Terra Fria Transmonta

    OpenAIRE

    Carvalho, Marieta

    2014-01-01

    A procura mundial de produtos de origem animal aumentará cerca de 70% em 2050, com especial relevância para a de origem do porco (FAO, 2014). Este trabalho visa estudar: · A dinâmica dos mercados associados aos suínos da raça Bísara: animais, carne e fumeiro de Vinhais. · Os circuitos de comercialização, os preços ao criador de suínos de animais vivos, da carne e fumeiro de Vinhais. A metodologia utilizada baseou-se na análise descritiva, referente aos de 2013 e 2014, dos ...

  18. Biomassa da rebrota de copas de pau-rosa (Aniba rosaeodora Ducke em plantios sob sombra parcial em floresta primária Canopy sprouting biomass of rosewood (Aniba rosaeodora Ducke in an Amazonian terra firme forest

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    Paulo de Tarso Barbosa Sampaio

    2005-12-01

    Full Text Available Este estudo propõe uma nova metodologia de exploração do pau-rosa (Aniba rosaeodora Ducke em substituição ao método tradicional, predatório, de corte raso. Avaliando-se a biomassa da rebrota de copas (galhos e folhas e de cepas cortadas a 1 m de altura do solo, será possível inferir sobre o manejo de plantios visando maximizar a produção de óleo essencial desta espécie. Os plantios estão localizados na Reserva Florestal Adolph Ducke, Manaus, Brasil. Treze anos após a poda das copas e do corte das árvores a 1 m do solo, o peso seco da rebrota da copa (39,5 kg foi significativamente superior ao peso seco de galhos e folhas das árvores testemunha (23 kg e da rebrota das cepas (13,7 kg, revelando que a poda da copa estimulou maior produtividade de galhos e folhas das árvores do plantio. Como o peso do fuste representou 85,5% da média do peso total das árvores e a produtividade de óleo é diretamente proporcional á biomassa aérea, a exploração atual é predominantemente feita através do corte raso das árvores. A alta capacidade de rebrota da copa e o maior rendimento de óleo a partir de galhos e folhas em relação à madeira, no entanto, indicam que o manejo dos plantios desta espécie poderá ser feito através da poda da copa das árvores, evitando a destruição total das árvores e uma possível extinção da espécie.The aim of this study is to develop a new management technique in rosewood trees (Aniba roseodora Ducke to replace the traditional clear-cut method. The biomass of branches and leaves originated by sprouting is used to estimate oil productivity, focusing on the silvicultural management of this species. The plantation is located at the Adolpho Ducke Forest Reserve, Manaus, Brazil. The biomass of branches and leaves was quantified 13 years after the first pruning. The average dry weight of tree canopy sprouts (39.5 kg was greater than the control (23 kg. That is one indication that the canopy pruning

  19. The ceramic artifacts in archaeological black earth (terra preta from lower Amazon region, Brazil: mineralogy Artefatos cerâmicos em sítios arqueológios com terra preta na região do baixo Amazonas, Brasil: mineralogia

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    Marcondes Lima da Costa

    2004-01-01

    Full Text Available Several archaeological black earth (ABE sites occur in the Amazon region. They contain fragments of ceramic artifacts, which are very important for the archaeological purpose. In order to improve the archaeological study in the region we carried out a detailed mineralogical and chemical study of the fragments of ceramic artifacts found in the two ABE sites of Cachoeira-Porteira, in the Lower Amazon Region. Their ceramics comprise the following tempers: cauixi, cariapé, sand, sand +feldspars, crushed ceramic and so on and are composed of quartz, clay equivalent material (mainly burned kaolinite, feldspars, hematite, goethite, maghemite, phosphates, anatase, and minerals of Mn and Ba. Cauixi and cariapé, siliceous organic compounds, were found too. The mineralogical composition and the morphology of their grains indicate a saprolite (clayey material rich on quartz derived from fine-grained felsic igneous rocks or sedimentary rocks as source material for ceramic artifacts, where silica-rich components such cauixi, cariapé and/or sand (feldspar and rock fragments were intentionally added to them. The high content of (Al,Fe-phosphates, amorphous to low crystalline, must be product of the contact between the clayey matrix of pottery wall and the hot aqueous solution formed during the daily cooking of animal foods (main source of phosphor. The phosphate crystallization took place during the discharge of the potteries put together with waste of organic material from animal and vegetal origin, and leaving to the formation of the ABE-soil profile.Sítios arqueológicos com Terra Preta, denominados de Terra Preta de Índio ou ainda Terra Preta Arqueológica (TPA são muito freqüentes na Amazônia. As TPA geralmente contém fragmentos de vasos cerâmicos, por vezes abundantes, além de líticos, que são materiais de grande importância para os estudos arqueológicos. Para consubstanciar esses estudos, realizou-se pesquisas mineralógicas e químicas em

  20. Validação do balanço de radiação obtido a partir de dados MODIS/TERRA na Amazônia com medidas de superfície do LBA Validation of net radiation obtained from MODIS/TERRA data in Amazonia with LBA surface measurements

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    Gabriel de Oliveira

    2013-09-01

    Full Text Available Este estudo tem como objetivo estimar os componentes do balanço de radiação em duas regiões do estado de Rondônia (sudoeste da Amazônia brasileira, a partir de dados do Moderate Resolution Imaging Spectroradiometer (MODIS/TERRA por intermédio do modelo Surface Energy Balance Algorithms for Land (SEBAL, e validar os resultados com informações adquiridas por torres micrometeorológicas do projeto LBA sob as condições de pastagem (Fazenda Nossa Senhora Aparecida e floresta (Reserva Biológica do Jaru. A implementação do modelo SEBAL foi realizada diretamente sobre os dados MODIS e incluiu etapas envolvendo o cômputo de índices de vegetação, albedo e transmitância atmosférica. A comparação das estimativas geradas a partir de dados MODIS com as observações resultou em erros relativos para a condição de pastagem variando entre 0,2 e 19,2%, e para a condição de floresta variando entre 0,8 e 15,6%. A integração de dados em diferentes escalas constituiu uma proposição útil para a estimativa e espacialização dos fluxos de radiação na região amazônica, o que pode contribuir para a melhor compreensão da interação entre a floresta tropical e a atmosfera e gerar informações de entrada necessárias aos modelos de superfície acoplados aos modelos de circulação geral da atmosfera.This study aims to estimate the components of net radiation in two regions located in the state of Rondônia (southwest of the Brazilian Amazon, using Moderate Resolution Imaging Spectroradiometer (MODIS/TERRA data based on Surface Energy Balance Algorithms for Land (SEBAL model, and to validate the results with information acquired by the micrometeorological towers of LBA under the conditions of pasture (Fazenda Nossa Senhora Aparecida and forest (Reserva Biológica do Jaru. Implementation of SEBAL model was performed directly on the MODIS data and included steps involving the computation of vegetation indices, albedo and atmospheric

  1. Consistência hidrológica de modelos digitais de elevação (MDE para definição da rede de drenagem na sub-bacia do horto florestal Terra Dura, Eldorado do Sul, RS

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    Anna Hoffmann Oliveira

    2012-08-01

    Full Text Available O desenvolvimento da erosão hídrica ocorre em resposta ao modo como a água se move através e sobre uma determinada paisagem. O modelo digital de elevação (MDE deve, portanto, ser o mais preciso possível, uma vez que constitui a base para a análise do relevo. Este trabalho teve como objetivo definir um modelo digital de elevação hidrologicamente consistente (MDEHC e o método de direção de fluxo mais adequado para a definição da rede de drenagem na sub-bacia do horto florestal Terra Dura, município de Eldorado do Sul, RS. Foram testados os modelos gerados com os interpoladores Topogrid e redes triangulares irregulares (Triangulated Irregular Network -TIN linear (TIN L e TIN natural neighbor (TIN NN. A qualidade em relação às análises hidrológicas foi avaliada por meio da comparação das curvas de nível geradas pelos modelos testados com as curvas originais da sub-bacia (escala 1:10.000; da avaliação da quantidade de áreas planas; e da comparação da drenagem gerada pelos modelos a partir dos métodos de direção de fluxo Deterministic (D8 e Deterministic infinity (D∞ ou D infinito com a drenagem original. Entre os modelos avaliados, o Topogrid apresentou maior consistência hidrológica, verificada na melhor continuidade das curvas de nível (menos arestas e maior detalhamento da área de drenagem e divisores, acarretando menor quantidade de áreas planas e caminhos de fluxo mais detalhados, independentemente do método de direção de fluxo utilizado. Em relação à rede de drenagem, o método distribuído D∞ obteve melhor desempenho na descrição dos caminhos de fluxo, comparado ao método de direção única D8. O MDEHC Topogrid associado ao método D∞ proporcionou a identificação mais precisa dos caminhos preferenciais do fluxo que formam a rede de drenagem.

  2. ‘Land grabbing’ e ‘Green grabbing’: Uma leitura da ‘corrida na produção acadêmica’ sobre a apropriação global de terras

    NARCIS (Netherlands)

    S. Sauer (Sergio); S.M. Borras jr. (Saturnino)

    2016-01-01

    markdownabstractA partir de 2008, houve uma extensa produção e publicação de artigos acadêmicos, basicamente em inglês, sobre um fenômeno denominado corrida mundial por terras ou land grabbing (apropriação de terras). Depois de cinco ou seis anos, essa produção se mantém, mas com construções

  3. Uso da terra e propriedades físicas e químicas de Argissolo Amarelo distrófico na Amazônia Ocidental

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    Araújo E. A.

    2004-01-01

    Full Text Available O objetivo deste estudo foi avaliar as alterações físicas e químicas em Argissolo Amarelo distrófico textura média/argilosa relevo plano, sob diferentes tipos de uso no assentamento Favo de Mel, município de Sena Madureira, Acre. A coleta de material de solo foi realizada no início da estação chuvosa (outubro/1999. Os tipos de usos avaliados foram: mata natural (testemunha, mata recém - desbravada e submetida à queima intensa, pupunha (Bactris gassipae com dois anos de cultivo e pastagem de braquiária (Brachiaria brizantha com quatro anos de cultivo. Em cada área, abriu-se uma trincheira, de onde se coletaram 12 amostras, em camadas delgadas, no intervalo de 0,0 a 0,60 m a partir da superfície do solo. Também coletaram-se amostras dos horizontes pedogenéticos. No material coletado, avaliaram-se: características físicas (granulometria, argila dispersa em água, densidade do solo, resistência do solo à penetração e parâmetros sedimentológicos e químicas (complexo sortivo, fósforo disponível, pH em água e em KCl, carbono orgânico, fósforo remanescente, substâncias húmicas e ferro pelo ataque sulfúrico. Verificou-se que, sob pastagem de braquiária, o solo apresentou os maiores valores de densidade no horizonte A, o que revela tendência à compactação. Os nutrientes avaliados e o carbono orgânico apresentaram baixos teores e estavam concentrados nos primeiros centímetros do solo. O potássio decresceu drasticamente na pastagem, graças, possivelmente, às perdas por erosão, queima e pastejo. A fração humina, dentre os compostos orgânicos, predominou nos quatro sistemas avaliados.

  4. New Firm Survival: Industry versus Firm Effects

    NARCIS (Netherlands)

    D.B. Audretsch (David); P. Houweling (Patrick); A.R. Thurik (Roy)

    1997-01-01

    textabstractRecent studies show that the likelihood of survival differs significantly across firms. Both firm and industry characteristics are hypothesized to account for this heterogenity. Using a longitudinal database of manufacturing firms we investigate whether firm or industry characteristics

  5. Avaliação de sistemas de terras

    OpenAIRE

    Pita, Fernando Jorge

    2016-01-01

    Conseguir o valor ótimo de terra é fundamental para a segurança e eficiência de uma instalação elétrica. Muitos profissionais têm dificuldade em determinar o método ideal e por vezes recorrem às tentativas, conseguindo na maioria dos casos o valor desejado espontaneamente sem perceber muito bem como o encontrou. Será importante compreender a influencia do solo, os vátios métodos para conseguir uma boa terra e como decidir quanto á profundidade dos elétrodos. Poderemos tendo em considera...

  6. The ceramic artifacts in archaeological black earth (terra preta from Lower Amazon Region, Brazil: chemistry and geochemical evolution Artefatos cerâmicos em sítios arqueológicos com terra preta na região do baixo Amazonas, Brasil: composição química e evolução geoquímica

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    Marcondes Lima da Costa

    2004-09-01

    Full Text Available This paper carried out a chemical investigation of archaeological ceramic artifacts found in archaeological sites with Black Earth (ABE in the Lower Amazon Region at Cachoeira-Porteira, State of Pará, Brazil. The ceramic artifacts, mostly of daily use, belong to Konduri culture (from 900 to 400 years BP. They are constituted of SiO2, Al2O3, Fe2O3, Na2O and P2O5; SiO2 and Al2O3 together add up to 80 % and indicate influence of acid rocks, transformed into clay minerals basically kaolinite. The relative high contents of P2O5 (2.37 % in average come out as (Al,Fe-phosphate, an uncommon fact in primitive red ceramics, but found in some roman and egyptian archaeological sites. The contents of the trace elements are similar or below the Earth's crust average. This chemical composition (except P2O5 detaches saprolite material derived acid igneous rocks or sedimentary ones as the main raw material of the ceramics. The contents of K, Na and Ca represent the feldspars and rock fragments possibly introduced into saprolitic groundmass, indicated by mineralogical studies. The presence of cauixi and cariapé as well as quartz sand was confirmed by optical microscope, SEM analyses and by the high silica contents of ceramic fragments. Phosphorus was possibly incorporated into groundmass during cooking of foods, and ABE soil profile formation developed on yellow Latosols. The raw materials and its tempers (cauixi, or cariapé, feldspar, crushed rocks, old ceramic artifacts and quartz fragments are found close to the sites and therefore and certainly came from them.Neste trabalho realizou-se a caracterização química de fragmentos de artefatos cerâmicos encontrados em sítios arqueológicos com terra preta no Baixo Amazonas (Cachoeira-Porteira, Pará, Brasil, representativos da cultura Konduri (de 900 a 400 anos AP. Esses fragmentos são constituídos de SiO2, Al2O3, Fe2O3, Na2O e P2O5, sendo que SiO2 e Al2O3, juntos, perfazem mais de 80 % em peso. Os teores

  7. Desenvolvimento gonadal do jundiá, Rhamdia quelen (Teleostei, Siluriformes, em viveiros de terra, na região sul do Brasil = Gonadal development of jundiá, Rhamdia quelen (Teleostei, Siluriformes, in earthen ponds in southern Brazil

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    Luciana Ghiraldelli

    2007-10-01

    Full Text Available O presente estudo caracterizou o desenvolvimento gonadal de jundiá até a maturação sexual, quando cultivados em viveiros de terra, visando subsidiar o desenvolvimento de tecnologia de cultivo para esta espécie na região sul do Brasil. Alevinos de jundiá (peso médio 8 ± 3,73 g foram estocados em três viveiros, na densidade de 0,6indivíduos m-2. Catorze indivíduos foram amostrados mensalmente, de setembro de 2001 a outubro de 2002. Os estádios de maturação gonadal foram caracterizados macroscopicamente, e fragmentos de ovários e testículos de alguns exemplares foram fixados em formalina 4% para análise histológica. Foram analisados 118 exemplares: 60 machos e 58 fêmeas. Os machos apresentaram atividade reprodutiva precoce, quandocomparados às fêmeas. Testículos e ovários apresentaram morfologia similar a de outras espécies de Siluriformes. De acordo com a análise microscópica, as gônadas foram classificadas em quatro estádios de desenvolvimento: imaturo, em maturação inicial, em maturação final e maduro. A relação gonadossomática variou de 0,29 a 9,16 para os machose de 0,11 a 13,03 para as fêmeas. Indivíduos maduros foram observados nos meses de verão (dezembro/2001 e janeiro/2002, outono (abril e maio/2002 e primavera (setembro e outubro/2002, acompanhando o aumento de temperatura.The study characterized the gonadal development of jundiá from approximately 8 g until gonadal maturation, to provide further knowledge for farming jundiá in Southern Brazil. Jundiá fingerlings(average weight 8.00 ± 3.73 g were stocked in three ponds at 0.6 fish m-2. Fourteen fish were sampled each month from September 2001 to October 2002. Gonadal maturation stages were characterized macroscopically, and samples of ovaries and testicles were fixedin 4-%-buffered formalin for histological examination. One hundred and eighteen fish were analyzed: 60 males e 58 females. Jundiá males matured earlier than females. Testicles and

  8. Reconfigurando as redes institucionais: relações interfirmas, trabalho e educação na industria de linha branca Redesigning Institutional Networks: Inter-Firm Relationship, Work and Education in the White Goods Industrial Sector

    Directory of Open Access Journals (Sweden)

    Leda Gitahy

    1997-12-01

    Full Text Available Este trabalho analisa a difusão de inovações tecnológicas e organizacionais na cadeia produtiva de linha branca a partir de pesquisa realizada em empresas localizadas na região de Campinas/SP no período 1996-1997. Discute-se como o processo de reestruturação produtiva provoca a reconfiguração das relações interfirmas e das relações entre empresas e diferentes instituições, especialmente do sistema educacional.This study analyses the diffusion of technological and organizational innovations within the white goods commodity chain based on a survey of firms close to around the city of Campinas/SP during the period 1996-1997. It attempts to verify whether the reestructuring process affects inter-firm relations and the relations between the firms and different institutions, specially those related to the educational system.

  9. Estudo dos m?todos de extra??o e comportamento do f?sforo na Terra Preta Arqueol?gica da mesorregi?o central do estado do Amazonas

    OpenAIRE

    Pessoa Junior, Erasmo S?rgio Ferreira

    2016-01-01

    As Terras Pretas Arqueol?gicas (TPA) s?o os Antrossolos conhecidos por serem os solos mais f?rteis da Amaz?nia. Uma das caracter?sticas das TPA ? a presen?a de fragmentos cer?micos arqueol?gicos, bem como alta quantidade de f?sforo e c?lcio. Esses fatos s?o usados como um registro importante da ocupa??o da Amaz?nia por civiliza??es pr?-colombianas. Este trabalho apresenta resultados sobre os m?todos de extra??o do f?sforo em TPA de oito s?tios da Mesorregi?o Central do Estado d...

  10. Terra firma-forme dermatosis

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    Emel Erkek

    2012-01-01

    Full Text Available Terra firma-forme dermatosis is characterized by ′dirty′ brown-grey cutaneous patches and plaques that can simply be eradicated by forceful swabbing with alcohol pads. The pathogenesis has been attributed to abnormal and delayed keratinization. Although affected patients present with typical lesions, the disorder is not well-known by dermatologists. In this report, we describe two patients with terra firma-forme dermatosis in the setting of xerosis cutis and atopic dermatitis. From a clinical point of view, we lay emphasis on its unique expression and diagnosis/treatment. From a histological perspective, we highlight its resemblance to dermatosis neglecta and speculate on the role of ′neglect′ in a patient with seemingly adequate hygiene. The role of urea containing emollients in the development of this disorder remains to be determined.

  11. Análise espaço-temporal da cobertura vegetal e uso da terra na Interbacia do Rio Paraguai Médio-MT, Brasil Spatio-temporal analysis of vegetation cover and land use in the middle Paraguay River Interbasin-MT, Brazil

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    Seyla Poliana Miranda Pessoa

    2013-02-01

    Full Text Available O objetivo deste estudo foi realizar uma análise espaço-temporal da cobertura vegetal e do uso da terra na Interbacia do Rio Paraguai Médio-MT, Brasil, pelo geoprocessamento de imagens Landsat TM, dos anos 1991, 2001 e 2011. As imagens foram georreferenciadas, classificadas e processadas no software Spring e as classes temáticas, quantificadas e editadas no software ArcGis. Foram mapeadas sete classes, sendo as mais expressivas a vegetação nativa, a pastagem e a cana-de-açúcar. Os resultados indicaram alterações em todas as classes durante os últimos 20 anos, com a diminuição de 22,89% da vegetação nativa, relacionada com o aumento de 58,42% da pastagem e 490,26% de monocultura de cana-de-açúcar. Foi verificado o conflito de uso da terra, principalmente em áreas de mata ciliar, fato que pode influenciar negativamente na conservação da interbacia e, consequentemente, do pantanal mato-grossense.This study analyzed spatial and temporal land use changes in the Middle Paraguay River Interbasin-MT, Brazil using Landsat images from 1991, 2001 and 2011. Images were geo-referenced, classified and processed using Spring software, and thematic classes were edited and quantified using ArcGis software. Seven map classes were identified, and native vegetation, pasture and sugarcane were the most significant ones. The results showed changes in all classes during the past 20 years, primarily a 22.89% decrease of native vegetation, a 58.42% increase in pasture and 490.26% increase of sugarcane monoculture. We verified land use conflicts, mostly in riparian areas, which may negatively influence Interbasin and, consequently, Pantanal conservation in the State of Mato Grosso, Brazil.

  12. GEOTECNOLOGY APPLIED TO CURRENT LAND USE EVALUATION OF RIBEIRÃO JOÃO LEITE WATERSHED, GOIÁS, BRAZIL GEOTECNOLOGIA APLICADA NA AVALIAÇÃO DO USO DAS TERRAS DA MICROBACIA DO RIBEIRÃO JOÃO LEITE, GOIÁS

    Directory of Open Access Journals (Sweden)

    Marco Túlio Guimarães Silva

    2009-10-01

    ;">KEY-WORDS: Agricultural potential; geoprocessing; remote sensing; watersheds.

    O desenvolvimento agropecuário no Estado de Goiás demanda utilização crescente de terras, por vezes de maneira inadequada, podendo proporcionar degradação ambiental. Este trabalho objetivou avaliar a adequação do uso das terras na Microbacia do Ribeirão João Leite, Goiás, Brasil (entre 16°13´S e 16°39´S, e 48°57´S e 49°11´W, utilizando-se geotecnologias. Por meio do software Spring, foram gerados mapas temáticos, baseados nos fatores determinantes das condições agrícolas das terras (deficiência de fertilidade, água e oxigênio, impedimento à mecanização e susceptibilidade à erosão, para a elaboração dos mapas de aptidão agrícola, das terras da área de estudo, nos manejos B e C. Foi, também, elaborado o mapa de uso e ocupação das terras, o qual foi, posteriormente, submetido a operações de tabulação cruzada com os mapas gerados de aptidão agrícola, obtendo-se a adequação do uso das terras. Os resultados constataram que a maior parte das terras da área estudada apresenta utilização de acordo ou abaixo do seu potencial agrícola, com 71,34% e 66,16%, respectivamente, nos níveis de manejo B e C. Observou-se, ainda, que apenas 1,81% (manejo B e 0,92% (manejo C da área apresentam suas terras com uso inadequado. Estes resultados caracterizam sustentabilidade da utilização agropecuária das terras da Microbacia do Ribeirão João Leite.

    "Quem é mais útil ao país: aquele que planta ou o que fica na cidade só comendo?": os trabalhadores rurais fluminenses e a luta por desapropriação de terras (1962-1963

    Directory of Open Access Journals (Sweden)

    Felipe Augusto dos Santos Ribeiro

    2015-12-01

    Full Text Available Resumo Este artigo pretende analisar as formas de mobilização de um grupo de trabalhadores rurais frente às constantes ameaças de despejo, entre os anos de 1962 e 63. As terras em questão, localizadas no município de Magé (RJ, eram ocupadas por posseiros e vinham sendo reivindicadas como propriedade da Companhia América Fabril, que mantinha duas unidades têxteis nas redondezas. Desse modo, pretendemos identificar as principais reivindicações e propostas desses trabalhadores, que adquiriram maior visibilidade a partir da repercussão das passeatas que realizaram em Niterói, então capital do estado do Rio de Janeiro.

  13. Internacionalização comercial e produtiva na indústria de cosméticos: desafios competitivos para empresas brasileiras Comercialization and productive internacionalization in the cosmetic industry: competitive challenges for brazilian firms

    Directory of Open Access Journals (Sweden)

    Renato Garcia

    2005-08-01

    Full Text Available As formas de internacionalização produtiva têm ganhado importância crescente nas estratégias das grandes empresas de diversos setores. Na indústria de cosméticos, convergente com essa tendência geral, as grandes empresas têm procurado internacionalizar suas funções corporativas, em uma estratégia de busca de oportunidades de mercado em todo o mundo. Nesse contexto, este trabalho discute as formas de internacionalização das empresas de cosméticos, com o propósito de estabelecer um padrão de ação dessas organizações. Para isso, são investigados os dados do comércio internacional de produtos cosméticos e as estratégias de algumas das grandes empresas que atuam no mercado global. A partir das experiências das empresas internacionais, será possível extrair algumas implicações gerenciais que podem ser úteis para que as empresas brasileiras aumentem sua pequena participação no mercado internacional.The great companies on several industries are increasing their action in the international markets, not just even by selling globally their products, but also by foreign direct investments. In the cosmetic industry, in convergence with this general tendency, the big firms are increasing their international acting, in a strategy of looking for new market opportunities all around the world. In this way, this paper discusses the internationalization strategies of the cosmetic firms, with the objective to establish a standard of actions of the big firms. To do that, it is showed some data of the international trade of cosmetic products and the strategies of some of the big international firms that act in the global markets. By doing that, it will be possible to get some managerial implications to the Brazilian firms, in order to increase their small share in the international markets.

  14. Tolerância de Himatanthus sucuuba Wood. (Apocynaceae ao alagamento na Amazônia Central Tolerance of Himatanthus sucuuba Wood. (Apocynaceae to the flooding regime in the Central Amazonian

    Directory of Open Access Journals (Sweden)

    Cristiane Ferreira

    2005-09-01

    Full Text Available Himatanthus sucuuba é uma espécie arbórea de reputado valor fitoterápico, que coloniza regiões de várzea e de terra firme na Amazônia Central. Objetivou-se verificar durante quatro meses, em casa de vegetação, a germinação e o desenvolvimento inicial de plântulas da espécie, oriundas de sementes dos dois diferentes ecossistemas. Não houve diferença significativa em relação ao peso de matéria seca de sementes da várzea e da terra firme. Entretanto, a taxa de germinação da espécie variou de acordo com o substrato e o local de procedência das sementes. No substrato areia+serragem (não-alagado a germinação da espécie foi alta, independente do ambiente (várzea 94% e terra firme 91%. No substrato constituído apenas por água (alagado, as sementes provenientes da várzea tiveram a maior taxa de germinação (96% e de formação de plântulas (84%, quando relacionadas às da terra firme, que apresentaram taxa de germinação de 64%, e nenhuma das sementes germinadas formou plântulas. Neste tratamento foi verificado o apodrecimento da radícula poucos dias após sua emissão, indicando que as sementes oriundas da várzea apresentam características adaptativas ao ambiente inundado em relação às da mesma espécie oriundas da terra firme.Himatanthus sucuuba is a tree species with known phytotherapic value which colonizes both white-water floodplains (várzea and upland forests (terra firme in Central Amazonian. The objective of this study was to compare germination and initial seedling development from seeds collected in both the ecosystems. There was no significant difference between dry seed mass, but in a four month period in a glasshouse in Manaus, Brazil, germination rate differed according to the substrate and origin of the seeds. In the substrate sand + sawdust (non-flooded germination rate was high, independent of seed origin (várzea 94% and terra firme 91%. In the substrate constituted only by water (flooded, the

  15. Terra Firma-forme Dermatosis

    Directory of Open Access Journals (Sweden)

    Anagha Ramesh Babu

    2013-01-01

    Full Text Available Terra firma-forme dermatosis is a cutaneous discoloration. ‘Dirty’ brown grey cutaneous patches and plaques that can be rid off by forceful swabbing with alcohol pads characterize it. The pathogenesis has been attributed to abnormal and delayed keratinization. It poses no medical threat. A 40-year-old male patient presented to the Department of Dermatology with a 2-3 month history of persistent pigmented patches on both upper arms. The lesions were not associated with itching or burning sensation. He gives no history of exacerbation on exposure to the sun.

  16. Procurement with specialized firms

    NARCIS (Netherlands)

    Boone, Jan; Schottmuller, C.

    2016-01-01

    We analyze optimal procurement mechanisms when firms are specialized. The procurement agency has incomplete information concerning the firms' cost functions and values high quality as well as low price. Lower type firms are cheaper (more expensive) than higher type firms when providing low (high)

  17. Firm size and taxes

    OpenAIRE

    Chongvilaivan, Aekapol; Jinjarak, Yothin

    2010-01-01

    The scale dependence in firm growth (smaller firms grow faster) is systematically reflected in the size distribution. This paper studies whether taxes affect the equilibrium firm size distribution in a cross-country context. The main finding is that the empirical association between firm growth and corporate tax (VAT) is positive (negative), with notable differences in the response of manufacturing firms and that of the others. We draw implications for recent debate on the impact of taxes and...

  18. Recovery of thorium and rare earths by their peroxides precipitation from a residue produced in the thorium purification facility; Recuperacao de torio e terras raras via peroxido do residuo originado na unidade de purificacao de torio

    Energy Technology Data Exchange (ETDEWEB)

    Freitas, Antonio Alves de

    2008-07-01

    As consequence of the operation of a Thorium purification facility, for pure Thorium Nitrate production, the IPEN (Instituto de Pesquisas Energeticas e Nucleares) has stored away a solid residue called RETOTER (REsiduo de TOrio e TErras Raras). The RETOTER is rich in Rare-Earth Elements and significant amount of Thorium-232 and minor amount of Uranium. Furthermore it contains several radionuclides from the natural decay series. Significant radioactivity contribution is generated by the Thorium descendent, mainly the Radium-228(T{sub 1/2}=5.7y), known as meso thorium and Thorium-228(T{sub 1/2} 1.90y). An important thorium daughter is the Lead-208, a stable isotope present with an expressive quantity. After the enclosure of the operation of the Thorium purification facility, many researches have been developed for the establishment of methodologies for recovery of Thorium, Rare-Earth Elements and Lead-208 from the RETOTER. This work presents a method for RETOTER decontamination, separating and bordering upon some radioactive isotopes. The residue was digested with nitric acid and the Radium-228 was separated by the Barium Sulphate co-precipitation procedure. Finally, the Thorium was separated by the peroxide precipitation and the Rare-Earth Elements were also recovered by the Rare-Earth peroxide precipitation in the filtrate solution.(author)

  19. Foreign Firms, Domestic Wages

    DEFF Research Database (Denmark)

    Malchow-Møller, Nikolaj; Markusen, James R.; Schjerning, Bertel

    to the firm?s productivity. Foreign-owned firms have, on average, higher productivity in equilibrium due to entry costs, which means that low-productivity foreign firms cannot enter. Foreign firms have higher wage growth and, with some exceptions, pay higher average wages, but not when compared to similarly...... large domestic firms. The empirical implications of the model are tested on matched employer-employee data from Denmark. Consistent with the theory, we find considerable evidence of higher wages and wage growth in large and/or foreign-owned firms. These effects survive controlling for individual...... characteristics, but, as expected, are reduced significantly when controlling for unobservable firm heterogeneity. Furthermore, acquired skills in foreign-owned and large firms appear to be transferable to both subsequent wage work and self-employment...

  1. Optimalizace uspořádání lisovací linky na výrobu reflektorů ve firmě Automotive Lighting

    OpenAIRE

    Šťastný, Michal

    2012-01-01

    Diplomová práce se zabývá optimalizací uspořádání části lisovací linky na výrobu reflektorů ve společnosti Automotive Lighting s.r.o., Jihlava. První část je zaměřena na popis stávajícího stavu uspořádání pracovišť lisovací linky, které jsou nevhodně rozmístěny a vyžadují tak větší počet operátorů a značný objem manuálních prací. Ve druhé části jsou navrženy varianty řešení rozmístění vstřikovacích lisů a dalších strojních prvků. Současně je navržena plynulejší návaznost lisovací linky na nás...

  2. Etnopedologia e transferência de conhecimento: diálogos entre os saberes indígena e técnico na Terra Indígena Malacacheta, Roraima Ethnopedology and knowledge transfer: dialogue between indians and soil scientists in the Malacacheta Indian Territory, Roraima, Amazon

    Directory of Open Access Journals (Sweden)

    José Frutuoso do Vale Jr.

    2007-04-01

    Full Text Available O conhecimento indígena sobre a pedodiversidade é o objeto principal da etnopedologia. Nesse sentido, a tradição agrícola e cultural dos índios Uapixana, do tronco lingüístico Aruaque, em Roraima, constitui relevante acervo imaterial de valor etnocientífico, sendo valorizada pela Universidade Federal de Roraima em seus cursos superiores de Educação Indígena no Estado. Neste trabalho confrontou-se a experiência etnopedológica dos índios Uapixana com o Sistema Brasileiro de Classificação de Solos, durante o levantamento de solos da Terra Indígena (TI Malacacheta. O sistema de classificação etnopedológica existente na comunidade indígena Uapixana da TI Malacacheta identifica e separa todos os principais compartimentos ambientais de ocorrência na área, permitindo relacionar aspectos de simples percepção e identificação (cor, textura, profundidade, vegetação com aspectos cognoscíveis (uso, tipo de cultivo, vocação, etc.. Os índios Uapixana identificam e classificam oito tipos básicos de solos, que ocorrem individualmente ou formando associações: Imii Wyzda'u (Terra Amarelada, Imii Wyza'u (Terra Vermelha, Imii Pudiidiu (Terra Preta, Imii Pudiidiza'u (Terra Roxa, Katy Bara Pudiidiu (Barro Arenoso, Imii Kaxidia'u (Estopa Preta, Imii Katy Bara Pudiidiu Naik Baraka'u (Terra Arenosa Preta e Branca e Imii Wyzadaza'u Rik Pudiidiu (Miscelânea de Terra Amarela, Roxa e afloramentos de rocha, abordando características morfológicas, físicas e químicas e as principais limitações quanto ao uso agrícola. Há relação evidente entre a dimensão do saber etnopedológico o saber etnoecológico, em sentido amplo. A experiência etnopedológica representa, assim, a extensão de uma abrangente cadeia de inter-relações homem-meio, dentro do princípio universal da ecologia humana da paisagem. O diálogo etnopedológico travado entre a comunidade indígena e os pedólogos trouxe contribuições muito relevantes e mutuamente

  3. Essays on Family Firms

    OpenAIRE

    Zhou, Haoyong

    2012-01-01

    The dissertation examines corporate performance and capital structure of family firms, contributing to the limited empirical research on family firms. Family firms are prevalent in national economies all over the world. It is the prevalence that makes family firms receive increasing attentions from academia. The dissertation consists of an introduction and three chapters. Each chapter is an independent paper. The first chapter is a joint work with Professor Morten Bennedsen and...

  4. Transformation of Manufacturing Firms to Servitisation Firms

    DEFF Research Database (Denmark)

    Lin, Chih-Cheng; Ma, Zheng; Tanev, Stoyan

    2014-01-01

    It is crucial for the manufacturing SMEs to reconsider their business strategy in order to be able to launch customer-centric solutions. This ability is associated with a paradigm shift from a product-orientation to service-orientation. One of the major challenges to success in transforming...... a traditional manufacturing firm to service-oriented firms is the conspicuous lack of publications in this research stream. Applying a case study research approach, this study explores the transformation model for manufacturing SMEs to servitisation firms by adopting a network approach, and reveals...

  5. Performance of Patenting Firms

    DEFF Research Database (Denmark)

    Madsen, Erik Strøjer; Smith, Valdemar; Nielsen, Anders Østergaard

    2000-01-01

    Most countries focus on industries with high technology and the governments grant subsidies to innovating firms. However, there has been remarkable few studies of the performance of innovative firms or industries. This study examines the performance of patent active firms compared to the non-patenting...... firms within the manufacturing sector in Denmark. Performance is measured both by growth in employment as well as in the return on equity and profit share in turnover. The results suggest that differences in performance of patenting and non-patenting firms are very small, which questions the political...

  6. The Terra Data Fusion Project: An Update

    Science.gov (United States)

    Di Girolamo, L.; Bansal, S.; Butler, M.; Fu, D.; Gao, Y.; Lee, H. J.; Liu, Y.; Lo, Y. L.; Raila, D.; Turner, K.; Towns, J.; Wang, S. W.; Yang, K.; Zhao, G.

    2017-12-01

    Terra is the flagship of NASA's Earth Observing System. Launched in 1999, Terra's five instruments continue to gather data that enable scientists to address fundamental Earth science questions. By design, the strength of the Terra mission has always been rooted in its five instruments and the ability to fuse the instrument data together for obtaining greater quality of information for Earth Science compared to individual instruments alone. As the data volume grows and the central Earth Science questions move towards problems requiring decadal-scale data records, the need for data fusion and the ability for scientists to perform large-scale analytics with long records have never been greater. The challenge is particularly acute for Terra, given its growing volume of data (> 1 petabyte), the storage of different instrument data at different archive centers, the different file formats and projection systems employed for different instrument data, and the inadequate cyberinfrastructure for scientists to access and process whole-mission fusion data (including Level 1 data). Sharing newly derived Terra products with the rest of the world also poses challenges. As such, the Terra Data Fusion Project aims to resolve two long-standing problems: 1) How do we efficiently generate and deliver Terra data fusion products? 2) How do we facilitate the use of Terra data fusion products by the community in generating new products and knowledge through national computing facilities, and disseminate these new products and knowledge through national data sharing services? Here, we will provide an update on significant progress made in addressing these problems by working with NASA and leveraging national facilities managed by the National Center for Supercomputing Applications (NCSA). The problems that we faced in deriving and delivering Terra L1B2 basic, reprojected and cloud-element fusion products, such as data transfer, data fusion, processing on different computer architectures

  7. Terra Reversa. The transition to fair sustainability

    International Nuclear Information System (INIS)

    Jones, P.T.; De Meyere, V.

    2009-01-01

    Terra Reversa tells how to reverse present policy by means of integrating transition management and the 4E-model (Energy-Economy-Environment-Engineering) into a new vision for the transition to a socially fair, ecologically sustainable and economically stable model for our society. The question is whether one is willing to leave the beaten path. Terra Reversa is an argument to opt for a Green New Deal XL (a number of proposals to combat climate change) [nl

  8. Inter-firm and intra-firm efficiency measures

    NARCIS (Netherlands)

    Oude Lansink, A.G.J.M.; Silva, E.; Stefanou, S.

    2001-01-01

    Intra-firm efficiency involves computing a particular firm's efficiency degree over time relative to the firm-specific production frontier. Inter-firm efficiency reveals a particular firm's performance over time relative to the ``best practice frontier'' among the set of comparable firms. These

  9. AVALIAÇÃO TEMPORAL DE VARIÁVEIS LIMNOLÓGICAS DO RESERVATÓRIO RODOLFO COSTA E SILVA - RS, E O USO DA TERRA NA ÁREA DE CAPTAÇÃO

    OpenAIRE

    Sergio Celestino de Bona Sartor

    2008-01-01

    A relação do homem com o ambiente, inicialmente, ocorre de forma natural. Passado algum tempo, há um acelerado crescimento populacional e surgem novas tecnologias, que intensificam as atividades antrópicas tanto no ambiente terrestre quanto no aquático, impondo assim, desequilíbrio na relação homem-natureza. Desse modo, quantitativa e qualitativamente, a água no planeta encontra-se em risco devido à poluição. Por isso, a conservação dos recursos hídricos é uma preocupação crescente dos órg...

  10. Momento de colheita e períodos de armazenamento omento no rendimento industrial e na qualidade fisiológica do arroz de terras altas = Harvest time and storage period for the industrial revenue and physiological seed quality of upland rice

    Directory of Open Access Journals (Sweden)

    Flávio Ferreira da Silva Binotti

    2007-04-01

    Full Text Available As etapas de colheita e de pós-colheita são de grande importância na cultura do arroz. O objetivo deste trabalho foi avaliar o efeito do momento de colheita e o período de armazenamento na qualidade industrial e fisiológica de sementes e na produtividade do arroz de terras altas irrigado. O experimento foi conduzido no ano agrícola de 2002/03, no município de Selvíria, Estado do Mato Grosso do Sul. Utilizou-se o delineamento experimental de blocos casualizados, com 7 tratamentos constituídos por diferentes épocas de colheita (18, 20, 22, 24, 26, 28 e 30 DAF - dias após o florescimento médio, com 4repetições. O material colhido foi posteriormente armazenado por até 12 meses. Avaliaramse características produtivas, fisiológicas e industriais (0, 6 e 12 meses. Concluiu-se que a cultivar BRS - Talento colhido por volta dos 28 DAF, proporcionou maior produtividade e melhores qualidades industriais entre 24 e 26 DAF; a época de colheita não interferiu na qualidade fisiológica das sementes; o armazenamento (12 meses diminuiu a qualidade industrial e fisiológica, entretanto a sementes estão adequadas para semeadura.The stages of harvest and post-harvest are of great importance in the rice crop. The objective of this work was to evaluate the effect ofharvest time and storage period for the industrial, physiological seed quality and yield of irrigated upland rice. The study was carried out in 2002/03, in Selvíria county (state of Mato Grosso do Sul. The study was conducted in a randomized block design with seventreatments constituted by different harvest times (18, 20, 22, 24, 26, 28 and 30 DAF - days after flowering, with four replications. The harvested material was further stored for 12 months. Productive, physiologic and industrial characteristics were evaluated (0, 6 and 12months. The BRS - Talent harvested about 28 DAF provided larger revenue of grains; better industrial quality was reached among 24 to 26 DAF; harvest period

  11. Teores de silício no solo e na planta de arroz de terras altas com diferentes doses de adubação silicatada e nitrogenada Silicon contents in soil and in highland rice plants under different doses of silicon and nitrogen fertilization

    Directory of Open Access Journals (Sweden)

    M. Mauad

    2003-10-01

    Full Text Available O Si não é elemento essencial para o crescimento e desenvolvimento das plantas, porém sua absorção pode trazer inúmeros benefícios para culturas acumuladoras de Si, como o arroz. Entretanto, considerando o avançado grau de intemperização em que se encontram os solos tropicais, os teores de Si disponível nestes solos são baixos. O objetivo deste trabalho foi avaliar, na cultura do arroz de terras altas sob condições de túnel plástico, o efeito de doses de Si e de N na produção de matéria seca, na produtividade de grãos, no teor de N, nos teores de Si no solo e na planta e na quantidade de Si extraído do solo. Os tratamentos foram constituídos por três doses de N (5, 75 e 150 mg kg-1 de N, tendo como fonte a uréia e quatro doses de Si (0, 200, 400 e 600 mg kg-1 de SiO2 tendo como fonte o silicato de cálcio (Wollastonita. O delineamento experimental utilizado foi inteiramente casualizado com esquema fatorial 3 x 4, com cinco repetições. O acúmulo de matéria seca, a produtividade de grãos e os teores de N na planta não foram influenciados pelas doses de Si. O incremento da adubação nitrogenada aumentou a produção de matéria seca, a produtividade de grãos e o teor de N na planta, porém nenhum efeito foi encontrado para os teores de Si no solo. Houve interação N x Si para os teores de Si na planta e para a quantidade de Si acumulado pelas plantas.The element Silicon is not deemed essential for plant growth and development, but its absorption can benefit cumulative cultures like rice greatly. The Si content of tropical soils, however, is very low, due to the advanced weathering degree. The objective of this work was to evaluate the growth of rice plants in highlands under plastic tunnels and the effects of nitrogen (N and Si doses on dry matter production, grain productivity, N content; Si soil and plant contents; and on the amount of extracted silicon. The treatments consisted of three doses of N (5, 75, and 150

  12. Dos mares do Japão às Terras Brasileiras: Algumas considerações sobre o Brasil, a imigração japonesa e sua influência na agricultura

    Directory of Open Access Journals (Sweden)

    Gil Vicente Nagai Lourenção

    2015-07-01

    Full Text Available Este artigo trata da presença japonesa na agricultura brasileirae oferece uma síntese da imigração japonesa e alguns númerosa respeito. Ele traz o contexto de inicio da imigração e interessesvinculados do ponto de vista brasileiro. Em segundo, apresentafatos notórios em relação a imigração. Em terceiro, traz informações sobre ascolônias pioneiras relacionando os locais e principais produções e, por fim, os projetos conjuntos desenvolvidos no Brasil com apoio do Japão. Em suma, trata-se de um pequenoresumo das principais colaborações e projetos realizados pelo Japão em território Brasileiro.

  13. Gender Segregation Small Firms

    OpenAIRE

    Kenneth R Troske; William J Carrington

    1992-01-01

    This paper studies interfirm gender segregation in a unique sample of small employers. We focus on small firms because previous research on interfirm segregation has studied only large firms and because it is easier to link the demographic characteristics of employers and employees in small firms. This latter feature permits an assessment of the role of employer discrimination in creating gender segregation. Our first finding is that interfirm segregation is prevalent among small employers. I...

  14. Thermodynamics of firms' growth

    Science.gov (United States)

    Zambrano, Eduardo; Hernando, Alberto; Hernando, Ricardo; Plastino, Angelo

    2015-01-01

    The distribution of firms' growth and firms' sizes is a topic under intense scrutiny. In this paper, we show that a thermodynamic model based on the maximum entropy principle, with dynamical prior information, can be constructed that adequately describes the dynamics and distribution of firms' growth. Our theoretical framework is tested against a comprehensive database of Spanish firms, which covers, to a very large extent, Spain's economic activity, with a total of 1 155 142 firms evolving along a full decade. We show that the empirical exponent of Pareto's law, a rule often observed in the rank distribution of large-size firms, is explained by the capacity of economic system for creating/destroying firms, and that can be used to measure the health of a capitalist-based economy. Indeed, our model predicts that when the exponent is larger than 1, creation of firms is favoured; when it is smaller than 1, destruction of firms is favoured instead; and when it equals 1 (matching Zipf's law), the system is in a full macroeconomic equilibrium, entailing ‘free’ creation and/or destruction of firms. For medium and smaller firm sizes, the dynamical regime changes, the whole distribution can no longer be fitted to a single simple analytical form and numerical prediction is required. Our model constitutes the basis for a full predictive framework regarding the economic evolution of an ensemble of firms. Such a structure can be potentially used to develop simulations and test hypothetical scenarios, such as economic crisis or the response to specific policy measures. PMID:26510828

  15. Capital market financing, firm growth, and firm size distribution

    OpenAIRE

    Didier Brandao,Tatiana; Levine,Ross Eric; Schmukler,Sergio L.

    2015-01-01

    How many and which firms issue equity and bonds in domestic and international markets, how do these firms grow relative to non-issuing firms, and how does firm performance vary along the firm size distribution? To evaluate these questions, a new data set is constructed by matching data on firm-level capital raising activity with balance sheet data for 45,527 listed firms in 51 countries. T...

  16. Dos horrores do inferno na terra: breves notas sobre a construção social de um turismo em conflito com as forças religiosas francesas em um município da Serra Gaúcha

    Directory of Open Access Journals (Sweden)

    Itamar Ferretto Comarú

    2015-12-01

    Full Text Available O estudo analisa o campo turístico e social de Veranópolis/RS. Sobre sua população os sacerdotes praticavam um olhar vigilante, avaliando com atenção as mudanças que se produziam numa sociedade em ebulição, temendo sobremaneira o contato entre visitantes e visitados. Ali, o turismo estilhaçou a ordem estabelecida, perturbou as tradições, abalou os costumes ali existentes, rompeu com a confortável rotina. Entretanto, a semente da natureza enquanto atrativo turístico estava sendo preparada, valorizada inclusive pelos próprios sacerdotes. Assim, quando germina, o turismo local passa a ter um novo caminho, uma manobra astuciosa, que constrói um modelo moderno, até então não existente na cidade, afastando-se dos homens e suas construções culturais, passando a construir uma atividade onde a natureza estaria ao centro de um potente discurso total. Este ato transformador será posto em prática na década de 1950, mas apresentará um claro efeito colateral: o esquecimento da cidade e seus atrativos culturais. Todavia, a localidade não se metamorfoseava somente em seus costumes, que pareciam testados a todo o momento. A materialidade urbana, igualmente, passava por um veloz processo de ruptura entre antigo e moderno, sendo devorada pela aparente necessidade de se constituir uma imagem renovada da cidade, distanciando-se da antiga representação colonial. Ruiria ela também, tempos depois, seguindo as tendências padronizadas, impostas pelo capitalismo imobiliário. Em meio a esse processo, a cidade é renomeada, edificando-se uma nova identidade. Surge a Cidade Veraneio. A soma desses fatores levará ao contemporâneo distanciamento entre turismo e espaço urbano, contrapondo-se à valorização turística da natureza ali existente.

  17. The Earth Observing System Terra Mission

    Science.gov (United States)

    Kaufman, Yoram J.; Einaudi, Franco (Technical Monitor)

    2000-01-01

    Langley's remarkable solar and lunar spectra collected from Mt. Whitney inspired Arrhenius to develop the first quantitative climate model in 1896. After the launch in Dec. 16 1999, NASA's Earth Observing AM Satellite (EOS-Terra) will repeat Langley's experiment, but for the entire planet, thus pioneering a wide array of calibrated spectral observations from space of the Earth System. Conceived in response to real environmental problems, EOS-Terra, in conjunction with other international satellite efforts, will fill a major gap in current efforts by providing quantitative global data sets with a resolution better than 1 km on the physical, chemical and biological elements of the earth system. Thus, like Langley's data, EOS-Terra can revolutionize climate research by inspiring a new generation of climate system models and enable us to assess the human impact on the environment. In the talk I shall review the historical perspective of the Terra mission and the key new elements of the mission. We expect to have first images that demonstrate the most innovative capability from EOS Terra 5 instruments: MODIS - 1.37 micron cirrus cloud channel; 250m daily coverage for clouds and vegetation change; 7 solar channels for land and aerosol studies; new fire channels; Chlorophyll fluorescence; MISR - first 9 multi angle views of clouds and vegetation; MOPITT - first global CO maps and C114 maps; ASTER - Thermal channels for geological studies with 15-90 m resolution.

  18. Strong Firms Lobby, Weak Firms Bribe

    DEFF Research Database (Denmark)

    Bennedsen, Morten; Feldmann, Sven E.; Lassen, David Dreyer

    that are larger, older, exporting, government-owned, are widely held and/or have fewer competitors, have more political influence, perceive corruption to be less of a problem and pay bribes less often; (c) influence increases sales and government subsidies and in general makes the firm have a more positive view...

  19. Intestinal parasites and commensals among individuals from a landless camping in the rural area of Uberlândia, Minas Gerais, Brazil Parasitos e comensais intestinais entre indivíduos de um acampamento de sem-terras na área rural de Uberlândia, Minas Gerais, Brasil

    Directory of Open Access Journals (Sweden)

    Maria Cecília Oliveira

    2003-06-01

    Full Text Available We evaluated the occurrence of intestinal parasites and commensals among children and adults from a landless camping in the rural area of Uberlândia, State of Minas Gerais, Brazil, from October to November 2001. Stool samples from 78 individuals were examined by both the Baermann-Moraes and Lutz methods. Fifty-one (65.4%; CI 54.8 - 76.0 individuals were found to be infected, 23 (45.1% children and 28 (54.9% adults, of whom 34 (66.7% were mono-infected, 9 (17.6% bi-infected, and 8 (15.7% poly-infected. In conclusion, the high prevalence of intestinal parasites and commensals suggests that parasitological exams should be periodically carried out in addition to the sanitation education and health special care in this population.Avaliou-se a ocorrência de parasitos e comensais intestinais entre crianças e adultos de um acampamento de sem-terras na área rural de Uberlândia, Minas Gerais, Brasil, no período de outubro a novembro de 2001. Amostras de fezes dos 78 indivíduos foram examinadas pelos métodos de Baermann-Moraes e Lutz. Cinqüenta e um (65,4%; IC 54.8 - 76.0 indivíduos estavam infectados, 23 (45,1% crianças e 28 (54,9% adultos, dos quais 34 (66,7% estavam monoparasitados, 9 (17,6% biparasitados e 8 (15,7% poliparasitados. A elevada ocorrência de parasitos e comensais intestinais aponta para a necessidade da realização de exames parasitológicos periódicos, educação sanitária e acompanhamento das condições de saúde desta população.

  20. Foreign Firms, Domestic Wages

    DEFF Research Database (Denmark)

    Malchow-Møller, Nikolaj; Schjerning, Bertel; R. Markusen, James

    2013-01-01

    Three types of theories have been used to explain the wage premium in foreign firms: the theories of heterogeneous workers, heterogeneous learning, and heterogeneous firms. We set up a model that explicitly encompasses two of these theories, and that can illustrate the third. This unifying...

  1. The market for firms

    DEFF Research Database (Denmark)

    Davis, Jerome Dean; Keiding, Hans

    2010-01-01

    and as a consequence a higher sales value of the firm. Buyers take this signaling into consideration, but irrespective of their countermoves, the equilib- rium result may be a lowering of ex ante product prices, and an ex post market overvaluation of the firm. This model is utilized to suggest possible explanations...

  2. Procurement with Specialized Firms

    NARCIS (Netherlands)

    Boone, J.; Schottmuller, C.

    2011-01-01

    This paper analyzes optimal procurement mechanisms in a setting where the procurement agency has incomplete information concerning the firms’ cost functions and cares about quality as well as price. Low type firms are cheaper than high type firms in providing low quality but more expensive when

  3. Location of New Firms

    DEFF Research Database (Denmark)

    Backman, Mikaela; Karlsson, Charlie

    2017-01-01

    characteristics, such as the commuting experience. Our results show that commuting influences the firm location choice. The probability of establishing a firm in the work municipality increases if the entrepreneur is a commuter, holding constant the type of region and unobservable and observable individual...

  4. Terra - the Earth Observing System flagship observatory

    Science.gov (United States)

    Thome, K. J.

    2013-12-01

    The Terra platform enters its teenage years with an array of accomplishments but also with the potential to do much more. Efforts continue to extend the Terra data record to build upon its array of accomplishments and make its data more valuable by creating a record length that allows examination of inter annual variability, observe trends on the decadal scale, and gather statistics relevant to the define climate metrics. Continued data from Terra's complementary instruments will play a key role in creating the data record needed for scientists to develop an understanding of our climate system. Terra's suite of instruments: ASTER (contributed by the Japanese Ministry of Economy and Trade and Industry with a JPL-led US Science Team), CERES (NASA LaRC - PI), MISR (JPL - PI), MODIS (NASA GSFC), and MOPITT (sponsored by Canadian Space Agency with NCAR-led Science Team) are providing an unprecedented 81 core data products. The annual demand for Terra data remains with >120 million files distributed in 2011 and >157 million in 2012. More than 1,100 peer-reviewed publications appeared in 2012 using Terra data bringing the lifetime total >7,600. Citation numbers of 21,000 for 2012 and over 100,000 for the mission's lifetime. The broad range of products enable the community to provide answers to the overarching question, 'How is the Earth changing and what are the consequences for life on Earth?' Terra continues to provide data that: (1) Extend the baseline of morning-orbit collections; (2) Enable comparison of measurements acquired from past high-impact events; (3) Add value to recently-launched and soon-to-be launched missions, and upcoming field programs. Terra data continue to support monitoring and relief efforts for natural and man-made disasters that involve U.S. interests. Terra also contributes to Applications Focus Areas supporting the U.S. National Objectives for agriculture, air quality, climate, disaster management, ecological forecasting, public health, water

  5. Land use and land change dynamic analysis in southeast region of Roraima – Amazonia= Análise da dinâmica das conversões de uso e cobertura da terra na região sudeste de Roraima - Amazônia

    Directory of Open Access Journals (Sweden)

    Maristela Ramalho Xaud

    2016-02-01

    Full Text Available Studying the dynamics of land use and land cover is of great relevance in understanding processes involving the occupation and consolidation of territory in the Amazon region. Remote sensing and its dataanalysis tools, such as techniques for detecting change, have high exploratory potential in quantifying and qualifying land use and land cover, as well as the processes of conversion and modification. The aim of this study was to analyse the dynamics of the changes in land use and the current land cover in already modified areas in the southeast of the State of Roraima, for the periods of 1997-2004 and 2004-2010. Conversions (groupings were analysed for settlement project and road distance (BR-210 and local. The results pointed out differences between the periods under analysis for the presence of change, characterising the period of 1997- 2004 as of intense activity in clearing forested areas in relation to the following period, when changes linked to previous land use predominated. The results showed a concentration of conversions by road distance, for up to 1500 m from the roads, resulting in increased loss of biomass in the most distant areas from one period to another, and suggests that this type of conversion was occurring on private property, a fact confirmed in field interviews. From one period to another, the increase in conversions from forest to pasture in two projects (Entre Rios and Caroebe may show a tendency towards increased farming activity in the region. = O estudo da dinâmica do uso e cobertura da terra tem relevância no entendimento dos processos que envolvem a ocupação e consolidação do território na região amazônica. O sensoriamento remoto e suas ferramentas de análise de dados, como as técnicas de detecção de mudanças, têm elevado potencial exploratório na quantificação e qualificação do uso e cobertura da terra, assim como dos seus processos de conversão e modificação. Objetivou-se com o presente

  6. 1920, a Invasão dos Veranistas e o Inferno na Terra: Notas sobre s Construção e a Desconstrução do Turismo em Município da Serra Gaúcha

    Directory of Open Access Journals (Sweden)

    Itamar Ferretto Comarú

    2014-07-01

    Full Text Available O estudo analisa o campo turístico e social na cidade de Veranópolis, RS, sob o viés de sua historiografia, buscando dados em pesquisa documental e entrevistas. Constata-se que, sobre sua população, a igreja católica praticava um olhar vigilante, avaliando com atenção as mudanças que se produziam numa sociedade em ebulição, temendo, sobremaneira, o contato entre visitantes e visitados. Todavia, a cidade não se metamorfoseava somente em seus costumes, que pareciam testados a todo o momento. A materialidade urbana, igualmente, passava por um veloz processo de ruptura entre antigo e moderno, sendo devorada pela aparente necessidade de se constituir uma imagem renovada da cidade, distanciando-se da antiga representação colonial. Ruiria ela também, tempos depois, seguindo as tendências padronizadas, impostas pelo capitalismo imobiliário. Em meio a esse processo, a cidade é renomeada, edificando-se uma nova identidade. Surge a Cidade Veraneio. A soma desses fatores levará ao contemporâneo distanciamento entre turismo e espaço urbano, contrapondo-se à valorização turística da natureza ali existente.   1920: Invasion of Vacationers and Hell on Earth: Notes on Construction and Deconstruction of Tourism in the Municipality of Serra Gaucha - The study analyzes the tourism in the city Veranopolis, RS, under the bias of its historiography, seeking information on documental research and interviews. It is verified that the Catholic Church practiced a vigilant eye on their population, carefully evaluating the changes that took place in local society, especially fearing the contact between tourists and locals. This did not prevent changes in place. The urban structure also went through the process of rupture between ancient and modern and the need to establish a new image of the city, different from that characterized colonial representation. The changes began to be imposed by the capitalism and civil construction. The name of the city

  7. Terra Nova breaks new ground for alliances

    International Nuclear Information System (INIS)

    Ghiselin, D.

    1996-01-01

    This paper reviews the development of alliances to help develop the Terra Nova oil and gas field in the offshore Atlantic areas of Canada. Largely attributed to BP, the strategic alliance concept got its start in the North Sea and on the North Slope of Alaska. BP saw it as the best way to take advantage of economy-of-scale, mitigate risk, and achieve outsourcing goals while retaining their core competencies. This paper reviews the methods of developing the alliances, the developing of a development plan for the Terra Nova field, and how the alliance plans to maximize the profittability of the operation for all involved

  8. Firming Up Inequality

    OpenAIRE

    Jae Song; David J. Price; Fatih Guvenen; Nicholas Bloom; Till von Wachter

    2015-01-01

    Earnings inequality in the United States has increased rapidly over the last three decades, but little is known about the role of firms in this trend. For example, how much of the rise in earnings inequality can be attributed to rising dispersion between firms in the average wages they pay, and how much is due to rising wage dispersion among workers within firms? Similarly, how did rising inequality affect the wage earnings of different types of workers working for the same employer—men vs. w...

  9. ULF fluctuations at Terra Nova Bay (Antarctica

    Directory of Open Access Journals (Sweden)

    A. Meloni

    2000-06-01

    Full Text Available ULF geomagnetic field measurements in Antarctica are a very important tool for better understanding the dynamics of the Earth’s magnetosphere and its response to the variable solar wind conditions. We review the results obtained in the last few years at the Italian observatory at Terra Nova Bay

  10. TerraPower, Bill Gates' reactor

    International Nuclear Information System (INIS)

    Guidez, J.

    2016-01-01

    TerraPower is a traveling wave reactor, it means that the reactor gradually converts non fissile material into the fuel it needs and the active part of the core progressively moves through the core leaving spent fuel behind. The last design of the TerraPower shows that it will use depleted uranium as fuel and that its core will need reloading every 10 years. Re-arrangement of the nuclear fuel will have to be made every 18 months to keep the core reactive. Metallic nuclear fuels will be used as they allow the highest breeding rates. It appears that apart from the very specific configuration of the core, the TerraPower is a reactor very similar to sodium-cooled fast reactors. Neutron transport inside traveling wave reactor core is complex and simulations show that the piling-up of fission product tends to kill the chain reaction and a continuous neutron addition may be necessary to keep the reactor going. A large part of the TerraPower feasibility studies concerns neutron transport inside its core. (A.C.)

  11. Urihi A: A Terra-Floresta Yanomami

    Directory of Open Access Journals (Sweden)

    James R. Welch

    2010-08-01

    Full Text Available Review of Urihi A: A Terra-Floresta Yanomami. Bruce Albert and William Milliken with Gale Goodwin Gomez. São Paulo: Instituto Socioambiental, 2009. 207 pp., illustrations, tables, bibliography, appendices, index. Paperback ISBN: 978‐85 85994‐72‐3.

  12. Global Sourcing and Firm Selection

    DEFF Research Database (Denmark)

    Kohler, Wilhelm; Smolka, Marcel

    2014-01-01

    We analyze the sourcing strategies of firms active in the Spanish manufacturing sector. We show that firms that select strategies of vertical integration and of foreign sourcing ex post tend to have been more productive, ex ante, than other firms.......We analyze the sourcing strategies of firms active in the Spanish manufacturing sector. We show that firms that select strategies of vertical integration and of foreign sourcing ex post tend to have been more productive, ex ante, than other firms....

  13. Exílio e diáspora nas personagens de ficção Paulo Martins (Terra em transe) e Paco (Terra estrangeira)

    OpenAIRE

    Soares, Paulo Marcondes Ferreira; UFPE

    2014-01-01

    O estudo centra-se em aspectos dados às configurações das personagens Paulo Martins, do filme Terra em transe (Glauber Rocha, 1967), e Paco, do filme Terra estrangeira (Walter Salles e Daniela Thomas, 1996), relativamente às dimensões identitárias, políticas e de contextualidade (tempo diegético e espaço diegético) vividas por essas personagens na sociedade interna dos filmes vis a vis às dimensões culturais e identitárias, mas, também, políticas e contextuais em que tais películas foram prod...

  14. Firms, crowds, and innovation.

    Science.gov (United States)

    Felin, Teppo; Lakhani, Karim R; Tushman, Michael L

    2017-05-01

    The purpose of this article is to suggest a (preliminary) taxonomy and research agenda for the topic of "firms, crowds, and innovation" and to provide an introduction to the associated special issue. We specifically discuss how various crowd-related phenomena and practices-for example, crowdsourcing, crowdfunding, user innovation, and peer production-relate to theories of the firm, with particular attention on "sociality" in firms and markets. We first briefly review extant theories of the firm and then discuss three theoretical aspects of sociality related to crowds in the context of strategy, organizations, and innovation: (1) the functions of sociality (sociality as extension of rationality, sociality as sensing and signaling, sociality as matching and identity), (2) the forms of sociality (independent/aggregate and interacting/emergent forms of sociality), and (3) the failures of sociality (misattribution and misapplication). We conclude with an outline of future research directions and introduce the special issue papers and essays.

  15. Collaborative Communities of Firms

    DEFF Research Database (Denmark)

    2011-01-01

    and developing strategic initiatives that aid the community as a whole. We discuss the facilitator role of the shared services provider, contrasting it with the coordinator role found in other multi-firm organizations, and we show how shared services providers function by describing three examples...... is an organizational model called the collaborative community of firms. This chapter addresses an important organizational role in a collaborative community, that of the shared services provider. The shared services provider acts as a facilitator in the community, helping member firms collaborate with one another...... of collaborative communities of firms from different sectors: the U.S.-based Blade.org and two Denmark-based communities, the Kalundborg Industrial Symbiosis and MG50. Implications for the theory and practice of organization design are discussed....

  16. Foreign Firms, Domestic Wages

    DEFF Research Database (Denmark)

    Malchow-Møller, Nikolaj; Markusen, James R.; Schjerning, Bertel

    Many papers have documented a wage premium in foreign-owned and large firms. However, there is very little formal theory in the literature and empirical analyses are typically not based on hypotheses which are rigorously derived from theory. This paper contributes to the theory-empirics gap...... by developing a model that allows for two "pure" explanations for the wage premium. The first is a heterogenous-worker explanation along the lines of Yeaple (2005), where firms that select more scaleintensive technologies select ex-ante more productive workers. In this case, the wage premium is a pure selection...... phenomenon. The second explanation builds on the heterogeneous-firm model of Melitz (2003) combined with on-the-job learning as in Markusen (2001). Productivity differences between firms are internalized by ex-ante homogeneous workers, so the wage premium is a pure learning phenomenon due to ex-post higher...

  17. Entrepreneurship and the Firm

    DEFF Research Database (Denmark)

    Foss, Nicolai Juul; Klein, Peter G.

    While characteristically "Austrian" themes such as entrepreneurship, economic calculation, tacit knowledge and the temporal structure of capital are clearly relevant to the business firm, Austrian economists have said relatively little about management, organization and strategy. This work features...

  18. Corruption and firm behavior

    OpenAIRE

    Sandra Sequeira; Simeon Djankov

    2013-01-01

    This paper investigates how corruption affects firrm behavior. Firms can engage in two types of corruption when seeking a public service: cost-reducing "collusive" corruption and cost increasing "coercive" corruption. Using an original and unusually rich dataset on bribe payments at ports matched to firrm-level data, we observe how firms respond to each type of corruption by adjusting their shipping and sourcing strategies. "Collusive" corruption is associated with higher usage of the corrupt...

  19. Firms, Technology and Trade

    OpenAIRE

    Caldera Sanchez, Aida

    2010-01-01

    This doctoral dissertation studies the effect of economic integration on the performance of firms. The ongoing process of global economic integration has been characterized by dismantling of trade barriers and openness to foreign direct investments (FDI). These changes have not only brought opportunities to firms in terms of market access and the possibility to learn about foreign technologies brought in by foreign counterparts. The new economic environment has also posed new challenges throu...

  20. Supervision in Firms

    OpenAIRE

    Vafaï , Kouroche

    2012-01-01

    URL des Documents de travail : http://centredeconomiesorbonne.univ-paris1.fr/bandeau-haut/documents-de-travail/; Documents de travail du Centre d'Economie de la Sorbonne 2012.84 - ISSN : 1955-611X; To control, evaluate, and motivate their agents, firms employ supervisors. As shown by empirical investigations, biased evaluation by supervisors linked to collusion is a persistent feature of firms. This paper studies how deceptive supervision affects agency relationships. We consider a three-leve...

  1. Comparação de infiltração de água no solo mensurada em período seco e úmido, em diferentes usos da terra na bacia do arroio Boa Vista, Guamiranga, Paraná / Assessment of soil water infiltration measured during dry and wet seasons on different land uses in the Boa Vista Basin Stream, Guamiranga, Paraná, Brazil

    Directory of Open Access Journals (Sweden)

    Vademir Antoneli

    2009-08-01

    Full Text Available ResumoNeste estudo, é comparada a capacidade de infiltração de água no solo mensurada em período seco (agosto e úmido (dezembro. Os usos da terra onde foi mensurada a infiltração foram mapeados previamente (floresta com araucária, agricultura, erva-mate, reflorestamento, pastagem, capoeira e faxinal. A mensuração da infiltração foi feita através de infiltrômetro com anel duplo, sendo que, em cada uso, foram feitas oito repetições em cada período. Verificou-se que ocorreu diferença significativa na capacidade de infiltração de água no solo mensurada no período seco em comparação com o período úmido. As diferenças ocorreram tanto no volume total infiltrado, quanto na taxa de infiltração final. Dentre os usos mensurados, as áreas de pastagens apresentaram a menor capacidade de infiltração. Conclui-se que o padrão e a dinâmica do uso da terra (mosaico espacial, na bacia do arroio Boa Vista, são responsáveis por diferentes respostas na capacidade de infiltração de água. Por consequência, esperam-se também diferentes comportamentos hidro-erosivos em cada unidade de terra existente na bacia.AbstractThis article offers a comparison between the infiltration capacity of water in the soil measured during dry (August and wet (December seasons at the Boa Vista stream basin, in Guamiranga (Paraná State, South Brazil. The land uses there infiltration was measured were previously mapped and featured mixed Ombrophyla Forest, agriculture, Ilex paraguariensis plantations, reforestation, pasture, shrubs and “faxinal” (properties without fencing, whose owners share farming facilities. A double ring infiltrometer was used to measure water infiltration in the soil, with eight repetitions during each season. A significant difference was verified in the infiltration capacity when the soils measured during the dry period were compared with those measured during the wet period. Differences appeared both in the total

  2. Influência de lâminas de água e adubação mineral na nutrição e produtividade de arroz de terras altas Influence of water levels and mineral fertilization on nutrition and yield of upland rice

    Directory of Open Access Journals (Sweden)

    C. A. C. Crusciol

    2003-08-01

    Full Text Available Para recomendações de adubação mais racionais, é fundamental o conhecimento das exigências nutricionais da cultura do arroz, nos diversos sistemas de cultivo. Objetivando estudar a influência de lâminas de água na nutrição e exportação de nutrientes pelo arroz de terras altas, cultivar IAC 201, sob dois níveis de adubação, foram instalados experimentos em um Latossolo Vermelho distrófico, em Selvíria (MS, nos anos agrícolas de 1994/95 e 1995/96. O delineamento foi de blocos casualizados, com quatro repetições. Os tratamentos constituíram-se da precipitação natural e de quatro lâminas de água fornecidas por aspersão. A lâmina L2 foi baseada no coeficiente de cultura (Kc do arroz de terras altas. As lâminas L1 e L3 foram definidas como 0,5 e 1,5 vez os Kcs utilizados em L2, respectivamente, e na lâmina L4 foi adotado Kc = 1,95 durante todo o ciclo da cultura. Em 1995/96, foram utilizados os mesmos tratamentos em parcelas subdivididas, sendo as subparcelas constituídas por duas doses de adubação (AD1 - 12 kg ha-1 de N, 90 de P2O5 e 30 de K2O, e AD2 - 24 kg ha-1 de N, 180 de P2O5 e 60 de K2O. A menor disponibilidade de água durante a fase vegetativa e reprodutiva proporcionou redução na produção de matéria seca, nos teores e quantidades de nutrientes acumuladas na parte aérea. O sistema irrigado por aspersão, independentemente da lâmina utilizada, proporcionou maior produtividade de grãos e exportação de nutrientes. Em solos com teores adequados de nutrientes para o sistema de sequeiro, não há resposta ao aumento da adubação mineral pelo arroz no sistema irrigado por aspersão, apesar da maior extração de nutrientes.In order to achieve more sound fertilizer recommendations, knowledge about nutritional requirements of rice in different growing systems is fundamental. The objective of this paper was to evaluate the effects of water levels on nutrition and nutrient exportation by upland rice (cultivar

  3. Executive compensation and firm performance: Evidence from Indian firms

    Directory of Open Access Journals (Sweden)

    Mehul Raithatha

    2016-09-01

    Full Text Available The study examines the relationship between executive compensation and firm performance among Indian firms. The evidence suggests that firm performance measured by accounting, as well as market-based measures, significantly affects executive compensation. We also test for the presence of persistence in executive compensation by employing the system-generalised methods of moments (GMM estimator. We find significant persistence in executive compensation among the sample firms. Further, we report the absence of pay–performance relationship among the smaller sample firms and business group affiliated firms. Thus, our findings cast doubts over the performance-based executive compensation practices of Indian business group affiliated firms.

  4. Whom do new firms hire?

    DEFF Research Database (Denmark)

    Dahl, Michael S.; Klepper, Steven

    2015-01-01

    Using the matched employer-employee data set for Denmark and information on the founders of new firms, we analyze the hiring choices of all new firms that entered from 2003 to 2010. We develop a theoretical model in which the quality of a firm’s employees determines its average cost, a firm......, and firm size influence the wages firms pay to their early hires. We find that beginning with the time of entry, larger firms consistently pay higher wages to their new hires. These are firms with greater survival prospects at the time of entry based on the pre-entry backgrounds of their founders...

  5. Leverage, Investment, and Firm Growth

    OpenAIRE

    Larry Lang; Eli Ofek; Rene M. Stulz

    1995-01-01

    We show that there is a negative relation between leverage and future growth at the firm level and, for diversified firms, at the segment level. Further, this negative relation between leverage and growth holds for firms with low Tobin's q, but not for high-q firms or firms in high-q industries. Therefore, leverage does not reduce growth for firms known to have good investment opportunities, but is negatively related to growth for firms whose growth opportunities are either not recognized by ...

  6. Terra Defender Cyber-Physical Wargame

    Science.gov (United States)

    2017-04-01

    time. However, the WHITE team did not offer game-dollar rewards for these actions and this probably caused low motivation for note-taking. In general...helped to achieve a better understanding of how Army supervisory control and data acquisition (SCADA) system and device security can be modeled and...managed. Terra game players obtained first-hand experience in attacking and defending a live (“operational”) SCADA system that was located in a testbed

  7. Modern Competitive Strategy Firm

    Directory of Open Access Journals (Sweden)

    František Bartes

    2010-01-01

    Full Text Available The article deals with problems of an ever increasing number of cases of successful application of old combat strategies in business practice. Nevertheless, the author refuses the so called “direct conflict“ of firms, when it is really fought for victory on the market. His approach is based on the philosophy of “victory without fight“, in other words – of achieving the aim without direct conflict with the rival firm.In the end he comes to the conclusion that combat philosophies are more and more often incorporated into classical approach of strategic firm control and become the integral part of philosophy of management. At the close happens to opinion that the one from basic factors absolutely necessary to creation such strategy at company, is necessary present so-called „creative intelligence“.

  8. Laboratory investigation of TerraZyme as a soil stabilizer

    Science.gov (United States)

    Yusoff, Siti Aimi Nadia Mohd; Azmi, Mastura; Ramli, Harris; Bakar, Ismail; Wijeyesekera, D. C.; Zainorabidin, Adnan

    2017-10-01

    In this study, a laboratory investigation was conducted to examine the performance of TerraZyme on different soil types. Laterite and kaolin were treated with 2% and 5% TerraZyme to determine changes in the soils' geotechnical properties. The obtained results were analysed and investigated in terms of compaction, Unconfined Compressive Strength (UCS) and California Bearing Ratio (CBR). The changes in geotechnical properties of the stabilised and unstabilised soils were monitored after curing periods of 0, 7, 15, 21 and 30 days. Changes in compaction properties, UCS and CBR were observed. It was found that laterite with 5% TerraZyme gave a higher maximum dry density (MDD) and decreased the optimum moisture content (OMC). For kaolin, a different TerraZyme percentage did not show any effect on both MDD and OMC. For strength properties, it was found that 2% TerraZyme showed the greatest change in UCS over a 30-day curing period. The CBR value of stabilised kaolin with 2% TerraZyme gave a higher CBR value than the kaolin treated with 5% TerraZyme. It was also found that laterite treated with TerraZyme gave a higher CBR value. Lastly, it can be concluded that TerraZyme is not suitable for stabilising kaolin; TerraZyme requires a cohesive soil to achieve a better performance.

  9. Collaborative Communities of Firms

    DEFF Research Database (Denmark)

    Bøllingtoft, Anne; Müller, Sabine; Ulhøi, John Parm

    2011-01-01

    and developing strategic initiatives that aid the community as a whole. We discuss the facilitator role of the shared services provider, contrasting it with the coordinator role found in other multi-firm organizations, and we show how shared services providers function by describing three examples...... of collaborative communities of firms from different sectors: the U.S.-based Blade.org and two Denmark-based communities, the Kalundborg Industrial Symbiosis and MG50. Implications for the theory and practice of organization design are discussed....

  10. Petrology of Terra Nova pluton, Brazil, and associated ultrapotassic dykes

    International Nuclear Information System (INIS)

    Silva Filho, A.F. da; Thompson, R.N.; Leat, P.T.

    1987-01-01

    The Upper Precambrian Terra Nova Pluton, situated 550 Km inland from Recife, Brazil, is 220 Km 2 in area and intrudes deformed metasedimentary rocks of the Pianco-Alto Brigida Mobile Belt. The Pluton shows complex petrological relationships. It consists of subalkaline quartz-monzonites and quartz-syenites, and the major minerals are K-feldspars, albite, hornblende, and quartz. The pluton is intermediate in composition (SiO 2 = 58.9-65.6 wt%, MgO=0.9-3.7 wt%) and is dominantly potassic (K 2 O=3.3-5.6 wt %; K 2 O/Na 2 O=0.9-1.8). Ba (up to 2.300 ppm) and Sr (up to 1,100 ppm) are abundant in the rocks, and LREE are enriched relative to HREE (La N /Lu N = 25.6-43.2). There is no significant Eu Anomaly. Rounded autoliths within the pluton are similar, but more mafic in composition (SiO 2 =54.6-57.5 wt %; MgO=4.9-6.4 wt %). A suite of dykes cut pluton and the surrounding country rocks. These dykes are varied in composition, encompassing most of the chemical range shown by the pluton and associated autoliths. The dykes are holocrystalline, peralkaline, and strongly enriched in both K 2 O(K 2 O=5.3-11.4 wt %) and Ba (Ba=2,400 ppm-10,500 ppm), which are considered to be magmatic abundances. The dykes have similar REE and other trace elements and ratios to the autoliths and plutonic rocks, and the dykes and the pluton are thought to be chemically related. The Terra Nova Pluton records the fractionation of mantle-derived ultrapotassic magma from mafic to intermediate compositions. (author) [pt

  11. Investigations of Ancient Terra-cotta Sarcophagi, Excavated in Enez (Ainos Turkey, by Instrumental Neutron Activation Analysis

    Directory of Open Access Journals (Sweden)

    Sevim Akyuz

    2015-12-01

    Full Text Available Ten terra-cotta sarcophagi, together with a terra-cotta aryballos (perfume jar, excavated in Su Terazisi necropolis of Enez-Turkey (Ancient Ainos, were investigated by Instrumental Neutron Activation Analysis (INAA, to determine the concentration of thirty two chemical elements: Na, K, Ca, Fe, Sc, Cr, Mn, Co, Ni, Cu, Zn, As, Se, Br, Rb, Sr, Sb, Cs, Ba, La, Ce, Nd, Sm, Eu, Tb, Dy, Yb, Lu, Hf, Ta, Th and U. The dataset was submitted to multivariate statistical analysis. The classification was done by cluster analysis. The results demonstrated the occurrence of two different groups of terra-cotta samples. Group I contains nine sarcophagi and terra-cotta aryballos whereas group II contains only one sample (E09-ST5-M26. High correlations between La and Ce (r2 = 0.92, and U and Th (r2 = 0.91 indicated that local clay was used for manufacturing the terra-cotta sarcophagi and aryballos but probably the claybed used for E09-ST5-M26 was different from that of others.

  12. Measuring Firm Performance

    DEFF Research Database (Denmark)

    Assaf, A. George; Josiassen, Alexander; Gillen, David

    2014-01-01

    Set in the airport industry, this paper measures firm performance using both desirable and bad outputs (i.e. airport delays). We first estimate a model that does not include the bad outputs and then a model that includes bad outputs. The results show important differences in the efficiency...

  13. The Multinational Firm

    DEFF Research Database (Denmark)

    Morgan, Glenn; Hull Kristensen, Peer; Whitley, Richard

    . These processes occur at a number of levels which are explored in different empirical settings. Firstly, at the level of governance, multinational firms may develop conflicts between investors from different national contexts, for example between the arms-length orientation of Anglo-Saxon institutional investors...

  14. Collaborative Communities of Firms

    DEFF Research Database (Denmark)

    Bøllingtoft, Anne; Müller, Sabine; Ulhøi, John Parm

    2011-01-01

    Both small and medium-size entrepreneurial firms face liabilities such as resource scarcity and scale diseconomies, making it difficult for them to innovate on a continuous basis. In response, experimentation with new ways of organizing for innovation has increased. One successful result is an or...

  15. Effects of reduced impact logging on bat biodiversity in terra firme forest of lowland Amazonia.

    Science.gov (United States)

    Ivan Castro-Arellanos; Steven J. Presley; Luis Nelio Saldanha; Michael R. Willig; Joseph M. Wunderle Jr.

    2007-01-01

    Timber harvest is one of the main causes of degradation of Amazonian tropical forests, where bats represent important components of biodiversity. In addition, bats may represent keystone taxa in the Neotropics, as they are primary agents of pollination and seed dispersal for many pioneer plants. We assessed the impact of low harvest (18m3/ha),...

  16. Characteristics of Intracrater Thermal Anomalies in Southwestern Margaritifer Terra

    Science.gov (United States)

    McDowell, M. L.; Hamilton, V. E.

    2005-03-01

    We use thermophysical properties, albedo, short wavelength emissivity, composition, and geomorphology to understand the formation of anomalously warm intracrater deposits in southwestern Margaritifer Terra.

  17. Wineries Evaluation of Costs and Benefits of Sustainability Certification Program: The Case of Terra Vitis in France.

    Science.gov (United States)

    Jourjon, Frederique; Chou, Hsia-Chi; Gezart, Anna; Kadison, Amy E; Martinat, Lea; Pomarici, Eugenio; Vecchio, Riccardo

    2016-01-01

    The current paper analyses the evaluation of the costs and benefits of French wineries (N=69) participating in the sustainability program Terra Vitis, a widespread environmental certification scheme within the French wine industry. An online questionnaire was sent to all Terra Vitis participants, in order to analyse the evaluation of economic costs and benefits (together with environmental benefits) as perceived by wineries. Our findings reveal that older participants in the scheme (over 5 years), firms with higher export share (>40% of annual turnover) and cooperative wineries tend to be keener to assign a positive evaluation to the benefits/costs ratio in both the vineyard and the winery. In the context of increasing concerns regarding the economic and environmental performance of the French agricultural sector, such findings and also the patent research could be useful for policy makers and entrepreneurs in defining mainstream normative and corporate strategies. Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.org.

  18. Efeitos das mudanças do uso da terra na biogeoquímica dos corpos d'água da bacia do rio Ji-Paraná, Rondônia Effects of land use changes in the biogeochemistry of fluvial systems of the Ji-Paraná river basin, Rondônia

    Directory of Open Access Journals (Sweden)

    Alex Vladimir Krusche

    2005-06-01

    Full Text Available Este trabalho discute os efeitos das mudanças do uso do solo na biogequímica dos rios da bacia de drenagem do rio Ji-Paraná (Rondônia. Nesta região, a distribuição espacial do desmatamento e das propriedades do solo resultam em sinais diferentes, possibilitando a divisão dos sistemas fluviais em três grupos: rios com águas pobres em íons e baixo impacto; rios com conteúdo iônico intermediário e impacto médio e rios com elevados conteúdo iônico e impacto antropogênico. As características biogeoquímicas dos rios têm relação significativa com a área de pasto, melhor parâmetro para prever a condutividade elétrica (r² = 0,87 e as concentrações de sódio (r² = 0,75, cloreto (r² = 0,69, potássio (r² = 0,63, fosfato (r² = 0.78, nitrogênio inorgânico (r² = 0.52, carbono inorgânico (r² = 0.81 e carbono orgânico (rain ² = 0.51 dissolvidos. Cálcio e magnésio tiveram sua variância explicada pelas características do solo e pastagem. Nossos resultados indicam que as mudanças observadas na micro-escala constituem "sinais biogeoquímicos" gerados pelo processamento do material nas margens dos rios. A medida em que os rios evoluem para ordens superiores, os sinais persistentes nos canais fluviais estão mais associdados às características da bacia de drenagem (solos e uso da terra. Apesar dos efeitos das mudanças observadas no uso do solo não serem ainda detectáveis na macro-escala (bacia amazônica, a disrupção da estrutura e funcionamento dos ecossistemas é detectável nas micro e meso escalas, com alterações significativas na ciclagem de nutrientes nos ecossistemas fluviais.In this article we present the results of the effects of land use change on the river biogeochemistry of the Ji-Paraná basin (Rondônia. In this region, the spatial distribution of deforestation and soil properties result in different biogeochemical signals, allowing the division of the fluvial systems into three groups: rivers with

  19. Belgian firms visiting CERN

    CERN Multimedia

    FP Department

    2009-01-01

    25 – 26 MAY 2009 09.00 to 17.00 Monday 25 May 09.00 to 17.00 Tuesday 26 May Individual interviews will take place in technicians’ offices. The firms will contact relevant users/technicians but any user wishing to make contact with a particular firm is welcome to use the contact details which are available from each departmental secretariat or from the GS Department web pages here. List of Companies:Automation Services and Consulting BVBA Burrick NV, (PLC) Cissoid DB Engineering Design, Drafting & Services BVBA Entelec Control Systems GILLAM-Fei S.A. HPC ICSENSE IWT – Enterprise Europe Flanders Jema SA Mecasoft SA SA Polmans Rapid-Torc Resarm Engineering Plastics SA Sentera Europa NV SLC BVBA Stocker Industrie SA Technord Tecnubel Winlock BVBA For further information please contact Caroline Laignel (GS-DI 73722) or Karine Robert (GS-SEM-LS 74407).

  20. Servitization in Industrial Firms

    DEFF Research Database (Denmark)

    Hsuan, Juliana; Frandsen, Thomas; Raja, Jawwad

    This booklet outlines the breadth and depth of services offered by Danish manufacturing companies, aiming to provide a better understanding of the servitization landscape in Denmark. A total of 1,103 company websites have been checked against 16 service categories. Of these, 939 companies were...... analyzed in more detail, for example with regard to the types of services offered, company size, industry representation, turnover and earnings before interest and tax (EBIT). The analysis presented in this booklet may inspire Danish firms and help them, in their servitization journeys, to position...... themselves in relation to other companies in similar or related industries. In setting out a brief overview of the overall industrial service landscape in Denmark, the following is highlighted: - The extent to which Danish industrial firms are communicating service offerings through their websites...

  1. Innovation in Family Firms

    DEFF Research Database (Denmark)

    Filser, Matthias; Brem, Alexander; Gast, Johanna

    2016-01-01

    , organizational culture and behaviour, resources, and innovation and strategy. Second, based on a thorough literature review the major research avenues are reflected. The comparison of the results of both analyses showed the following areas for future research on family firm innovation: members‘ individual human...... capital and their leadership behaviour, openness to externals, cross-country comparisons, and finally the family‘s functional integrity on innovation performance....

  2. Board diversity in family firms

    OpenAIRE

    Menozzi, Anna; Fraquelli, Giovanni; Novara, Jolanda de

    2015-01-01

    The paper deals with diversity as a key factor to improve the board of directors’ decision process in family firms. The empirical literature about board diversity points at the positive impact of diversity on board functioning and firm performance. The paper uses a statistical diversity index to capture the heterogeneity of board of directors and put it in relation with firm performance, as measured by firm profitability. The empirical analysis is based on a newly collected panel of 327 famil...

  3. Uso da terra e a qualidade microbiana de agregados de um Latossolo Vermelho-Amarelo

    Directory of Open Access Journals (Sweden)

    Rogério Melloni

    2013-12-01

    Full Text Available A maioria dos estudos relacionados à agregação do solo associa o efeito de manejos ou tipos de uso da terra ao teor de matéria orgânica. No entanto, a avaliação de microrganismos e seus processos, feita diretamente em estruturas indeformadas do solo, permite maior entendimento do real efeito de diferentes tipos de manejos exercidos sobre esse. Assim, o objetivo deste trabalho foi avaliar modificações impostas por diferentes tipos de uso da terra (pastagem, mata de eucalipto, mata com araucária, plantio convencional com cenoura e plantio convencional com abóbora em atributos químicos (pH, Ca, Mg, Al, P, K, S e matéria orgânica e físicos (diâmetro médio geométrico - DMG, diâmetro médio ponderado - DMP, densidade do solo e densidade de partículas e na qualidade microbiana (atividade e carbono microbianos, micélio extrarradicular total de fungos micorrízicos arbusculares e quociente metabólico - qCO2 de classes de tamanho de agregados (I- 4,00 a 2,36 mm; II- 2,36 a 1,18 mm; III- 1,18 a 0,60 mm; IV- 0,60 a 0,30 mm; e V- 0,30 a 0,15 mm de um Latossolo Vermelho-Amarelo, no sul de Minas Gerais. Os resultados evidenciaram que os tipos de uso da terra interferem na formação, no tamanho e na qualidade microbiana dos agregados. Em agregados menores (classes IV e V, há redução de micélio extrarradicular de fungos e biomassa microbiana e aumento da atividade e do quociente metabólico, independentemente do tipo de uso da terra. A qualidade microbiana de agregados maiores do solo sob mata de araucária, com tamanho entre 0,60 e 4,00 mm (I, II e III, é semelhante a todas as classes de tamanho de agregados do solo sob mata de eucalipto, enquanto a de agregados menores de 0,60 mm (IV e V é semelhante a todas de tamanho de agregados da pastagem. Agregados do cultivo convencional, diferentemente dos demais tipos de uso da terra, apresentam baixa qualidade microbiana e relação com a fertilidade do solo.

  4. Connected Firms and Investor Myopia

    NARCIS (Netherlands)

    Ginglinger, Edith; Hébert, Camille; Renneboog, Luc

    2017-01-01

    Conglomerates, multinational corporations and business groups are non-exclusive forms of complex firms. Often organized as corporate networks, complex firms control a myriad of firms connected through ownership links. We investigate whether parent-subsidiary links within corporate networks enhance

  5. Desenvolvimento de cultivares de soja em função do grupo de maturação e tipo de crescimento em terras altas e terras baixas

    Directory of Open Access Journals (Sweden)

    Alencar Junior Zanon

    2015-12-01

    Full Text Available O objetivo deste trabalho foi caracterizar o desenvolvimento de cultivares de soja com diferentes grupos de maturação e tipos de crescimento em terras altas e terras baixas no Rio Grande do Sul. Foram conduzidas nove épocas de semeadura em Santa Maria (ambiente de terras altas e uma época de semeadura em Capão do Leão (ambiente de terras baixas durante os anos agrícolas 2010/2011, 2011/2012 e 2012/2013, com 11 cultivares de soja. O delineamento experimental em todos os experimentos foi blocos ao acaso, em parcelas subdivididas. Foi quantificada a duração, em ºC dia, do ciclo de desenvolvimento, da fase vegetativa e reprodutiva, e do período entre a data que ocorreu o início do florescimento e o número final de nós para todas as épocas e locais de semeadura. Houve redução da duração da fase reprodutiva, do ciclo total de desenvolvimento (exceto algumas cultivares semeadas em setembro, com o atraso da data de semeadura independentemente do grupo de maturação e tipo de crescimento. As semeaduras de setembro, janeiro e fevereiro promovem uma redução da fase vegetativa na maioria das cultivares quando comparadas com a época recomendada (novembro e dezembro. Cultivares indeterminadas apresentam um maior período de sobreposição das fases vegetativa e reprodutiva do que as cultivares determinadas em todas as épocas e locais de cultivo. O desenvolvimento da soja é similar quando cultivada em terras altas e terras baixas.

  6. Results of Statewide TerraNova Testing, Fall 1998.

    Science.gov (United States)

    La Marca, Paul M.

    This summary provides key findings about state, district, and school level performance on the TerraNova examinations (CTB/McGraw Hill) in Nevada in 1998-1999. The TerraNova tests are used to assess students in grades 4, 8, and 10 as stipulated by Nevada law. Within this summary, a description of performance as measured by national percentile…

  7. Social security and firm performance

    DEFF Research Database (Denmark)

    Lee, Sangheon; Torm, Nina

    2017-01-01

    This article investigates how social security provision - a key determinant of formality - impacts on small and medium-sized firm performance in Viet Nam. Based on enterprise census data covering all registered firms from 2006 to 2011, the authors find that firms which increase their social...... security coverage by 10 per cent experience a revenue gain of 1.4-2.0 per cent per worker and a profit gain of up to 1.8 per cent, depending on the survival time of the firm. However, given the time lag between 'investment' (in social security contributions) and returns (enhanced firm performance...

  8. Acerca de falas da terra. Ecologia e tradição

    OpenAIRE

    Guimarães, Ana Paula; Fonseca, Luís Cancela da

    2001-01-01

    O projecto Falas da Terra - Ecologia e Tradição surgiu quando à disciplina de Literatura Tradicional Oral apeteceu o transborde: a detecção de paradigmas ambientais, a descrição da fisionomia da terra. • quer enquanto solo arável: terra, corpo feminino lavrado e semeado pelo corpo masculino (o arado e a semente) ou terra tal como a quadra seguinte reiteradamente a refere: Eu sou devedor à terra A terra me está devendo A terra me paga em vida E eu pago à terra em mor...

  9. Terra News: sensationalism and fait-divers on the Internet

    Directory of Open Access Journals (Sweden)

    Carlos Golembiewski

    2009-12-01

    Full Text Available This article presents an analysis of the news program Jornal do Terra (Terra News shown on the Terra website. The study involved two aspects: forms of news presentations on TV, based on studies by Pedro Maciel, and criteria of news value, based on Mário Erbolatto’s view. In addition, we used Luis Arthur Ferraretto’s studies of the news formats used specifically on the radio. The objective of this work was to verify what kind of news is transmitted by the news program Terra News, and to compare it with the traditional news program we watch on TV. The study confirmed that Terra News utilizes conventional formats of news presentation and makes a selection of sensationalist news about fait-divers.

  10. TERRA NEWS: Sensationalism and Fait-divers on the Internet

    Directory of Open Access Journals (Sweden)

    Carlos Golembiewski

    2011-02-01

    Full Text Available This article presents an analysis of the news program Jornal do Terra (Terra News shown on the Terra website. The study involved two aspects: forms of news presentations on TV, based on studies by Pedro Maciel, and criteria of news value, based on Mário Erbolatto’s view. In addition, we used Luis Arthur Ferraretto’s studies of the news formats used specifically on the radio. The objective of this work was to verify what kind of news is transmitted by the news program Terra News, and to compare it with the traditional news program we watch on TV. The study confirmed that Terra News utilizes conventional formats of news presentation and makes a selection of sensationalist news about fait-divers.

  11. Which firms use measures?

    DEFF Research Database (Denmark)

    Pedersen, Esben Rahbek Gjerdrum; Sudzina, Frantisek

    2012-01-01

    Purpose – The purpose of this paper is to outline the anatomy of firms which adopt comprehensive performance measurement (PM) systems in order to gain an understanding of how internal (organisational capabilities) and external (perceived environmental uncertainties) factors shape performance...... – This paper concludes that a limited number of internal and external factors have a significant influence on the adoption of PM systems. There is no consistent pattern, however, between the different sub-categories of organisational capabilities/perceived environmental uncertainties and PM adoption...... this study indicate that the relationship between PM adoption and the organisational characteristics/external environment is more complicated than anticipated....

  12. Sensoriamento remoto na identificação do uso e ocupação da terra na área do projeto "Conquista da Água", Ilha Solteira - SP, Brasil Remote sensing on the identification of the use and occupation of land of the project "Management of the Water", Ilha Solteira - State of São Paulo, Brazil

    Directory of Open Access Journals (Sweden)

    Hélio R. Silva

    2006-04-01

    Full Text Available A cidade de Ilha Solteira está propondo o projeto "Conquista da Água", visando ao desenvolvimento sustentável do Município, a partir do turismo, da cultura e da ciência e tecnologia. Para atingir esse objetivo, os planejadores do meio físico-ambiental necessitam de dados que possam auxiliá-los na seleção dos melhores locais onde serão instalados as avenidas, o aeroporto e os demais espaços que comporão esse projeto. A elaboração do mapa de uso e cobertura do solo da área de interesse do projeto constitui um dos temas necessários ao banco de dados a ser utilizado pelos planejadores. Neste trabalho, é apresentado o estado de degradação dessa área, o que auxiliará na definição das estratégias de conservação ambiental.The City hall of Ilha Solteira is proposing the project "Management of the Water", seeking to contribute with the sustainable development of the municipal district, through tourism, culture, science and technology. To reach it, the planners of the physical-environmental way, will need data that will aid in the selection of the best local to install the avenues, the airport and other spaces that will compose this project. The elaboration of a Map of the current use and cover of the lands in the area of interest of the project represents one of the necessary themes to compose a database to be used by the planners. In the present work, it is presented a discussion on the state of degradation of the landscape, which will help the definition of strategies of environmental conservation.

  13. Influência do etil-trinexapac no acúmulo, na distribuição de nitrogênio (15N e na massa de grãos de arroz de terras altas Influence of ethyl-trinexapac on 15N accumulation and distribution and on highland rice yield

    Directory of Open Access Journals (Sweden)

    Rita de Cássia Félix Alvarez

    2007-12-01

    Full Text Available A garantia de alta produtividade de grãos de arroz no sistema de cultivo irrigado por aspersão tem estimulado a utilização de maiores doses de fertilizantes, principalmente os nitrogenados. Contudo, o manejo inadequado da adubação nitrogenada pode resultar em acamamento das plantas. A aplicação de reguladores vegetais pode carrear fotoassimilados para produção de grãos em detrimento do crescimento vegetativo excessivo. Este trabalho teve por objetivos: avaliar a influência do regulador de crescimento etil-trinexapac nas características de crescimento da planta e no acúmulo e distribuição de N (15N nas partes e na planta inteira de arroz; e verificar a contribuição do N absorvido em diferentes estádios de desenvolvimento na formação da panícula, nos componentes do rendimento e na massa de grãos de arroz. O experimento foi realizado em casa de vegetação, sob condições controladas. Os tratamentos foram constituídos de não-aplicação ou aplicação de regulador de crescimento vegetal (0 e 200 g ha-1 i.a. de etil-trinexapac em quatro estádios de desenvolvimento das plantas (1 - início ao final do perfilhamento, 2 - final do perfilhamento à diferenciação do primórdio da panícula, 3 - diferenciação do primórdio da panícula ao florescimento e 4 - florescimento à maturação fisiológica. Foi utilizado o delineamento experimental de blocos ao acaso, dispostos em esquema fatorial 2 x 4, com três repetições. As plantas foram postas em um grupo de 48 vasos. Em um grupo de 24 vasos, com solução nutritiva e NH4SO4 enriquecido (15N, no início de cada estádio preestabelecido de desenvolvimento da planta ao final de cada um deles, as plantas foram coletadas e separadas em suas partes constituintes. Em outro grupo de vasos (24 vasos, no final de cada estádio, em vez de serem coletadas, as plantas voltavam a se desenvolver em solução nutritiva com NH4SO4 natural, para então serem coletadas no final do ciclo. O

  14. A TERRITORIALIDADE DOS MOVIMENTOS SOCIAIS QUE LUTAM POR TERRA E REFORMA AGRÁRIA NO PONTAL DO PARANAPANEMA

    Directory of Open Access Journals (Sweden)

    Edvaldo Carlos de Lima

    2012-04-01

    Full Text Available Para apreendermos a mobilização da classe trabalhadora no campo, no âmbito da luta eresistência na terra no Brasil, é preciso refletir, entre outros, sobre dois fenômenos: o latifúndio e osmovimentos sociais rurais, sendo o primeiro a base propulsora do segundo. Especificamente nestetexto, apontamos um diagnóstico das dissensões (discrepâncias e dissidências (separações pordivergências políticas dos Movimentos Sociais que Lutam pela Terra e pela Reforma Agrária(MSLTRA na região do Pontal do Paranapanema, com especial atenção aos seus desdobramentosterritoriais.

  15. Pequenas Histórias Soltas: Mais do Que a Terra do Champanha

    Directory of Open Access Journals (Sweden)

    Mariana Schwaab Machiavelli

    2013-04-01

    Full Text Available O município de Garibaldi está localizado na região turística Uva e Vinho, na Serra Gaúcha, a 110km da capital Porto Alegre. Dentro do cenário entorurístico do qual faz parte, busca diferenciar-se através da produção de espumantes, pioneira no país, quando em 1913 foi produzida a primeira garrafa na Vinícola Peterlongo. Por isso o município se autodenomina Terra do Champanha. Aproveitando esse diferencial, destaca-se no cenário regional pela realização bianual da Festa Nacional do Champanha – FENACHAMP.

  16. MULTIMODALIDADE E A CONSTRUÇÃO DA IDENTIDADE DO SEM-TERRA

    Directory of Open Access Journals (Sweden)

    Vanderleiidalice J. Zacchi

    2009-12-01

    Full Text Available RESUMO: O objetivo deste trabalho é analisar a maneira como o movimento dos Trabalhadores Rurais Sem Terra (mST utiliza os diferentesmodos de produçãode significado e como, nesse processo, é construída sua identidade. A análise será efetuada principalmente a partir de textos impressos, digitais e eletrônicos produzidos pelos sem-terra. Apesar de fazer bom uso das diversas habilidades pressupostas na multimodalidade, o movimento ainda se apoia fortemente no modo linguístico tanto na autorrepresentação quanto na ação social. PALAVRAS-CHAVE: multiletramento, mST, identidade, Internet, mídia. ABSTRACT: This paper aims at analysing the identity construction of the Landless Rural Workers movement (mST by making use of different modes of meaning-construction. The data provided for analysis are based especially on printed, electronic, and digital texts produced by the movement. Although the mST uses multimodal texts extensively, it still relies heavily on the linguistic mode when engaging in both self-representation and social action. KEYWORDS: multiliteracies, landless movement, identity, Internet, media.

  17. Female Directors and Firm Performance: Evidence from UK Listed Firms

    Directory of Open Access Journals (Sweden)

    Pananda Pasaribu

    2017-08-01

    Full Text Available The impact of female directors on firm performance has lacked consistency in the previously conducted empirical studies, which may be due to the endogeneity problem, or certain characteristics (i.e. governance, industry, competition. This study examines the relationship between female directors and firm performance by addressing those problems. This study analyses all non-financial UK listed firms during the period 2004-2012 and employs several econometric models. The regression results indicate that there is little evidence that female directors have a positive and strong relationship with firm performance. But, further analysis reports that the UK’s small listed firms experience a positive significant effect, because small firms do not suffer from the problem of over-monitoring and they have more flexibility in composing their boards of directors.

  18. Danish firms visit CERN

    CERN Multimedia

    FP Department

    2011-01-01

    30 – 31 JANUARY 2012 09:00 to 17:00 Monday 30 January 09:00 to 17:00 Tuesday 31 January Individual interviews will take place in technicians’ offices. The firms will contact relevant users/technicians but any user wishing to make contact with a particular firm is welcome to use the contact details available from the secretariat of their department or from the GS Department web page. List of Companies: · Axcon APS · BB Electronics A/S · B.Rustfrit Stal A/S · CIM Industrial Systems A/S · Danfysik A/S · Develco A/S · Eletronic A/S · GPV Group · Innoware A/S · JLI Vision A/S · NECAS A/S· NKT Cables A/S · Noliac A/S · Prodan A/S · Röttger’s Vaerktoj A/S · Vengcon APS For further information please contact Claudia Bruggmann Furlan  GS-IS-LS 73312 or Caroline Laignel GS-DI 73722.

  19. Female Directors and Firm Performance: Evidence from UK Listed Firms

    OpenAIRE

    Pasaribu, Pananda

    2017-01-01

    The impact of female directors on firm performance has lacked consistency in the previously conducted empirical studies, which may be due to the endogeneity problem, or certain characteristics (i.e. governance, industry, competition). This study examines the relationship between female directors and firm performance by addressing those problems. This study analyses all non-financial UK listed firms during the period 2004-2012 and employs several econometric models. The regression results indi...

  20. Do Peer Firms Affect Firm Corporate Social Responsibility?

    OpenAIRE

    Shenggang Yang; Heng Ye; Qi Zhu

    2017-01-01

    Peer-firm strategies are a critical factor for corporate finance, and corporate social responsibility (CSR) is the main trend for evaluating the behavior of firms. On the basis of the connection between peer strategy and CSR, this paper explores the CSR strategies employed by a sample of Chinese firms during the 2008–2015 period. Our two main empirical findings are as follows. First, the CSR strategies of firms have a positive effect on their CSR behavior. Second, when there is the CSR gap be...

  1. History and Technology of Terra Preta Sanitation

    Directory of Open Access Journals (Sweden)

    Sabino De Gisi

    2014-03-01

    Full Text Available In order to reach the Millennium Development Goals for significantly reducing the number of people without access to adequate sanitation, new holistic concepts are needed focusing on economically feasible closed-loop ecological sanitation systems rather than on expensive end-of-pipe technologies. An analysis of a former civilization in the Amazon (nowadays Brazil highlights the possibility to close the loop with a more sustainable lifestyle integrating soil fertility, food security, waste management, water protection and sanitation, renewable energy. Terra Preta do Indio is the anthropogenic black soil produced by ancient cultures through the conversion of bio-waste, fecal matter and charcoal into long-term fertile soils. These soils have maintained high amounts of organic carbon several thousand years after they were abandoned. Deriving from these concepts, Terra Preta Sanitation (TPS has been re-developed and adopted. TPS includes urine diversion, addition of a charcoal mixture and is based on lactic-acid-fermentation with subsequent vermicomposting. Lacto-fermentation is a biological anaerobic process that generates a pre-stabilization of the mixture. The main advantage of lacto-fermentation is that no gas and no odor is produced. What makes it particularly interesting for in-house systems even in urban areas. Instead, vermicomposting is an aerobic decomposition process of the pre-digested materials by the combined action of earthworms and microorganisms. It transforms the carbon and nutrients into the deep black, fertile and stable soil that can be utilized in agriculture. No water, ventilation or external energy is required. Starting from ancient Amazonian civilizations traditional knowledge, the aim of this work is to present TPS systems adopted nowadays.

  2. Firm Search for External Knowledge

    DEFF Research Database (Denmark)

    Sofka, Wolfgang; Grimpe, Christoph

    2012-01-01

    ignored the institutional context that provides or denies access to external knowledge at the country level. Combining institutional and knowledge search theory, we suggest that the market orientation of the institutional environment and the magnitude of institutional change influence when firms begin......The innovation performance of modern firms is increasingly determined by their ability to search and absorb external knowledge. However, after a certain threshold firms "oversearch" their environment and innovation performance declines. In this paper, we argue that prior literature has largely...... to experience the negative performance effects of oversearch. Based on a comprehensive sample of almost 8,000 firms from ten European countries, we find that institutions matter considerably for firms' search activity. Higher market orientation of institutions increases the effectiveness of firms' search...

  3. Diversified boundaries of the firm

    OpenAIRE

    Kimura, Koichiro

    2012-01-01

    We analyze diversification of boundaries of local firms in developing countries under the economic globalization. The globalization has an aspect of homogenization of the world economy, but also has another aspect of diversification through international economic activities. Focusing on boundary-level of the firm, this article shows that the diversification from a comparison with boundaries of foreign firms in developed countries is brought by a disadvantage of technology deficit and a home a...

  4. The financing of innovative firms

    OpenAIRE

    Hall, Bronwyn H.

    2009-01-01

    To what extent are new and/or innovative firms fundamentally different from established firms, and therefore require a different form of financing? The theoretical background for this proposition is presented, and the empirical evidence on its importance is reviewed. Owing to the intangible nature of their investment, asymmetric-information and moral-hazard, these firms are more likely to be financed by equity than debt and behave in some cases as though they are cash-constrained, especially ...

  5. EFEITO DO SISTEMA DE ROTAÇÃO DE TERRA NOS PROCESSOS DE VERTENTE –GUARAPUAVA-PR

    Directory of Open Access Journals (Sweden)

    Edivaldo Lopes Thomaz

    2011-12-01

    Full Text Available O uso da terra é um dos principais fatores controladores dos processos de vertente. A influência do sistema de rotação de terras nos processos hidrológicos de vertente é escasso na região centro-sul do Paraná. Assim, o objetivo desse estudo foi verificar o efeito do sistema de rotação de terras nos processos hidrológicos de vertente declivosa recoberta por solos rasos. Foi realizado mapeamento prévio da área estudada, em seguida foram realizados diversos monitoramentos em campo (ex. características físico-hídricas dos solos, escoamento, umidade do solo e interceptação. A base teórica para interpretação dos processos de vertente seguiu a proposição de DALRYMPLE et al. (1968 (Hypothetical nine-unity lansurface model. Verificou-se que a dinâmica do sistema de rotação de terras aliado a complexidade geomorfopedológica da vertente induz processos hidrológicos subsuperficiais. Esses processos são fundamentais para o desencadeamento de instabilidade nas vertentes através do surgimento e expansão de canais de primeira ordem.

  6. Belgian Firms Visit CERN

    CERN Multimedia

    2001-01-01

    Fifteen Belgian firms visited CERN last 2 and 3 April to present their know-how. Industrial sectors ranging from precision machining to electrical engineering and electronics were represented. And for the first time, companies from the Flemish and Brussels regions of the country joined their Walloon compatriots, who have come to CERN before. The visit was organised by Mr J.-M. Warêgne, economic and commercial attaché at the Belgian permanent mission for the French-speaking region, Mr J. Van de Vondel, his opposite number for the Flemish region, and Mrs E. Solowianiuk, economic and commercial counsellor at the Belgian permanent mission for the Brussels-Capital region.

  7. Inside the Family Firm

    DEFF Research Database (Denmark)

    Bennedsen, Morten; Nielsen, Kasper; Pérez-González, Francisco

    2005-01-01

    This paper uses a unique dataset from Denmark to investigate (1) the role of family characteristics in corporate decision making, and (2) the consequences of these decisions on firm performance. We focus on the decision to appoint either a family or an external chief executive officer (CEO). We...... show that a departing CEO's family characteristics have a strong predictive power in explaining CEO succession decisions: family CEOs are more frequently selected the larger the size of the family, the higher the ratio of male children and when the departing CEOs had only had one spouse. We...... then analyze the impact of family successions on performance. We overcome endogeneity and omitted variables problems of previous papers in the literature by using the gender of a departing CEO's first-born child as an instrumental variable (IV) for family successions. This is a plausible IV as male first...

  8. Experiences of Emerging Economy Firms

    DEFF Research Database (Denmark)

    Experiences of Emerging Economy Firms investigates the different elements of the experiences of emerging economy firms and sheds essential light on a large variety of aspects associated with their functioning in both home and host contexts. For example, firms must be able to overcome the liability...... of foreign and emerging issues when they expand their activities in various contexts, enter, exit, and re-enter overseas markets; they have to overcome institutional barriers, adapt the cultural challenges in foreign markets, undergo the impact of large multinational firms from developed economies...

  9. Cyclicality and Firm Size in Private Firm Defaults

    DEFF Research Database (Denmark)

    Jensen, Thais Lærkholm; Lando, David; Medhat, Mamdouh

    2017-01-01

    The Basel II/III and CRD IV Accords reduce capital charges on bank loans to smaller firms by assuming that the default probabilities of smaller firms are less sensitive to macroeconomic cycles. We test this assumption in a default intensity framework using a large sample of bank loans to private...

  10. Firm Traits and Web Based Disclosures in Top Nigerian Firms

    Directory of Open Access Journals (Sweden)

    Bello Ayuba

    2016-02-01

    Full Text Available The use of the internet as a medium of dissemination of information to stakeholders is increasingly gaining grounds. This study extends existing literature on web disclosures by investigating the characteristics that predict the extent of web-based disclosures. In this study, corporate websites of top Nigerian firms are used as sources of data, while a regression analysis is employed to examine the extent of prediction. Results indicate that the firm size and industry type are significant determinants of web disclosures. However, other firm traits such as ownership dispersion and financial performance do not significantly explain the extent of internet disclosures. The study recommends that a regulatory template for corporate web disclosures be put in place by government regardless of the size or industry classification of the firm. This is with a view to considerably reduce agency conflicts arising from information asymmetry in publicly listed firms in Nigeria.

  11. Stakeholder Governance, Competition and Firm Value

    OpenAIRE

    Allen, Franklin; Carletti, Elena; Marquez, Robert

    2014-01-01

    In many countries, the legal system or social norms ensure that firms are stakeholder oriented. We analyze the advantages and disadvantages of stakeholder-oriented firms that are concerned with employees and suppliers compared to shareholder-oriented firms in a model of imperfect competition. Stakeholder firms are more (less) valuable than shareholder firms when marginal cost uncertainty is greater (less) than demand uncertainty. With globalization shareholder firms and stakeholder firms ofte...

  12. TAXA DE PREDAÇÃO DE NINHOS ARTIFICIAIS EM UMA ÁREA DE MANEJO FLORESTAL SUSTENTÁVEL NA AMAZÔNIA CENTRAL

    Directory of Open Access Journals (Sweden)

    Roberta Souza de Moura

    2017-01-01

    Full Text Available A predação de ninhos vem sendo sugerida como uma das causas do declínio de populações de aves, influenciando a estrutura e funcionamento das comunidades.  Apesar de diversos estudos terem avaliado fatores relacionados às variações nas taxas de predação de ninhos, poucos verificaram os efeitos do manejo florestal sustentável sobre estas taxas. O presente trabalho teve como objetivo avaliar a influência do manejo florestal sustentável sobre a taxa de predação de ninhos artificiais em uma floresta de terra firme na Amazônia Central. Para isso foram instalados ninhos artificiais em três áreas entre 11/2014 e 06/2015. Dos 240 ninhos montados 72 foram predados, sendo 29 na área não manejada, 24 na Área de Preservação Permanente e 19 na área manejada. Dos 72 ninhos predados 55,56% foram ninhos de sub-bosque e 44,44% ninhos de solo. A menor taxa de predação na área manejada pode estar relacionada às alterações na estrutura da vegetação e ao consequente afugentamento dos predadores.

  13. Meet EPA Environmental Engineer Terra Haxton, Ph.D.

    Science.gov (United States)

    EPA Environmental Engineer Terra Haxton, Ph.D., uses computer simulation models to protect drinking water. She investigates approaches to help water utilities be better prepared to respond to contamination incidents in their distribution systems.

  14. Detecção de cicatrizes de incêndios florestais utilizando a técnica de análise por vetor de mudança na terra indígena sete de setembro - Rondônia / Forest fire scars detection using change-vector analysis in the sete de setembro indigenous land - Rondonia

    Directory of Open Access Journals (Sweden)

    Philip Martin Fearnside

    2012-10-01

    Full Text Available A Terra Indígena Sete de Setembro (TISS localiza-se no arco do desmatamento, caracterizada por ser uma região de grande pressão antrópica. Esta condição a torna susceptível às ameaças da degradação florestal por incêndios, exploração madeireira ilegal e corte raso para uso agropecuário. Assim, esse estudo teve por finalidade mapear áreas de floresta afetadas pela ação do fogo no período de 2010 a 2011, utilizando imagens TM/Landsat e a técnica de detecção por análise de vetor de mudança. Os resultados mostraram uma área total de 4.187 hectares de florestas afetadas pelo fogo no interior da TISS, correspondendo a cerca de 1,7 % da área total da terra indígena. O monitoramento de terras indígenas por técnicas de sensoriamento remoto é fundamental para avaliar a vulnerabilidade dessas áreas às pressões humanas.AbstractThe Sete de Setembro Indigenous Land is situated in Brazil’s “arc of deforestation,” which is a region characterized by high anthropic pressure. This makes the reserve susceptible to forest degradation by fires, illegal logging and clearcutting for agriculture and ranching. The purpose of the present study was to map forest areas affected by fire from 2010 to 2011 using TM/Landsat images and the changevector analysis detection technique. The results showed a total area of 4187 hectares of forest affected by fire in the indigenous reserve, or about 1.7% of the total reserve area. Monitoring of indigenous lands by remote sensing techniques is essential in order to evaluate the vulnerability of these areas to pressures from human activities.

  15. How Firms Make Boundary Decisions

    DEFF Research Database (Denmark)

    Dobrajska, Magdalena; Billinger, Stephan; Becker, Markus

    2014-01-01

    We report findings from an analysis of 234 firm boundary decisions that a manufacturing firm has made during a 10 year period. Extensive interviews with all major decision makers located both at the headquarters and subsidiaries allow us to examine (a) who was involved in each boundary decision...

  16. The Internationalisation of Service Firms

    DEFF Research Database (Denmark)

    Blagoeva, Denitsa Hazarbassanova

    The question the thesis aims at resolving is: How do the value creation logics of firms impact their internationalisation? The overall aim of this PhD project is to explore and test an approach to understanding the internationalisation of service firms, based not on opposing them to manufacturing...

  17. Dividend Policy of German Firms

    NARCIS (Netherlands)

    Goergen, M.; Renneboog, L.D.R.; Correia Da Silva, L.

    2004-01-01

    German firms pay out a lower proportion of their cash flows than UK and US firms.However, on a published profits basis, the pattern is reversed.Company law provisions and accounting policies account for these conflicting results.A partial adjustment model is used to estimate the implicit target

  18. Competitive Advantage of Interconnected Firms

    DEFF Research Database (Denmark)

    Nell, Phillip Christopher; Andersson, Ulf

    We model the complex interplay between firm-level variables, notably capabilities and performance, and relationship-level variables: relationship-specific assets and network context. We test how the network context of individual exchange relationships as well as firm-level capabilities jointly af...

  19. Bank Relationship and Firm Profitability

    NARCIS (Netherlands)

    Degryse, H.A.; Ongena, S.

    2000-01-01

    This paper examines how bank relationships affect firm performance. An empirical implication of recent theoretical models is that firms maintaining multiple bank relationships are less profitable than their single-bank peers. We investigate this empirical implication using a data set containing

  20. Does internationalization foster firm performance?

    NARCIS (Netherlands)

    van den Berg, Marcel

    2014-01-01

    The research in this dissertation concerns the impact of internationalization of business activities on several dimensions of firm performance. We show that the productivity ranking by trade status of Dutch manufacturing firms in increasing order of productivity is: non-traders, importers, exporters

  1. Código Florestal, função socioambiental da terra e soberania alimentar

    Directory of Open Access Journals (Sweden)

    Sérgio Sauer

    Full Text Available O presente artigo tem como objetivo discutir alterações do Código Florestal, especialmente aspropostas de mudanças nas noções de Reserva Legal e Área de Preservação Permanente (APP, em processo de rediscussão no Congresso, após sanção presidencial com vetos no texto aprovado na Câmara em 25 de abril de 2012. Para suprir lacunas da nova Lei, o Executivo Federal editou a Medida Provisória (MP 571/2012, que retoma a discussão da matéria. Tanto dispositivos da nova Lei como alterações propostas ao texto da MP geram insegurança alimentar e visam a eliminar a função socioambiental da terra. A motivação das mudanças não está relacionada à sustentabilidade ambiental ou às mudanças climáticas, temas fundamentais na agenda mundial, mas parte do princípio de que a natureza é um empecilho ao desenvolvimento. Este artigo resgata as principais alterações no Código Florestal relacionadas à Reserva Legal e às APPs, estabelecendo relações (impactos negativos com a função socioambiental da terra e a soberania alimentar.

  2. Produção e predação de frutos em Aniba rosaeodora Ducke var. amazonica Ducke (Lauraceae em sistema de plantio sob floresta de terra firme na Amazônia Central Harvesting and fruit predation of a Aniba rosaeodora Ducke var. amazonica Ducke (Lauraceae ex situ tree population in a central Amazonian upland forest

    Directory of Open Access Journals (Sweden)

    Wilson Roberto Spironello

    2004-12-01

    Full Text Available O pau-rosa (Aniba rosaeodora vem sendo usado desde o século passado para extração de linalol, produto usado como fixador de perfumes. Por causa do extrativismo houve redução drástica em suas populações naturais. Somando a este fato, esta espécie possui padrão irregular de frutificação e, quando frutifica, os seus frutos são consumidos por animais. Estes aspectos foram estudados utilizando uma população de plantio sob sombra parcial de floresta primária. A produtividade das árvores variou de 40 a 1.600 frutos (n = 21 árvores. No geral, cerca de 42,5% foram removidos por frugívoros (6.770 frutos, n = 10 árvores. Dos frutos não removidos, 0,5% foram predados por vertebrados, 81,5% continham larvas de insetos, variando de 36-96% entre indivíduos. Uma espécie de Coleoptera ataca os frutos em estádio imaturo, enquanto outra (Heilipus sp. e uma espécie de Lepidoptera atacam os frutos em estádio final de desenvolvimento. Os resultados projetam perda de 59,5% dos frutos (54,5% por insetos passíveis de coleta. Considerando a importância econômica do pau-rosa faz-se necessário aumentar a disponibilidade de sementes para planos de manejo da espécie. Para se atingir tais objetivos são necessárias algumas medidas: 1 coleta prematura de frutos para maturação em laboratório; 2 utilização de métodos de controle de insetos adultos (em plantios e larvas (em frutos atacados; e 3 estudos de seleção genética para identificar plantas com maior resistência natural a pragas e doenças.The rosewood tree (Aniba rosaeodora has been exploited for linalol, a product used as a fixative by the perfume industry. As a result, its population has decreased to the point that it is at risk of extinction in some Amazonian areas. In addition, the species has an irregular phenological pattern and its fruits are a food source for animals. This study focused on the use an ex situ population planted under partial forest shade. The fruit set varied from 40-1600 fruits (n = 21 trees. Overall, 42.5% of fruits (6,770, n = 10 trees were removed by frugivores. Of the remaining fruits, 0.5% were predated by vertebrates, 81.5% were attacked by insect larvae. Of fruit attacked by insects, 38% were still capable of germination. One Coleoptera (Curculionidae attacks the fruits during this intermediate phase of development, and another one (Heilipus sp. and one Lepidoptera attack during the final phase of maturation. This results in a loss of 59.5% (54.5% by insects of the fruit set not removed. Therefore, it is necessary to increase fruit/seed availability as part of species management. To achieve this, three considerations need to be taken into account: 1 premature fruits should be collected for laboratory maturation; 2 insect control on adult trees (in plantations and larva control on attacked fruits are recommended; and 3 genetic studies should be an alternative to identify plants with greater natural resistance to predators and diseases.

  3. Preservação do patrimônio arqueológico em terras indígenas

    OpenAIRE

    Robrahn-González, Erika; Migliacio, Maria Clara

    2015-01-01

    Este artigo apresenta o resultado do trabalho desenvolvido durante o “I Seminário Internacional de Gestão do Patrimônio Arqueológico Pan-Amazônico”, promovido em novembro/2007 pelo Instituto do Patrimônio Histórico e Artístico Nacional (IPHAN) na cidade de Manaus/ AM, mais especificamente, na Sessão Temática intitulada “Preservação do Patrimônio Arqueológico em Terras Indígenas”.

  4. Preservação do patrimônio arqueológico em terras indígenas

    Directory of Open Access Journals (Sweden)

    Erika Robrahn-González

    2015-06-01

    Full Text Available Este artigo apresenta o resultado do trabalho desenvolvido durante o “I Seminário Internacional de Gestão do Patrimônio Arqueológico Pan-Amazônico”, promovido em novembro/2007 pelo Instituto do Patrimônio Histórico e Artístico Nacional (IPHAN na cidade de Manaus/ AM, mais especificamente, na Sessão Temática intitulada “Preservação do Patrimônio Arqueológico em Terras Indígenas”.

  5. Technological Capability and Firm Performance

    Directory of Open Access Journals (Sweden)

    Fernanda Maciel Reichert

    2014-08-01

    Full Text Available This research aims to investigate the relationship between investments in technological capability and economic performance in Brazilian firms. Based on economic development theory and on developed countries history, it is assumed that this relationship is positive. Through key indicators, 133 Brazilian firms have been analyzed. Given the economic circumstances of an emerging economy, which the majority of businesses are primarily based on low and medium-low-technology industries, it is not possible to affirm the existence of a positive relation between technological capability and firm performance. There are other elements that allow firms to achieve such results. Firms of lower technological intensity industries performed above average in the economic performance indicators, adversely, they invested below average in technological capability. These findings do not diminish the merit of firms’ and country’s success. They in fact confirm a historical tradition of a country that concentrates its efforts on basic industries.

  6. Tree species diversity in a seasonally-dry forest: the case of the Pinkaití site, in the Kayapó Indigenous Area, Southeastern limits of the Amazon Diversidade de espécies arbóreas em uma floresta sazonalmente seca: o caso da base de pesquisas do Pinkaití (PA, na Terra Indígena Kayapó, limite sudoeste da Amazônia

    Directory of Open Access Journals (Sweden)

    Rodolfo Salm

    2004-09-01

    Full Text Available This study investigates patterns of forest structure and tree species diversity in an anthropogenic palm grove and undisturbed areas at the seasonally-dry Pinkaití research station, in the Kayapó Indigenous Area. This site, managed by the Conservation International do Brasil, is the most southeastern site floristically surveyed in the Amazon until now. The secondary and a nearby undisturbed forest were sampled in a group of 52 floristic plots of 0.0625-ha (25x25-m where all trees with DBH > 10 cm were measured and identified. The analyses were complemented with other two floristic plots of 1-ha (10x1000-m. The present study has shown that the Pinkaití, like other seasonally-dry forests, have great heterogeneity in forest structure and composition, associated with biotic characteristics of the most important tree species, natural disturbance and history of land-use. The palm grove, moderately dominated by the arborescent palm Attalea maripa (Aubl. Mart., presented high tree species diversity and was floristically similar to undisturbed forests at the study site. It is discussed the importance of large arborescent palms for the seasonally-dry Amazon forests regeneration.Este estudo compara a florística e estrutura e a diversidade de espécies arbóreas de um palmeiral antropogênico e áreas não perturbadas na floresta sazonalmente seca da base de pesquisas ecológicas do Pinkaití, na Terra Indígena Kayapó. Esta base de estudos, administrada pela Conservation International do Brasil, é a área mais ao sudoeste até o momento floristicamente amostrada na Amazônia. Uma mancha de floresta secundária e uma floresta não perturbada adjacente foram amostradas com um grupo de 52 parcelas de 0,0625-ha (25x25-m onde todas as árvores com DAP > 10 cm foram medidas e identificadas. As análises foram complementadas com outras duas parcelas de 1-ha (10x1000-m. Este estudo mostrou que o Pinkaití, como outras florestas sazonalmente secas, tem grande

  7. A DESIGUALDADE NO ACESSO A TERRA SOB A ÓTICA DO PRINCÍPIO DA IGUALDADE DE RONALD DWORKIN

    Directory of Open Access Journals (Sweden)

    Natalia Altieri Santos de Oliveira

    2017-06-01

    Full Text Available Analisa o histórico do acesso à terra no Brasil, seus reflexos no direito a igualdade e de que forma a teoria de Dworkin pode ser usada para diminuir a desigualdade. Justifica-se a pesquisa pela importância do entendimento de possíveis soluções acerca da diminuição da desigualdade fundiária no Brasil. Utiliza o método interpretativo histórico, e as técnicas de pesquisa bibliográfica e documental. Analisa a teoria de Dworkin acerca o princípio da igualdade e do direito como integridade. Conclui que a mudança na interpretação do direito de propriedade no Direito pode ser uma solução para diminuir as desigualdades no acesso à terra.

  8. BOOK REVIEW: European Perceptions of Terra Australis

    Science.gov (United States)

    Sterken, Christiaan

    2012-12-01

    Terra Australis - the southern land - has been one of the most widespread concepts in European geography from the sixteenth to the eighteenth century. This book comprises a set of 14 interdisciplinary scholarly contributions that deal with personal perceptions of Terra Australis by cartographers and explorers, and with putting these perceptions in their historical and cultural environments. This book seems, at a first glance, to be very remote from astronomy - and even from the history of astronomy - however, as it also offers an excellent background to Captain James Cook's second voyage to observe the 1769 transit of Venus from Tahiti, it definitely is a work of truly interdisciplinary character. Cook's voyages, in fact, became a model in which key scientists of many nationalities and disciplines traveled together on ships. In these voyages, art, science, technology and political power were centralised and united. The chapters range across history, the visual arts, literature, popular culture, technology, politics and science. Issues of scientific reasoning are raised in the description of how people did think about the south before there even existed a perception of the unknown land - quite comparable to how ancient and early-modern astronomers had their thought about cosmology even before any observational data were available. Several early map systems - like the zonal and T-O maps (medieval world maps with the letter T inside an O representing the lands inside a circle of oceans) - are described, and the description of Roman geography shows the amazing fact that theory and practice were not unified, and existed independently of each other insofar that a real paradox between theory and observation had persisted for a very long time. The maps and charts also exemplify the long-lasting consequences of early modern copy-paste practice: navigators copied original sketch charts of coasts that were previously unknown to them, herewith committing many translation and

  9. Terra Nova Environmental effects monitoring program

    International Nuclear Information System (INIS)

    Williams, U.; Murdoch, M.

    2000-01-01

    Elements of the environmental effects monitoring program in the Terra Nova oil field, about 350 km east-southeast of St. John's, Newfoundland, are described. This oilfield is being developed using a floating production storage and offloading (FPSO) facility. A total of 24 wells are expected to be drilled through seven subsea templates located in four glory holes to protect them from icebergs. Subsea installations will be linked to the FPSO by trenched flowlines connected to flexible risers. The FPSO will offload to shuttle tankers. First oil is expected in 2001. The environmental effects monitoring program will be conducted annually for the first two years beginning in 2000. Subsequent scheduling will be determined after a review of monitoring data collected during the first three years. Input to the design of the monitoring program was provided by all stakeholders, i. e. owners, local public, government agencies and regional and international experts. A model was developed linking project discharges and possible effects to the environment, including marine resources in the area, and the information derived from these activities was used to generate a set of predictions and hypotheses to be tested in the monitoring program. The monitoring program will use two spatial models: a regression or gradient design and a control-impact design. The gradient design will monitor water column and sediment chemistry, sediment toxicity and benthic invertebrate communities. The control-impact design will be used to monitor larger and more mobile fish or shellfish. The evaluated results will serve as the basis for determining impact predictions and to provide information to allow for decisions pertaining to the protection of the marine environment

  10. Rochas-mater da "terra roxa"

    Directory of Open Access Journals (Sweden)

    M. Gutmans

    1943-09-01

    Full Text Available Physico-chemical and mineralogical studies of the soils of the São Paulo State by the Soil Division of The Agronomical Institute proved the existence of different violet soils in South-Brasil and its origin from basaltic rocks. The Brasilian denomination "terra roxa" is already many times translated to "red soil", which is inexact, because the colour "roxa" corresponds to "violet" in English. We must insist on the perfection of Brasilian expression, which gives the shortest and the best characteristic of the true violet soil, derived through the decomposition of basalts and diabases in the São Paulo State. The term "red soil" originated much confusion, because there are in this state many "red soils" of different origins, but the true violet soil is quite unique. The violet colour of this soil appears very beautifully on the clean fields above the diabase hills at the distance of some hundreds of meters. In the state of complete dryness the violet soil becomes coffee brown, but never gets a red colour. The violet soil is the best soil of South America, on the contrary the red soils, which are mostly lateritic, are bad soils. Some exceptions, do exist, of course. The basalts produce laterites and other red soils of better qualities. With the purpose to contribute to the study of the violet and the red soils the present essay was made, describing the basic rocks of South-Brasil, as mother rocks of soils. The basic monograph of Djalma Guimarães "Magmatic Province of South-Brasil" (5, many times mentioned in the petrographic literature, definitively established the principal types and the mineral-components of triassic basic rocks in South-Brasil. We have found some varieties of basic rocks, not ye

  11. Transferências orbitais dentro do modelo quase bicircular no sistema Terra-Lua-Sol

    Science.gov (United States)

    Corrêa, A. A.; de Almeida Prado, A. F. B.; Stuchi, T. J.; Beaugé, C.

    2003-08-01

    O problema quase bicircular planar consiste na determinação da dinâmica de um corpo, de massa desprezível, que se move sob o campo gravitacional de três corpos. No caso estudado, o quarto corpo é considerado um satélite artificial e os demais são a Terra, a Lua e o Sol, formando o sistema de três corpos. Este modelo permite a construção de uma hamiltoniana similar a do problema restrito de três corpos (PRTC), incluindo termos periódicos não autônomos, provenientes da presença do Sol, portanto pode ser entendido como uma perturbação ao PRTC. Suas órbitas periódicas aparecem isoladas e possuem o mesmo período solar. Os pontos de equilíbrio colineares possuem o mesmo caráter de estabilidade linear dos pontos lagrangianos (L1, L2 e L3) do PRTC, sendo do tipo sela x centro x centro, instável na direção x e estáveis nas direções y e z. As órbitas periódicas tridimensionais ao redor do ponto colinear é chamada órbita Halo. O objetivo deste trabalho é determinar órbitas de transferências de baixo consumo de combustível para um veículo espacial partindo de uma órbita de estacionamento ao redor da Terra em direção a uma órbita Halo do ponto L1, situado entre a Terra e Lua. Esta tarefa pode ser transformada no problema de valor de contorno: dado um ponto inicial na órbita de estacionamento, um ponto final na órbita halo e o tempo de transferência, deseja-se obter a trajetória que liga estes dois pontos e que minimize os incrementos de velocidade do veículo. Essas transferências são realizadas baseadas no método de Lambert e analisadas de modo a fornecer um baixo consumo. Posteriormente, é feita uma comparação de consumo com as órbitas de transferência equivalentes do PRTC.

  12. The Role of Firm Ownership on Internationalization

    DEFF Research Database (Denmark)

    Hobdari, Bersant; Gregoric, Aleksandra; Sinani, Evis

    2011-01-01

    This paper investigates how different types of owners influence the extent of firm internationalization, measured by the share of firm exports in total sales. The results of the analysis carried out using firm level data of Estonian and Slovenian firms, show that the firms under the control...... in internationalization process. Finally, high market share also leads to increased internationalization through exports as firms seek to expand in foreign markets after having dominated the domestic ones....

  13. Web traffic and firm performance

    DEFF Research Database (Denmark)

    Farooq, Omar; Aguenaou, Samir

    2013-01-01

    Does the traffic generated by websites of firms signal anything to stock market participants? Does higher web-traffic translate into availability of more information and therefore lower agency problems? And if answers to above questions are in affirmative, does higher web-traffic traffic translate...... into better firm performance? This paper aims to answer these questions by documenting a positive relationship between the extent of web-traffic and firm performance in the MENA region during the 2010. We argue that higher web-traffic lowers the agency problems in firms by disseminating more information...... to stock market participants. Consequently, lower agency problems translate into better performance. Furthermore, we also show that agency reducing role of web-traffic is more pronounced in regimes where information environment is already bad. For example, our results show stronger impact of web...

  14. Organizational change in family firms

    OpenAIRE

    HENDRIKX, Karolien; VOORDECKERS, Wim; LAMBRECHTS, Frank

    2009-01-01

    Many organizational change efforts don’t live up to their expectations, with inefficiencies in the interaction process between organizational actors as one of the main potential reasons for this failure. Therefore, this paper will focus on the impact of interaction processes on change within the specific organizational context of family firms. Family firms are particularly interesting for organizational change research since they have several unique characteristics that may facilitate or hind...

  15. Effect of MODIS Terra Radiometric Calibration Improvements on Collection 6 Deep Blue Aerosol Products: Validation and Terra/Aqua Consistency

    Science.gov (United States)

    Sayer, A. M.; Hsu, N. C.; Bettenhausen, C.; Jeong, M.-J.; Meister, G.

    2015-01-01

    The Deep Blue (DB) algorithm's primary data product is midvisible aerosol optical depth (AOD). DB applied to Moderate Resolution Imaging Spectroradiometer (MODIS) measurements provides a data record since early 2000 for MODIS Terra and mid-2002 for MODIS Aqua. In the previous data version (Collection 5, C5), DB production from Terra was halted in 2007 due to sensor degradation; the new Collection 6 (C6) has both improved science algorithms and sensor radiometric calibration. This includes additional calibration corrections developed by the Ocean Biology Processing Group to address MODIS Terra's gain, polarization sensitivity, and detector response versus scan angle, meaning DB can now be applied to the whole Terra record. Through validation with Aerosol Robotic Network (AERONET) data, it is shown that the C6 DB Terra AOD quality is stable throughout the mission to date. Compared to the C5 calibration, in recent years the RMS error compared to AERONET is smaller by approximately 0.04 over bright (e.g., desert) and approximately 0.01-0.02 over darker (e.g., vegetated) land surfaces, and the fraction of points in agreement with AERONET within expected retrieval uncertainty higher by approximately 10% and approximately 5%, respectively. Comparisons to the Aqua C6 time series reveal a high level of correspondence between the two MODIS DB data records, with a small positive (Terra-Aqua) average AOD offset <0.01. The analysis demonstrates both the efficacy of the new radiometric calibration efforts and that the C6 MODIS Terra DB AOD data remain stable (to better than 0.01 AOD) throughout the mission to date, suitable for quantitative scientific analyses.

  16. Identification of new genomospecies in the Mycobacterium terrae complex.

    Directory of Open Access Journals (Sweden)

    Yun Fong Ngeow

    Full Text Available Members of the Mycobacterium terrae complex are slow-growing, non-chromogenic acid-fast bacilli found in the natural environment and occasionally in clinical material. These genetically closely-related members are difficult to differentiate by conventional phenotypic and molecular tests. In this paper we describe the use of whole genome data for the identification of four strains genetically similar to Mycobacterium sp. JDM601, a newly identified member of the M. terrae complex. Phylogenetic information from the alignment of genome-wide orthologous genes and single nucleotide polymorphisms show consistent clustering of the four strains together with M. sp. JDM601 into a distinct clade separate from other rapid and slow growing mycobacterial species. More detailed inter-strain comparisons using average nucleotide identity, tetra-nucleotide frequencies and analysis of synteny indicate that our strains are closely related to but not of the same species as M. sp. JDM601. Besides the 16S rRNA signature described previously for the M. terrae complex, five more hypothetical proteins were found that are potentially useful for the rapid identification of mycobacterial species belonging to the M. terrae complex. This paper illustrates the versatile utilization of whole genome data for the delineation of new bacterial species and introduces four new genomospecies to add to current members in the M. terrae complex.

  17. Firm Exit, Technological Progress and Trade

    DEFF Research Database (Denmark)

    Schröder, Philipp; Sørensen, Allan

    The dynamics of export market exit and firm closure have found limited attention in the new heterogeneous-firms trade literature. In fact, several of the predictions on firm survival and exit stemming from this new class of models are at odds with the stylized facts. Empirically, higher productiv......The dynamics of export market exit and firm closure have found limited attention in the new heterogeneous-firms trade literature. In fact, several of the predictions on firm survival and exit stemming from this new class of models are at odds with the stylized facts. Empirically, higher...... productivity firms survive longer, most firm closures are young firms, higher productivity exporters are more likely to continue to export compared to less productive exporters and market exits as well as firm closures are typically preceded by periods of contracting market shares. The present paper shows...... liberalization on export market exit and firm closure....

  18. Day And Night In Terra Meridiani

    Science.gov (United States)

    2004-01-01

    [figure removed for brevity, see original site] Released 11 June 2004 This pair of images shows part of the Terra Meridiani region. Day/Night Infrared Pairs The image pairs presented focus on a single surface feature as seen in both the daytime and nighttime by the infrared THEMIS camera. The nighttime image (right) has been rotated 180 degrees to place north at the top. Infrared image interpretation Daytime: Infrared images taken during the daytime exhibit both the morphological and thermophysical properties of the surface of Mars. Morphologic details are visible due to the effect of sun-facing slopes receiving more energy than antisun-facing slopes. This creates a warm (bright) slope and cool (dark) slope appearance that mimics the light and shadows of a visible wavelength image. Thermophysical properties are seen in that dust heats up more quickly than rocks. Thus dusty areas are bright and rocky areas are dark. Nighttime: Infrared images taken during the nighttime exhibit only the thermophysical properties of the surface of Mars. The effect of sun-facing versus non-sun-facing energy dissipates quickly at night. Thermophysical effects dominate as different surfaces cool at different rates through the nighttime hours. Rocks cool slowly, and are therefore relatively bright at night (remember that rocks are dark during the day). Dust and other fine grained materials cool very quickly and are dark in nighttime infrared images. Image information: IR instrument. Latitude 1.3, Longitude 0.5 East (359.5 West). 100 meter/pixel resolution. Note: this THEMIS visual image has not been radiometrically nor geometrically calibrated for this preliminary release. An empirical correction has been performed to remove instrumental effects. A linear shift has been applied in the cross-track and down-track direction to approximate spacecraft and planetary motion. Fully calibrated and geometrically projected images will be released through the Planetary Data System in accordance with

  19. Ambiente institucional e compra de terras por estrangeiros em países em desenvolvimento

    Directory of Open Access Journals (Sweden)

    Leandro Simões Pongeluppe

    2014-03-01

    Full Text Available De acordo com o Banco Mundial, desde o final dos anos 2000 o movimento de aquisição de terras por estrangeiros tem se acentuado nos países em desenvolvimento, impulsionado pelo boom dos preços das commodities. Em termos teóricos, a abordagem da Nova Economia Institucional (NEI argumenta que as instituições são importantes para as estratégias dos agentes econômicos e seu desempenho. Neste estudo, apoiado na NEI, pretende-se responder como as instituições presentes em países periféricos refletem o processo de aquisições de terras por investidores estrangeiros. Para esse objetivo, foram utilizados dados secundários de organizações internacionais, como Food and Agriculture Organization, Banco Mundial, Conferência das Nações Unidas sobre Comércio e Desenvolvimento, Fundo Monetário Internacional, Organização para a Cooperação Econômica e Desenvolvimento Econômico, Wall Street Journal e agências nacionais. A hipótese principal é que a força ou a fraqueza presente no ambiente institucional em países em desenvolvimento tem influência relevante no nível de Investimento Estrangeiro Direto (IED. Para testar a hipótese, adota-se como metodologia a análise estatística, na qual se verifica a relação entre o nível de IED nos países receptores (variável dependente contra variáveis independentes: liberdade de investimento, direitos de propriedade e nível de corrupção. Espera-se?que os pa?ses com?ambientes institucionais independentes: liberdade de investimento, direitos de propriedade e nível de corrupção. Espera-se que os países com ambientes institucionais fracos, ou menos seguros, tendam a receber menores investimentos em compra de terras e arrendamentos do que outros países que têm estrutura institucional que garanta os direitos de propriedade.

  20. Evidence for volcanism in NW Ishtar Terra, Venus

    International Nuclear Information System (INIS)

    Gaddis, L.; Greeley, R.

    1989-01-01

    Venera 15/16 radar data for an area in NW Ishtar Terra, Venus, show an area with moderate radar return and a smooth textured surface which embays low lying areas of the surrounding mountainous terrain. Although this unit may be an extension of the lava plains of Lakshmi Planum to the southeast, detailed study suggests a separate volcanic center in NW Ishtar Terra. Lakshmi Planum, on the Ishtar Terra highland, exhibits major volcanic and tectonic features. On the Venera radar image radar brightness is influenced by slope and roughness; radar-facing slopes (east-facing) and rough surfaces (approx. 8 cm average relief) are bright, while west-facing slopes and smooth surfaces are dark. A series of semi-circular features, apparently topographic depressions, do not conform in orientation to major structural trends in this region of NW Ishtar Terra. The large depression in NW Ishtar Terra is similar to the calderas of Colette and Sacajawea Paterae, as all three structures are large irregular depressions. NW Ishtar Terra appears to be the site of a volcanic center with a complex caldera structure, possibly more than one eruptive vent, and associated lobed flows at lower elevations. The morphologic similarity between this volcanic center and those of Colette and Sacajawea suggests that centralized eruptions have been the dominant form of volcanism in Ishtar. The location of this volcanic center at the intersection of two major compressional mountain belts and the large size of the calders (with an inferred larg/deep magma source) support a crustal thickening/melting rather than a hot-spot origin for these magmas

  1. Pengaruh Family Control, Firm Size, Firm Risk, Dan Firm Life Cycle Terhadap Profitabilitas Dan Nilai Perusahaan Sektor Industri Barang Konsumsi

    OpenAIRE

    Servin, Servin

    2014-01-01

    This study aims to examine the effect of family control, firm size, firm risk, and firm lifecycle towards profitability and firm's value. Sampels were taken from 27 consumer goodscompanies, listed in Indonesia Stock Exchange, ranging from 2010 – 2012. The hypotheseswere tested using multiple regression analysis. In this study, profitability was measured byROA (Return on Asset) and firm's value was measured by Tobin's q. The result were, familycontrol and life cycle stage-growth had negative i...

  2. Merger incentives and the failing firm defense

    NARCIS (Netherlands)

    Bouckaert, J.M.C.; Kort, P.M.

    2014-01-01

    The merger incentives between profitable firms differ fundamentally from the incentives of a profitable firm to merge with a failing firm. We investigate these incentives under different modes of price competition and Cournot behavior. Our main finding is that firms strictly prefer exit of the

  3. 40 CFR 745.89 - Firm certification.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 30 2010-07-01 2010-07-01 false Firm certification. 745.89 Section 745... § 745.89 Firm certification. (a) Initial certification. (1) Firms that perform renovations for compensation must apply to EPA for certification to perform renovations or dust sampling. To apply, a firm must...

  4. Selection of workers and firm heterogeneity

    NARCIS (Netherlands)

    G.W.J. Hendrikse (George)

    1992-01-01

    textabstractA model based on differences between workers regarding their preferences for wage and leisure drives the heterogeneity of firms result. The more industrious workers are driven to small firms due to free riding in large firms. An industry consisting of small and large firms turns out to

  5. Process Ambidexterity for Entrepreneurial Firms

    Directory of Open Access Journals (Sweden)

    Sonia D. Bot

    2012-04-01

    Full Text Available Technology-based entrepreneurial firms must effectively support both mainstream exploitation and new-stream exploration in order to remain competitive for the long term. The processes that support exploitation and exploration initiatives are different in terms of logistics, payoff horizons, and capabilities. Few firms are able to strike a balance between the two, where mainstream exploitation usually trumps new-stream exploration. The ultimate goal is for the firm to operate effectively in a repeatable, scalable, and systematic manner, rather than relying on good luck and hoping either to come up with the next innovation or for the product to function according to its requirements. This article builds on the author’s years of experience in building businesses and transforming medium and large-sized, entrepreneurial technology firms, leading large-scale breakthrough and sustained performance improvements by using and evolving Lean Six Sigma methodologies, and reviews of technology innovation management and entrepreneurship literature. This article provides a process-based perspective to understanding and addressing the issues on balancing mainstream exploitation and new-stream exploration in medium and large-sized entrepreneurial firms and extending it to startups. The resulting capability is known as process ambidexterity and requires disciplined, agile, and lean business management.

  6. Terra Moderate Resolution Imaging Spectroradiometer (MODIS) Photosynthetically Available Radiation (PAR) Global Binned Data, reprocesing v2018

    Data.gov (United States)

    National Aeronautics and Space Administration — MODIS (or Moderate Resolution Imaging Spectroradiometer) is a key instrument aboard the Terra (EOS AM) and Aqua (EOS PM) satellites. Terra's orbit around the Earth...

  7. O Comportamento do Preço da Terra Agrícola: um modelo de painel de dados espaciais

    Directory of Open Access Journals (Sweden)

    Regina Lúcia Sanches Malassise

    2015-12-01

    Full Text Available Resumo: O presente artigo analisou o comportamento do preço da terra agrícola nos municípios do Paraná no período de 1999-2011. Partindo da revisão bibliográfica dos principais estudos nacionais sobre o tema, foi possível identificar os determinantes do preço da terra e os métodos utilizados. Neste sentido, optou­-se por estimar um modelo para o preço da terra via painel de dados espaciais. As estimativas indicaram que o valor bruto da produção agropecuária, a valorização patrimonial, o financiamento total à agropecuária, a relação investimento-receita municipal, o percentual da área plantada do município com soja e a incorporação da dependência espacial do preço da terra são variáveis que explicam o preço da terra no estado do Paraná. Estas explicariam 84% dos preços e indicaram que há maior ajuste intrapainel, sendo os efeitos espaciais mais intensos no próprio município e em relação ao todo. Em especial, o modelo proposto avançou em termos estruturais, com a incorporação de variáveis coletadas para todos os 399 municípios do Paraná, e em termos metodológicos, ao estimar via painéis de dados a influência dos efeitos de espacialidade sobre o preço da terra agrícola, destacando a importância da localização e da vizinhança na determinação de tal preço.

  8. Family firm research – A review

    Directory of Open Access Journals (Sweden)

    Qiang Cheng

    2014-09-01

    Part I of the article discusses the fundaments of family firms: the prevalence of and the agency conflicts within family firms. Part II summarizes the findings of recent U.S. family firm studies. It reviews the evidence on the family firm premium (how, which, and when family firms are associated with a valuation premium, the manifestation of the agency conflict between majority and minority shareholders in family firms, earnings quality and corporate disclosure, and the determinants of family ownership and control. Part III discusses the prevalence and characteristics of Chinese family firms and reviews the findings of related studies. The article concludes with some suggestions for future research.

  9. Consumer Networks and Firm Reputation

    DEFF Research Database (Denmark)

    Huck, Steffen; Lünser, Gabriele K.; Tyran, Jean-Robert

    Arguing that consumers are the carriers of firms' reputations, we examine the role of consumer networks for trust in markets that suffer from moral hazard. When consumers are embedded in a network, they can exchange information with their neighbours about their private experiences with different ...... sellers. We find that such information exchange fosters firms' incentives for reputation building and, thus, enhances trust and efficiency in markets. This efficiency-enhancing effect is already achieved with a rather low level of network density......Arguing that consumers are the carriers of firms' reputations, we examine the role of consumer networks for trust in markets that suffer from moral hazard. When consumers are embedded in a network, they can exchange information with their neighbours about their private experiences with different...

  10. Knowledge management in the firm

    DEFF Research Database (Denmark)

    Rasmussen, Palle; Nielsen, Peter

    2011-01-01

    to innovation and illustrates how combinations of these might benefit firm performance. It also stresses the preconditions of employee involvement and participation to knowledge management and not least the importance of interaction with environmental resources. To improve performance firms should be aware......Purpose – The purpose of this paper is to set focus on, and discuss the concept of knowledge, and show how the interrelations between knowledge and other concepts, such as learning, have become a decisive element in managing human resources and firm performance. Design....../methodology/approach – The dimensions of knowledge management are identified and related to learning, organizational configurations, human resources management and institutional environments in order to identify and percent the most important approaches to knowledge management and the development over time. Findings – Creating...

  11. Swedish Listed Family Firms and Entrepreneurial Spirit

    OpenAIRE

    Bjuggren, Per-Olof; Palmberg, Johanna

    2008-01-01

    This paper investigates the entrepreneurial spirit in Swedish listed family firms. We associate family firms with entrepreneurship in the sense that there is an identifiable person that takes the uninsurable risk in the sense of Knight. This paper analysis two questions: Do entrepreneurial family firms have a higher rate of growth and do they invest in a more profit maximizing fashion than other listed firms? The analysis shows that entrepreneurial family firms in general are smaller in terms...

  12. Stakeholder capitalism, corporate governance and firm value

    OpenAIRE

    Allen, Franklin; Carletti, Elena; Marquez, Robert

    2007-01-01

    In countries such as Germany, the legal system is such that firms are necessarily stakeholder oriented. In others like Japan social convention achieves a similar effect. We analyze the advantages and disadvantages of stakeholder-oriented firms that are concerned with employees and suppliers compared to pure shareholder-oriented firms. We show that in a context of imperfect competition stakeholder firms have higher prices and lower output than shareholder-oriented firms. Surprisingly, we also ...

  13. Development of vertical drilling apparatus (Terra-Drill); Entwicklung eines Vertikal-Bohrgeraets (Terra-Drill) - Schlussbericht

    Energy Technology Data Exchange (ETDEWEB)

    Jenne, D.

    2009-05-15

    This well-illustrated final report for the Swiss Federal Office of Energy (SFOE) reports on the development of a vertical drilling apparatus named Terra-Drill. The various stages of the development of the apparatus, which is based on earlier designs, is discussed. New norms issued in Germany for the size of boreholes for buried vertical heat-exchangers and the appropriate linings to be used are discussed. The new Terra Drill 4407 V drilling apparatus and its testing are discussed. The drill is quoted as being particularly suitable for cramped locations. Technical details are presented and a comprehensive collection of photographs is included. Various preliminary reports and development documentation are included.

  14. The Verdoorn law, firm strategy and firm performance

    NARCIS (Netherlands)

    Hartigh, den E.; Langerak, F.; Zegveld, M.A.; Geenhuizen, van M.; Trzmielak, D.M.; Gibson, D.V.; Urbaniak, M.

    2009-01-01

    In many markets and firms, positive feedback effects play an important role. Positive feedback effects mean that there is a tendency for that which is ahead to get further ahead, and for that which loses advantage to lose further advantage (Arthur, 1996). Such positive feedback effects result from

  15. Audit firm rotation, audit firm tenure and earnings conservatism

    NARCIS (Netherlands)

    Kramer, S.T.; Georgakopoulos, G.; Sotiropoulos, I.; Vasileiou, K.Z.

    2011-01-01

    This study aims to contribute to the debate around the possibility of mandating audit firm rotation. Specifically, it examines conservatism as an attribute of earnings quality, which has not attracted particular attention in the auditor rotation research. Applying regression analyses on a sample,

  16. Firm-Specific Learning and the Nature of the Firm

    DEFF Research Database (Denmark)

    Knudsen, Thorbjørn

    2007-01-01

    that a conjoint research program, encompassing both transaction costs and capabilities, must be developed and tested empirically. Cet article discute les limites d'une explication de l'existence de la firme fondée exclusivement sur les coûts de transaction en indiquant quelques facteurs additionnels susceptibles...... d'intervenir. Un modèle heuristique simple montre que les effets d'apprentissage spécifiques à la firme peuvent surmonter les coûts de surveillance des employés et expliquer l'existence de la firme même en l'absence de coûts de transaction liés au mode d'organisation de marché. Une comparaison de l......'importance relative des explications fondées sur les coûts de transaction et celles fondées sur les compétences en ce qui concerne l'existence de la firme montre qu'il n'y a aucune raison a priori de supposer la suprématie d'un type d'explication à l'autre. Nous soutenons qu'un programme de recherche conjoint...

  17. Firm Culture and Leadership as Firm Performance Predictors : a Resource-Based Perspective

    NARCIS (Netherlands)

    Wilderom, C.P.M.; van den Berg, P.

    2000-01-01

    In this study, we tested part of the resource-based view of the firm by examining two 'soft' resources, firm culture and top leadership, as predictors of 'hard' or bottom-line firm performance.Transformational top leadership was found to predict firm performance directly while the link between firm

  18. The Relationship between Offshoring Strategies and Firm Performance: Impact of innovation, absorptive capacity and firm size

    NARCIS (Netherlands)

    M.W. Roza-van Vuren (Marja)

    2011-01-01

    textabstractHow do offshoring strategies impact firm performance? And how are innovation, absorptive capacity and firm size influencing this relationship? This research investigates how firms of varying size, well-established firms and growing firms may profit from relocating business activities to

  19. Evaluating Terra MODIS Satellite Sensor Data Products for Maize ...

    African Journals Online (AJOL)

    Evaluating Terra MODIS Satellite Sensor Data Products for Maize Yield Estimation in South Africa. C Frost, N Thiebaut, T Newby. Abstract. The Free State Province of the Republic of South Africa contains some of the most important maize-producing areas in South Africa. For this reason this province has also been selected ...

  20. Accelerator mass spectrometry researches at NIES-TERRA

    International Nuclear Information System (INIS)

    Shibata, Yasuyuki; Yoneda, Minoru; Tanaka, Atsushi; Uehiro, Takashi; Morita, Masatoshi; Uchida, Masao; Yoshinaga, Jun

    2003-01-01

    In the AMS facility at the National Institute for Environmental Studies (NIES-TERRA; Tandem accelerator for Environmental Research and Radiocarbon Analysis), several research programs have been proceeded, including a program, called GC-AMS, for the compound-specific 14 C analysis in environmental samples

  1. Bilateral topographic symmetry patterns across Aphrodite Terra, Venus

    International Nuclear Information System (INIS)

    Crumpler, L.S.; Head, J.W.

    1988-01-01

    Western Aphrodite Terra, Venus, is characterized by a series of parallel linear structural discontinuities 2000--4000 km in length and 100--200 km wide, which strike at high angles to the general topographic trend of the Aphrodite Terra highlands. The broad chracteristics of the cross-strike discontinuities (CSDs) are similar to both strike-slip fault zones and terrestrial oceanic fracture zones. In an effort to distinguish between these two hypotheses, topographic profiles were taken across Aphrodite Terra to test for bilateral symmetry of the type associated with thermal boundary layer topography at divergent plate boundaries on Earth. In addition to a broad bilateral symmetry at a range of angles across Aphrodite Terra, detailed bilateral symmetry is observed within domains between linear discontinuities in directions generally parallel to the strike of the discontinuities. In addition, within a domain the centers of symmetry of several profiles define a linear rise crest that is oriented normal to the bounding CSDs and terminates against them

  2. Mucilaginibacter terrae sp nov., isolated from Antarctic soil

    Czech Academy of Sciences Publication Activity Database

    Sedláček, I.; Pantůček, R.; Králová, S.; Mašlaňová, I.; Holochová, P.; Staňková, E.; Sobotka, Roman; Barták, M.; Busse, H.-J.; Švec, P.

    2017-01-01

    Roč. 67, č. 10 (2017), s. 4002-4007 ISSN 1466-5026 R&D Projects: GA MŠk(CZ) LO1416 Institutional support: RVO:61388971 Keywords : Mucilaginibacter terrae sp nov. * James ross island * Antarctic Subject RIV: EE - Microbiology, Virology OBOR OECD: Microbiology Impact factor: 2.134, year: 2016

  3. Determinantes dos preços de terras no Brasil: uma análise de região de fronteira agrícola e áreas tradicionais

    Directory of Open Access Journals (Sweden)

    Aline Barrozo Ferro

    2013-09-01

    Full Text Available O estudo tem como objetivo analisar o impacto de variáveis sobre o preço da terra agrícola entre 2000 e 2010 em três regiões: fronteira agrícola (sul do Maranhão, sul do Piauí, leste do Tocantins e oeste da Bahia, área de transição (exploração relativamente recente, mas representa um importante produtor de soja, como o Centro-Oeste e desenvolvida (áreas tradicionais, como o Sul do País. Foram utilizadas as variáveis preço de soja, produtividade, área cultivada, crédito rural, investimento em transporte, capacidade de armazenamento e preço da terra no período anterior. A partir do modelo econométrico de dados em painel, observou-se que o preço da soja (representando a renda do produtor, teve relação estreita e positiva com o preço da terra. Verificou-se, também, que nas regiões menos ocupadas um aumento da demanda por área pode impactar negativamente em seu preço devido à maior elasticidade da oferta de terras e à possibilidade de conversão de terras brutas e de pastagens em agrícolas. Já na região desenvolvida, a relação é positiva, já que a oferta de terras é praticamente inelástica. O fator especulativo foi bastante representativo na fronteira agrícola, o que evidenciou o forte interesse de investidores no potencial de valorização da terra no período.

  4. 10 years of Terra Outreach over the Internet

    Science.gov (United States)

    Yuen, K.; Riebeek, H.; Chambers, L. H.

    2009-12-01

    1 Author Yuen, Karen JPL (818) 393-7716 2 Author Riebeek, Holli Sigma Space Corporation (department) at NASA Goddard Space Flight Center (Institution), Greenbelt, Maryland 3 Author Chambers, Lin NASA Abstract: Since launch, Terra has returned about 195 gigabytes (level 0) of data per day or 1 terabyte every 5 days. Few outlets were able to accommodate and quickly share that amount of information as well as the Internet. To honor the 10-year anniversary of the launch of Terra, we would like to highlight the education and outreach efforts of the Terra mission on the Internet and its reach to the science attentive public. The Internet or web has been the primary way of delivering Terra content to different groups- from formal and informal education to general public outreach. Through the years, many different web-based projects have been developed, and they were of service to a growing population of the science attentive public. One of Terra’s original EPO activities was the Earth Observatory. It was initially dedicated to telling the remote sensing story of Terra, but quickly grew to include science and imagery from other sensors. The web site allowed for collaboration across NASA centers, universities and other organizations by exchanging and sharing of story ideas, news and images. The award winning Earth Observatory helped pave the way for the more recently funded development of the Climate Change website. With its specific focus on climate change studies, once again, Terra stories and images are shared with an even more specific audience base. During the last 10 years, Terra as a mission has captured the imagination of the public through its visually stunning and artistically arresting images. With its five instruments of complementary but unique capabilities, the mission gave the world not just pretty pictures, but scientific data-based images. The world was able to see from space everything from calving icebergs to volcanic eruption plumes and the eye of a

  5. Dinâmicas no uso e cobertura da terra: perspectivas e desafios da Demografia

    Directory of Open Access Journals (Sweden)

    Julia Corrêa Côrtes

    2014-06-01

    Full Text Available Pensando de forma integrada a relação população-ambiente, o artigo aborda os estudos sobre dinâmica populacional e mudança no uso e cobertura da terra, com foco na contribuição e nos desafios da Demografia. Aproximando-se do tema em meados dos anos 1990, a Demografia teve como principal contribuição destacar a importância dos componentes populacionais nos modelos, antes, colocados como secundários e sob uma perspectiva simples. Demógrafos brasileiros dedicados a questões ambientais, embora tivessem prioritariamente a temática urbana no seu escopo, colaboraram de maneira indireta para a desenvoltura do campo, ao proporem uma releitura sobre relações população-ambiente. O artigo parte do caso da Amazônia brasileira, mostrando como a população foi explorada nas teorias sobre mudanças nos usos e coberturas da terra, passando pelo viés do crescimento populacional durante o período de fronteira agrícola, o modelo de ciclo de vida do domicílio (fecundidade e composição do domicílio na década de 1990 e, mais recentemente, o enfoque no componente migratório. Para a Demografia, aponta-se como essencial o aprofundamento nos elementos demográficos que não o volume e a inclusão do espaço e seus efeitos. Para a construção da Ciência da Mudança da Terra, destacam-se a incorporação de dinâmicas urbanas nas investigações, a adoção de uma metodologia multiescalar e o exercício do diálogo entre as diversas disciplinas, incorporando mais sistematicamente a contribuição da Demografia.

  6. Why Do Distressed Firms Acquire?

    NARCIS (Netherlands)

    Q. Zhang (Quxian)

    2016-01-01

    textabstractAcquisitions made by distressed firms in recent years are economically important. This paper explores the rationale behind such acquisitions using a natural experiment. Exploiting a recent tax change which reduces debt restructuring costs for certain creditors and decreases bankruptcy

  7. Small firm transformation through IS

    NARCIS (Netherlands)

    Levy, Margi; Powell, Philip

    2008-01-01

    Globally, Small and Medium-sized Enterprises (SMEs) are encouraged, particularly by governments, to embrace c-business. Fully adopting e-business involves substantial change in firms, both internally and externally. However, there is little understanding of the mechanisms by which such business

  8. Firm default and aggregate fluctuations

    NARCIS (Netherlands)

    Jacobson, Tor; Linde, Jesper; Roszbach, Kasper

    This paper studies the relationship between macroeconomic fluctuations and corporate defaults while conditioning on industry affiliation and an extensive set of firm-specific factors. By using a panel data set for virtually all incorporated Swedish businesses over 1990-2009, a period which includes

  9. Improving the firm's environmental conduct

    DEFF Research Database (Denmark)

    Knudsen, Thorbjørn; Koed Madsen, Tage

    2001-01-01

    lead to strategic advantage and, thus, economic gains at the firm level. In view of the great importance of this claim, the purpose of the present article was to apply resource-based insights in order to develop this reasoning further and provide an empirical test of three hypotheses related...

  10. Disability Management in Small Firms.

    Science.gov (United States)

    Drury, David

    1991-01-01

    Notes that American research has paid relatively little attention to prospects for adapting disability management practices to financial and management environment of smaller employers. Compares large and small firms in terms of employer disability practices and characteristics of disabled workers; discusses barriers to rehabilitation and…

  11. Drivers of Discretionary Firm Donations in Brazil

    Directory of Open Access Journals (Sweden)

    Rodrigo Bandeira-de-Mello

    2008-10-01

    Full Text Available Discretionary firm donation is usually related to the stakeholder theory and corporate social performance. Although theoretical explanations for this social behavior are pervasive in related literature, empirical modeling remains underdeveloped. We developed an explanatory structural model of discretionary firm donation using firm and industry level indicators. Unlike previous research, we estimated the explanatory power of the construct we called stakeholder orientation. Our tentative model was tested on a Brazilian sample of 101 publicly traded donor firms, using data on firm donations to social projects and to political candidates in electoral campaigns. The main results suggest that discretionary donation seems to be a strategy for managing conflicting claims in highly stakeholder oriented firms; the characteristics of the firm are more important than industry effects in explaining firm donations; and large firms, showing slack resources, and with a less concentrated ownership structure tend to engage in discretionary donation more intensively.

  12. Foreign Entry and Heterogeneous Growth of Firms

    DEFF Research Database (Denmark)

    Deng, Paul Duo; Jefferson, Gary H.

    We adopt the framework of Schumpeterian creative destruction formalized by Aghion et al. (2009) to analyze the impact of foreign entry on the productivity growth of domestic firms. In the face of foreign entry, domestic firms exhibit heterogeneous patterns of growth depending on their technologic...... manufacturing. Our empirical results confirm that foreign entry indeed generates strong heterogeneous growth patterns among domestic firms.......We adopt the framework of Schumpeterian creative destruction formalized by Aghion et al. (2009) to analyze the impact of foreign entry on the productivity growth of domestic firms. In the face of foreign entry, domestic firms exhibit heterogeneous patterns of growth depending on their technological...... distance from foreign firms. Domestic firms with smaller technological distance from their foreign counterparts tend to experience faster productivity growth, while firms with larger technological distance tend to lag further behind. We test this hypothesis using a unique firm-level data of Chinese...

  13. The Identity of Ownership on Firm Internationalization

    DEFF Research Database (Denmark)

    Strandskov, Jesper; Madsen, Tage Koed; Pedersen, Bent

    2016-01-01

    The paper develops an integrative ownership-internationalization model that explores the influences of various owner types (i.e. investor-owned firms, family-owned firms, employee-owned firms, cooperative–owned firms, and state-owned firms) on firm internationalization. Based on a comparative...... analysis of the various owner types, we discuss how each owner group’s main objectives, risk behavior and provision of resources influence their internationalization strategies and decisions (i.e. scale, scope and speed decisions)....

  14. Firm Based Trade Models and Turkish Economy

    Directory of Open Access Journals (Sweden)

    Nilüfer ARGIN

    2015-12-01

    Full Text Available Among all international trade models, only The Firm Based Trade Models explains firm’s action and behavior in the world trade. The Firm Based Trade Models focuses on the trade behavior of individual firms that actually make intra industry trade. Firm Based Trade Models can explain globalization process truly. These approaches include multinational cooperation, supply chain and outsourcing also. Our paper aims to explain and analyze Turkish export with Firm Based Trade Models’ context. We use UNCTAD data on exports by SITC Rev 3 categorization to explain total export and 255 products and calculate intensive-extensive margins of Turkish firms.

  15. Entrepreneurship and the Economics of the Firm

    DEFF Research Database (Denmark)

    Foss, Nicolai Juul

    The study of entrepreneurship and the study of economic organizing lack contact. In fact, the modern theory of the firm virtually ignores entrepreneurship, while the literature on entrepreneurship often sees little value in the economic theory of the firm. In contrast, we argue in this chapter...... that entrepreneurship theory and the theory of the firm can be usefully integrated, and that doing so would improve both bodies of theory. Adding the entrepreneur to the theory of the firm provides a dynamic view that the overly static analysis of firm organizing cannot support. Moreover, adding the firm to the study...... of the entrepreneur provides important clues to how we can understand entrepreneurship....

  16. :Envihab: facing intriguing challenges of human spaceflight and inspiring future challenges of medicine on earth – the brand-new research facility of the DLR1 Institute of Aerospace Medicine of the German Aerospace Center in Cologne, Germany = Envihab: enfrentando os intrigantes desafios do voo espacial tripulado e inspirando os futuros desafios da medicina na terra – o mais novo laboratório de pesquisa do Instituto de Medicina Aeroespacial do Centro Aeroespacial Alemão (DLR em Colônia (Alemanha

    Directory of Open Access Journals (Sweden)

    Koch, Bernhard

    2013-01-01

    Full Text Available Como um novo centro de projeto modular para experimentação médica, o propósito de: envihab é estudar em condições rigorosamente padronizadas os complexos problemas apresentados por um sistema de suporte de vida fechado (:envihab = habitat ambiental e as interações entre os seres humanos e o meio ambiente e possíveis contramedidas. O objetivo principal do: envihab é contribuir, através da investigação orientada por hipótese, a percepção científica e do progresso tecnológico, de modo a fornecer soluções para as principais questões mais importantes para a vida na Terra. O: envihab vai entregar resultados relevantes para a indústria do progresso científico, juntamente com suas vantagens econômicas, e incentivar o debate público sobre importantes questões orientadas para o futuro em relação a vida humana. Os dados coletados poderão ser utilizados como um ponto de partida para as futuras tarefas de modelação que serão necessárias em todas as áreas da medicina

  17. Do family CEOs impact firm value? An empirical analysis of Indian family firms

    Directory of Open Access Journals (Sweden)

    Lakshmi Kalyanaraman

    2015-01-01

    Full Text Available We study the association between family CEO and firm value on a sample of 288 family firms during the 6-year period, from 2009 to 2014. The sample is drawn from domestic private companies belonging to non-financial services sector included in the NSE CNX 500 index. We find that family CEO has no significant association with firm value, when the family is not the majority shareholder. Family shareholding has positive relationship with firm value, but does not moderate the relationship of family CEO with firm value. We show that family CEO and firm value are negatively related when the family does not hold majority equity stake in the family firm. While family shareholding has no significant relationship with firm value, it has a negative interaction effect on the relationship between family CEO and firm value. The research findings have important implications for family firms as well as the nonfamily investors in the family firms.

  18. Multiple Blockholder Structures and Family Firm Performance

    DEFF Research Database (Denmark)

    Fattoum-Guedri, Asma; Guedri, Zied; Delmar, Frédéric

    2018-01-01

    This study examines how multiple blockholder structures affect family firm performance. Building on arguments from both principal–principal agency and familiness perspectives, we suggest that asymmetrical distribution of voting power among family and nonfamily blockholders hurts firm performance....

  19. Heterogeneity in Firm Performance During Economic Crisis

    Directory of Open Access Journals (Sweden)

    Sergio Bruni

    2014-06-01

    Full Text Available What happens to firms during periods of deep economic crisis? Did different types of firms perform differently under the economic crisis? With the aid of a rich database and focusing on the literature regarding the growth of firms, this paper investigates the relative profitability performance of Italian firms during the current economic crisis, exploring those factors, which help certain firms to do relatively better even in the slowdown period. Some preliminary results show that the Italian firms that are relatively young in age, with relatively better current liquidity and more focused on domestic market have performed better than other firms. Furthermore, firms operating in high-tech and in highly concentrated sectors have enjoyed a better performance in this period.

  20. An Aspirational Community Theory of the Firm

    DEFF Research Database (Denmark)

    Li, Xin

    propose an aspirational community theory of the firm (ACT) as a candidate theory by conceptualizing the firm as an aspirational community, the core of which is a group of like-minded people sharing similar or same aspiration/vision. To explain the existence of the firm, we make a distinction between......All of the three major theories of the firm, i.e., the transaction cost theory, knowledge-based theory and the entrepreneurship theory, offer some insightful analyses of the nature of the firm. However, they all have limitations and weaknesses in answering the fundamental question of the existence...... of the firm. In addition, they are all partial due to their particular focus on the multifaceted phenomenon of the firm. We argue that it is necessary and sufficient to develop a comprehensive yet integrative theory of the firm that combines the three competing yet complementary logics. Toward this end, we...

  1. Reproducing the Firm : Routines, Networks, and Identity

    NARCIS (Netherlands)

    Dolfsma, Wilfred; Chong-Simandjuntak, Liza; Geurts, Amber

    2017-01-01

    Firm survival or reproduction does not occur as a matter of course. Especially under circumstances in which uncertainty and equivocality prevail is firm reproduction potentially problematic. Uncertainty prevails when there is insufficient or inadequate information to assess a situation, equivocality

  2. How do Economic Crises Impact Firm Boundaries?

    DEFF Research Database (Denmark)

    Foss, Kirsten

    2010-01-01

    How economic crises impact the boundaries of firms has been offered virtually no attention in the literature on the theory of the firm. I review the best-known theories of the firm and identify the variables that matter for the explanation of firm boundaries. I then examine how an economic crisis...... may impact these variables and change efficient firm boundaries. The various theories of the firm have difficulties explaining how firms efficiently adapt their boundaries to such prominent characteristics of economic crisis as declining demand and increased costs of external finance. However, all...... these theories stress uncertainty as an antecedent of firm organization, and as uncertainty is also an important characteristic of an economic crisis I examine how uncertainty is allowed to play out in the various theories in order to identify what predictions we can derive from the theory regarding changes...

  3. Firm Decisions: Determinants of Investments

    OpenAIRE

    Ionescu Alexandra

    2011-01-01

    The investment decision is part of a companies’ investment strategy. Defined as a logical set of technical and economic information, the investment strategy determines the main objectives of the firm regarding its investments, based on studies, analysis and simulations. It also establishes the actions to be undertaken in order to achieve the objectives, methods of achieving them, sources of funding and resource allocation methods. Still, all these are influenced by several factors. The invest...

  4. Progressive Taxes and Firm Births

    OpenAIRE

    Hans Ulrich Bacher; Marius Brülhart

    2013-01-01

    Tax reform proposals in the spirit of the 'flat tax' model typically aim to reduce three parameters: the average tax burden, the progressivity of the tax schedule, and the complexity of the tax code. We explore the implications of changes in these three parameters on entrepreneurial activity, measured by counts of firm births. The Swiss fiscal system offers sufficient intra-national variation in tax codes to allow us to estimate these effects with considerable precision. We find that high ave...

  5. The firm-nature relationship

    DEFF Research Database (Denmark)

    Ulhøi, John Parm; Madsen, Henning

    2005-01-01

    Taking the stakeholder concept of the firm as a starting point, the paper presents data and analyses from a longitudinal study initiated in 1995 and repeated every four years. In discussing state-of-the-art insights and experiences, the paper identifies challenges which, if adequately addressed......, reducing it to a question of self-regulated eco-modernist actions. In closing, the paper addresses implications for academia and industry....

  6. Constitutional orders in multinational firms

    DEFF Research Database (Denmark)

    Hull Kristensen, Peer; Morgan, Glenn

    Multinationals are faced with the problem of how to coordinate different actors and stop `fiefdoms' emerging that inhibits the achievement of transnational cooperation? We identify this as a problem of `constitutional ordering' in the firm. Drawing on Varieties of Capitalism approaches, we explore...... how multinationals from different contexts seek to create constitutional orders. We argue that the models which exist appear to be destructive of coordination. We explore the implications for MNCs....

  7. Geoecologia da paisagem X legislação ambiental: uma análise da distribuição espacial das restrições ao uso da terra frente à problemática erosiva na alta bacia do Ribeirão Areia Dourada, Marabá Paulista (SP / Geoecology of the landscape X environmental legislation: an analysis of the spatial distribution of the land use restrictions and ther relation with erosion issues in the upper basin of the river Areia Dourada, Marabá Paulista (SP

    Directory of Open Access Journals (Sweden)

    Felipe Augusto Scudeller Zanatta

    2016-09-01

    Full Text Available A promulgação do atual Código Florestal (Lei 12.651/12 gerou preocupações quanto à preservação e à proteção dos recursos naturais nos diferentes Biomas do Brasil, muito devido ao seu caráter genérico e à tolerância aos usos abusivos. Frente a essa questão, neste artigo é apresentado um estudo aplicado e comparativo das restrições ao uso nas propriedades privadas de acordo o atual Código Florestal, e com o zoneamento ambiental, elaborado a partir da proposta da geoecologia da paisagem, aplicados na alta bacia do ribeirão Areia Dourada, Marabá Paulista (SP. Assim, tem-se como objetivo avaliar as diferenças espaciais na restrição ao uso da terra identificadas em consonância com a Lei 12.651/12 e com o estudo conduzido a partir da metodologia da geoecologia, que se caracteriza por integrar os diversos elementos que compõem a paisagem natural. A demais, foram acrescidas à análise as feições erosivas lineares, no intuito de comparar a fragilidade natural da bacia com as consequências de usos inadvertidos. Como resultado, o atual Código Florestal contempla a preservação de apenas 6,28% (290,55 ha da área da bacia, o que tende a agravar a problemática erosiva, enquanto a metodologia da geoecologia aponta para a necessidade de preservar, pelo menos, 51,66% (2.388,28 ha. Esses terrenos ainda incidem diretamente nas áreas com erosões em ravinas e voçorocas, indicando de forma eficiente a fragilidade natural da bacia.

  8. International taxation and multinational firm location decisions

    OpenAIRE

    Barrios Cobos, Salvador; Huizinga, Harry; Laeven, Luc; Nicodème, Gaëtan J.A.

    2008-01-01

    Using a large international firm-level data set, we estimate separate effects of host and parent country taxation on the location decisions of multinational firms. Both types of taxation are estimated to have a negative impact on the location of new foreign subsidiaries. In fact, the impact of parent country taxation is estimated to be relatively large, possibly reflecting its international discriminatory nature. For the cross-section of multinational firms, we find that parent firms tend to ...

  9. 10 CFR 603.1230 - Commercial firm.

    Science.gov (United States)

    2010-01-01

    ... 10 Energy 4 2010-01-01 2010-01-01 false Commercial firm. 603.1230 Section 603.1230 Energy... Used in this Part § 603.1230 Commercial firm. A for-profit firm or segment of a for-profit firm (e.g., a division or other business unit) that does a substantial portion of its business in the commercial...

  10. Drought-induced mortality patterns and rapid biomass recovery in a terra firme forest in the Colombian Amazon.

    Science.gov (United States)

    Zuleta, Daniel; Duque, Alvaro; Cardenas, Dairon; Muller-Landau, Helene C; Davies, Stuart J

    2017-10-01

    Extreme climatic events affecting the Amazon region are expected to become more frequent under ongoing climate change. In this study, we assessed the responses to the 2010 drought of over 14,000 trees ≥10 cm dbh in a 25 ha lowland forest plot in the Colombian Amazon and how these responses varied among topographically defined habitats, with tree size, and with species wood density. Tree mortality was significantly higher during the 2010-2013 period immediately after the drought than in 2007-2010. The post-drought increase in mortality was stronger for trees located in valleys (+243%) than for those located on slopes (+67%) and ridges (+57%). Tree-based generalized linear mixed models showed a significant negative effect of species wood density on mortality and no effect of tree size. Despite the elevated post-drought mortality, aboveground biomass increased from 2007 to 2013 by 1.62 Mg ha -1  yr -1 (95% CI 0.80-2.43 Mg ha -1  yr -1 ). Biomass change varied among habitats, with no significant increase on the slopes (1.05, 95% CI -0.76 to 2.85 Mg ha -1  yr -1 ), a significant increase in the valleys (1.33, 95% CI 0.37-2.34 Mg ha -1  yr -1 ), and a strong increase on the ridges (2.79, 95% CI 1.20-4.21 Mg ha -1  yr -1 ). These results indicate a high carbon resilience of this forest to the 2010 drought due to habitat-associated and interspecific heterogeneity in responses including directional changes in functional composition driven by enhanced performance of drought-tolerant species that inhabit the drier ridges. © 2017 by the Ecological Society of America.

  11. Supervolcanoes within an ancient volcanic province in Arabia Terra, Mars.

    Science.gov (United States)

    Michalski, Joseph R; Bleacher, Jacob E

    2013-10-03

    Several irregularly shaped craters located within Arabia Terra, Mars, represent a new type of highland volcanic construct and together constitute a previously unrecognized Martian igneous province. Similar to terrestrial supervolcanoes, these low-relief paterae possess a range of geomorphic features related to structural collapse, effusive volcanism and explosive eruptions. Extruded lavas contributed to the formation of enigmatic highland ridged plains in Arabia Terra. Outgassed sulphur and erupted fine-grained pyroclastics from these calderas probably fed the formation of altered, layered sedimentary rocks and fretted terrain found throughout the equatorial region. The discovery of a new type of volcanic construct in the Arabia volcanic province fundamentally changes the picture of ancient volcanism and climate evolution on Mars. Other eroded topographic basins in the ancient Martian highlands that have been dismissed as degraded impact craters should be reconsidered as possible volcanic constructs formed in an early phase of widespread, disseminated magmatism on Mars.

  12. Geological Mapping of the Lada Terra (V-56) Quadrangle, Venus

    Science.gov (United States)

    Kumar, P. Senthil; Head, James W., III

    2009-01-01

    Geological mapping of the V-56 quadrangle (Fig. 1) reveals various tectonic and volcanic features and processes in Lada Terra that consist of tesserae, regional extensional belts, coronae, volcanic plains and impact craters. This study aims to map the spatial distribution of different material units, deformational features or lineament patterns and impact crater materials. In addition, we also establish the relative age relationships (e.g., overlapping or cross-cutting relationship) between them, in order to reconstruct the geologic history. Basically, this quadrangle addresses how coronae evolved in association with regional extensional belts, in addition to evolution of tesserae, regional plains and impact craters, which are also significant geological units of Lada Terra.

  13. Development Application - Terra Nova Development - Canada-Newfoundland Benefits Plan

    International Nuclear Information System (INIS)

    1996-01-01

    The Canada-Newfoundland Benefits Plan, part of the overall application to develop the Terra Nova Field off the coast of Newfoundland details the benefits to Canadians, but most particularly to residents of Newfoundland and Labrador that a vibrant petroleum industry is expected to bring. In this document the proponents commit themselves to a course of action designed to enhance the opportunities for Canadian and Newfoundland participation in the development, in accordance with the Atlantic Accord legislation. In terms of this legislation, the project proponents are obliged to perform development functions from Newfoundland, acquire goods and services for the Terra Nova Development on a 'best value' basis, but consistent with the procurement policies and procedures for benefits. The proponents must consider Canadian and, in particular, Newfoundland benefits as one of the factors in the procurement of goods and services, and require contactors and subcontractors to adhere to the development's benefits principles, objectives and commitments. A 7-page glossary is also included

  14. Does Firm Innovation Affect Corporate Social Responsibility?

    NARCIS (Netherlands)

    R. Shen (Rui); Y. Tang (Yi); Y. Zhang (Ying)

    2016-01-01

    textabstractThis study examines the relationship between firm innovation and CSR. Stakeholders’ concern over transaction-specific investments exacerbates when firms engage heavily in innovation activities. To secure stakeholders’ support, firms adopt CSR effectively as an ex ante signal of

  15. Finding the "Right Staff" in Small Firms

    Science.gov (United States)

    Barrett, Rowena; Neeson, Robyn; Billington, Leo

    2007-01-01

    Purpose: The purpose of this paper is to explore what owners of small firms are looking for from new employees. The aim is to pursue this in light of the debate around formality and informality of small firm HRM, exploring the extent to which the small firms studied had formalized HRM practices. Design/methodology/approach: The data reported here…

  16. The Dividend Policy of German Firms

    NARCIS (Netherlands)

    Andres, C.; Betzer, A.; Goergen, M.; Renneboog, L.D.R.

    2008-01-01

    Abstract: German firms pay out a lower proportion of their cash flows, but a higher proportion of their published profits than UK and US firms. We estimate partial adjustment models and report two major findings. First, German firms base their dividend decisions on cash flows rather than published

  17. The Dividend Policy of German Firms

    NARCIS (Netherlands)

    Andres, C.; Betzer, A.; Goergen, M.; Renneboog, L.D.R.

    2008-01-01

    German firms pay out a lower proportion of their cash flows, but a higher proportion of their published profits than UK and US firms. We estimate partial adjustment models and report two major findings. First, German firms base their dividend decisions on cash flows rather than published earnings as

  18. 7 CFR 51.893 - Firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Firm. 51.893 Section 51.893 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Grades of Table Grapes (European or Vinifera Type) 1 Definitions § 51.893 Firm. Firm means...

  19. 7 CFR 51.705 - Fairly firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Fairly firm. 51.705 Section 51.705 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... § 51.705 Fairly firm. Fairly firm as applied to common oranges, means that the fruit may be slightly...

  20. 7 CFR 51.1551 - Firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Firm. 51.1551 Section 51.1551 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Grades of Potatoes 1 Definitions § 51.1551 Firm. Firm means that the potato is not shriveled...

  1. 7 CFR 51.1831 - Fairly firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Fairly firm. 51.1831 Section 51.1831 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Grades of Florida Tangerines Definitions § 51.1831 Fairly firm. Fairly firm means that the...

  2. 7 CFR 51.696 - Firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Firm. 51.696 Section 51.696 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... § 51.696 Firm. Firm as applied to common oranges, means that the fruit is not soft, or noticeably...

  3. 24 CFR 200.47 - Firm commitments.

    Science.gov (United States)

    2010-04-01

    ... 24 Housing and Urban Development 2 2010-04-01 2010-04-01 false Firm commitments. 200.47 Section 200.47 Housing and Urban Development Regulations Relating to Housing and Urban Development (Continued... Eligibility Requirements for Existing Projects Commitment Applications § 200.47 Firm commitments. A valid firm...

  4. 7 CFR 51.774 - Fairly firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Fairly firm. 51.774 Section 51.774 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Grades of Florida Grapefruit Definitions § 51.774 Fairly firm. Fairly firm means that the...

  5. 7 CFR 51.1156 - Firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Firm. 51.1156 Section 51.1156 Agriculture Regulations... Standards for Grades of Florida Oranges and Tangelos Definitions § 51.1156 Firm. Firm as applied to common... oranges of the Mandarin group (Satsumas, King, Mandarin), “firm” means that the fruit is not extremely...

  6. 7 CFR 51.2843 - Fairly firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Fairly firm. 51.2843 Section 51.2843 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Fairly firm. Fairly firm means that the onion may yield slightly to moderate pressure but is not...

  7. 7 CFR 51.634 - Firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Firm. 51.634 Section 51.634 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing...) Definitions § 51.634 Firm. Firm means that the fruit is not soft, or noticeably wilted or flabby, and the skin...

  8. 7 CFR 51.1012 - Fairly firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Fairly firm. 51.1012 Section 51.1012 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Persian (Tahiti) Limes Definitions § 51.1012 Fairly firm. Fairly firm means that the fruit is...

  9. 7 CFR 51.1353 - Firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Firm. 51.1353 Section 51.1353 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Pears for Canning Definitions § 51.1353 Firm. Firm means that the pear is fairly solid and...

  10. 7 CFR 51.3204 - Fairly firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Fairly firm. 51.3204 Section 51.3204 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Grades of Bermuda-Granex-Grano Type Onions Definitions § 51.3204 Fairly firm. Fairly firm...

  11. 78 FR 70987 - Proxy Advisory Firm Roundtable

    Science.gov (United States)

    2013-11-27

    ... Firm Roundtable AGENCY: Securities and Exchange Commission. ACTION: Notice of roundtable discussion... advisory firms. The panel will be asked to discuss topics including the current state of proxy advisory firm use by investment advisers and institutional investors and potential changes that have been...

  12. 7 CFR 51.1006 - Firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Firm. 51.1006 Section 51.1006 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Persian (Tahiti) Limes Definitions § 51.1006 Firm. Firm means that the fruit is not soft or...

  13. 7 CFR 51.1824 - Firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Firm. 51.1824 Section 51.1824 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Grades of Florida Tangerines Definitions § 51.1824 Firm. Firm means that the flesh is not soft...

  14. 7 CFR 51.1167 - Fairly firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Fairly firm. 51.1167 Section 51.1167 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Grades of Florida Oranges and Tangelos Definitions § 51.1167 Fairly firm. Fairly firm as...

  15. 7 CFR 51.765 - Firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Firm. 51.765 Section 51.765 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Standards for Grades of Florida Grapefruit Definitions § 51.765 Firm. Firm means that the fruit is not soft...

  16. 7 CFR 51.643 - Fairly firm.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Fairly firm. 51.643 Section 51.643 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing...) Definitions § 51.643 Fairly firm. Fairly firm means that the fruit may be slightly soft, but not bruised, and...

  17. Firm-Level Corruption in Vietnam

    DEFF Research Database (Denmark)

    Rand, John; Tarp, Finn

    This paper uses a unique panel dataset on firm-level corruption. It contains quantitative information on bribe payments by a sample of formal and informal Vietnamese firms. We show that bribe incidence is highly associated with firm-level differences in (i) visibility, (ii) sunk costs, (iii...

  18. FOOD ENTREPRENEUR SUSTAINABLE ORIENTATION AND FIRM PRACTICES

    OpenAIRE

    Mark A. Gagnon; Pamela A. Heinrichs

    2016-01-01

    This exploratory research examines the relationship between food entrepreneur sustainable orientation, mindset and firm sustainable practices in a mixed methods format. In particular we seek to address if entrepreneur behavior and firm practices are congruent with founding entrepreneur espoused support of sustainability. Our survey findings with thirty specialty food entrepreneurs suggest tenuous empirical support for the relationship of entrepreneur sustainable orientation, mindset and firm ...

  19. Il nucleo terrestre: il cuore magnetico della Terra

    OpenAIRE

    De Santis, A.

    2006-01-01

    Il campo magnetico terrestre è una proprietà intrinseca del nostro pianeta e di altri oggetti del sistema solare. Il Sole stesso possiede un forte campo magnetico che si inverte quasi ciclicamente ogni 10-11 anni; tale comportamento è visibile attraverso la medesima ciclicità delle macchie solari che denotano sulla superficie l’intensa attività magnetica della nostra stella. Il campo magnetico terrestre è importantissimo per la vita sulla Terra. Esso protegge il pianeta dalle p...

  20. Terra MODIS Band 27 Electronic Crosstalk Effect and Its Removal

    Science.gov (United States)

    Sun, Junqiang; Xiong, Xiaoxiong; Madhavan, Sriharsha; Wenny, Brian

    2012-01-01

    The MODerate-resolution Imaging Spectroradiometer (MODIS) is one of the primary instruments in the NASA Earth Observing System (EOS). The first MODIS instrument was launched in December, 1999 on-board the Terra spacecraft. MODIS has 36 bands, covering a wavelength range from 0.4 micron to 14.4 micron. MODIS band 27 (6.72 micron) is a water vapor band, which is designed to be insensitive to Earth surface features. In recent Earth View (EV) images of Terra band 27, surface feature contamination is clearly seen and striping has become very pronounced. In this paper, it is shown that band 27 is impacted by electronic crosstalk from bands 28-30. An algorithm using a linear approximation is developed to correct the crosstalk effect. The crosstalk coefficients are derived from Terra MODIS lunar observations. They show that the crosstalk is strongly detector dependent and the crosstalk pattern has changed dramatically since launch. The crosstalk contributions are positive to the instrument response of band 27 early in the mission but became negative and much larger in magnitude at later stages of the mission for most detectors of the band. The algorithm is applied to both Black Body (BB) calibration and MODIS L1B products. With the crosstalk effect removed, the calibration coefficients of Terra MODIS band 27 derived from the BB show that the detector differences become smaller. With the algorithm applied to MODIS L1B products, the Earth surface features are significantly removed and the striping is substantially reduced in the images of the band. The approach developed in this report for removal of the electronic crosstalk effect can be applied to other MODIS bands if similar crosstalk behaviors occur.

  1. Cócs. Hallmark of the Terra Alta

    Directory of Open Access Journals (Sweden)

    Maria Del Loreto Meix

    2004-04-01

    Full Text Available This article looks at the traditional cake making in the Terra Alta (Catalonien area linked to festivities, and in particular the pastries usually made. In this area the pastries are known as cócs, a word common to Terra Alta and the neighbouring districts of Ribera d'Ebre and the Priorat. Locally produced mistelle, sweet or rancid wine is served with the pastries. Nowadays, the bakeries and cake makers in the area's towns and villages also produce traditionally crafted products, that used only to be homemade.The article, resulting from the final degree project produced by the author for her Humanities degree at the UOC, offers a privileged look at the richness of the Terra Alta in terms of its gastronomic history, customs and its high regard for its cakes. The author, who has previous experience in the field, places the specific aspects of Terra Alta cake making in the context of the Mediterranean cultures with common roots dating back to the ancient and medieval worlds and which still have an easily identifiable "family feel", whilst looking, from an ethnographic point of view, at what she calls the "world of wheat" in the area, (the dough for bread, the craft of the baker, the ovens and other tools, and the associated traditions, among other things. In short, she rescues a living part of the local day-to-day activities and places it under the microscope of food history, whilst providing information that may well be of interest for study from other points of view.

  2. Geologic map of the Lada Terra quadrangle (V-56), Venus

    Science.gov (United States)

    Kumar, P. Senthil; Head, James W.

    2013-01-01

    This publication provides a geological map of Lada Terra quadrangle (V–56), a portion of the southern hemisphere of Venus that extends from lat 50° S. to 70° S. and from long 0° E. to 60° E. V–56 is bordered by Kaiwan Fluctus (V–44) and Agnesi (V–45) quadrangles in the north and by Mylitta Fluctus (V–61), Fredegonde (V–57), and Hurston (V–62) quadrangles in the west, east, and south, respectively. The geological map of V–56 quadrangle reveals evidence for tectonic, volcanic, and impact processes in Lada Terra in the form of tesserae, regional extensional belts, coronae, and volcanic plains. In addition, the map also shows relative age relations such as overlapping or cross-cutting relations between the mapped geologic units. The geology observed within this quadrangle addresses (1) how coronae evolved in association with regional extensional belts and (2) how tesserae, regional plains, and impact craters, which are also significant geological units observed in Lada Terra quadrangle, were formed.

  3. 17 Years of Cloud Heights from Terra, and Beyond

    Science.gov (United States)

    Davies, R.

    2017-12-01

    The effective cloud height, H, is the integral of observed cloud-top heights, weighted by their frequency of occurrence. Here we look at changes in the effective cloud height, H', as measured by the Multiangle Imaging Spectroradiometer (MISR) on the first Earth Observing System platform, Terra. Terra was launched in December 1999, and now has over 17 years of consistently measured climate records. Globally, HG' has an important influence on Earth's climate, whereas regionally, HR' is a useful measure of low frequency changes in circulation patterns. MISR has a sampling error in the annual mean HG' of ≈11 m, allowing fairly small interannual variations to be detected. This paper extends the previous 15-year summary that showed significant differences in the long term mean hemispheric cloud height changes. Also of interest are the correlations in tropical cloud height changes and related teleconnections. The largest ephemeral values in the annual HR' [over 1.5 km] are noted over the Central Pacific and the Maritime Continent. These changes are strongly anticorrelated with each other, being directly related to changes in ENSO. They are also correlated with the largest ephemeral changes in HG'. Around the equator, we find at least four distinct centres of similar fluctuations in cloud height. This paper examines the relative time dependence of these regional height changes, separately for La Niña and El Niño events, and stresses the value of extending the time series of uniformly measured cloud heights from space beyond EOS-Terra.

  4. Essays on Firm Behavior in Developing Economies

    Science.gov (United States)

    Abeberese, Ama Baafra

    The performance of firms is central to growth in developing economies. A burgeoning literature within development economics seeks to understand the behavior of firms in developing countries and the constraints to their performance. This dissertation explores two types of constraints---infrastructure-related constraints and trade-related constraints---faced by manufacturing firms in developing countries. Despite the widely acknowledged importance of infrastructure for economic growth, there has been relatively little research on how infrastructure affects the decisions of firms. Electricity, in particular, is commonly cited by firms in developing countries as a major obstacle to their performance. In the first two chapters, I analyze the responses of firms to two types of electricity constraints, namely electricity prices and electricity shortages. Chapter 1 provides evidence on how electricity prices affect a firm's industry choice and productivity growth using data on Indian manufacturing firms. I construct an instrument for electricity price as the interaction between the price of coal paid by power utilities, which is arguably exogenous to firm characteristics, and the initial share of thermal generation in a state's total electricity generation capacity. I find that, in response to an exogenous increase in electricity price, firms reduce their electricity consumption and switch to industries with less electricity-intensive production processes. I also find that firm output, machine intensity and labor productivity decline with an increase in electricity price. In addition to these level effects, I show that firm output and productivity growth rates are negatively affected by high electricity prices. These results suggest that electricity constraints faced by firms may limit a country's growth by leading firms to operate in industries with fewer productivity-enhancing opportunities. Chapter 2 examines the impact of electricity shortages on firm investment. I

  5. Human Capital and Wages in Exporting Firms

    DEFF Research Database (Denmark)

    Munch, Jakob Roland; Skaksen, Jan Rose

    This paper studies the link between a firms education level, export performance and wages of its workers. We argue that firms may escape intense competition in international markets by using high skilled workers to differentiate their products. This story is consistent with our empirical results....... Using a very rich matched worker-firm longitudinal dataset we find that firms with high export intensities pay higher wages. However, an interaction term between export intensity and skill intensity has a positive impact on wages and it absorbs the direct effect of the export intensity. That is, we find...... an export wage premium, but it accrues to workers in firms with high skill intensities...

  6. Performance of Patenting Firms in Danish Manufacturing

    DEFF Research Database (Denmark)

    Madsen, Erik Strøjer; Smith, Valdemar; Nielsen, Anders Østergaard

    2000-01-01

    Most countries focus on industries with high technology and the governments grant subsidies to innovating firms. However, there has been remarkable few studies of the performance of innovative firms or industries. This study examines the performance of patent active firms compared to the non-patenting...... firms within the manufacturing sector in Denmark. Performance is measured both by growth in employment as well as in the return on equity and profit share in turnover. The results suggest that differences in performance of patenting and non-patenting firms are very small, which questions the political...

  7. Political uncertainty and firm risk in China

    Directory of Open Access Journals (Sweden)

    Danglun Luo

    2017-12-01

    Full Text Available The political uncertainty surrounded by the turnover of government officials has a major impact on local economies and local firms. This paper investigates the relationship between the turnover of prefecture-city officials and the inherent risk faced by local firms in China. Using data from 1999 to 2012, we find that prefecture-city official turnovers significantly increased firm risk. Our results show that the political risk was mitigated when new prefecture-city officials were well connected with their provincial leaders. In addition, the impact of political uncertainty was more pronounced for regulated firms and firms residing in provinces with low market openness.

  8. Firm Leverage and the Financial Crisis

    OpenAIRE

    Fatih Altunok; Arif Oduncu

    2014-01-01

    The firm growth dynamics is an important topic since the growth performance of firms is the main source of the economic growth in countries. Generally, crises produce a sharp decline in firms’ growth and this leads to a decline in both the level of employment and the income of households. This paper focuses on the role of firm leverage on the growth performance of the firm during the global financial crisis. We investigate whether the firms that experienced a large leverage increase before th...

  9. Does Labor Diversity Affect Firm Performance?

    DEFF Research Database (Denmark)

    Pytlikova, Mariola; Pozzoli, Dario; Parrotta, Pierpaolo

    /education significantly enhances firm performance as measured by firm TFP. Conversely, diversity in demographics and ethnicity brings mixed results – both dimensions of workforce diversity have either no or negative effects on firm TFP. Hence, it seems as if the negative effects, coming from communication and integration...... costs connected to a more demographically and culturally diverse workforce, counteract the positive effects of diversity on firm TFP, coming from creativity and knowledge spillovers. However, we find that ethnic diversity is valuable for firms operating in industries characterized by above-average trade...... openness, giving support to the hypothesis that an ethnically diverse workforce provides information and access to global markets....

  10. Do Treasure Islands Create Firm Value?

    DEFF Research Database (Denmark)

    Lai, Tat-kei; Ng, Travis

    They do! Otherwise, their use would not have been so prevalent among firms. How much firm value they create, however, is still an open question. Exploiting a political event in the U.K. that suddenly raised the cost of using tax havens, we find that there was a 0.87% reduction in cumulative...... abnormal return (CAR) among the sampled firms, corresponding to about £532 million in market capitalization. The firms of stronger corporate governance registered a stronger reduction in CAR. A simple linear extrapolation suggests that the firm value contributed by tax havens can be as much as £31 billion....

  11. Toward an Integrative Theory of the Firm

    DEFF Research Database (Denmark)

    Li, Xin

    understand the nature and behaviors of the firm, we need a comprehensive yet integrative theory. Toward this end, this paper proposes a relationship-based theory of the firm (R’BT) which claims that it is the relationships between the entrepreneur and other individuals or firms that determine the existence......This paper argues that the existing four major theories of the firm, i.e., the transaction cost theory, resource-based view, the entrepreneurial theory, and the stakeholder theory, are all insightful yet partial because each of them has a particular focus on the phenomenon of the firm. To better...

  12. Women in Top Management and Firm Performance

    DEFF Research Database (Denmark)

    Smith, Nina; Smith, Valdemar; Verner, Mette

    -observations for all Danish firms with more than 50 employees over the period 1994-2003, the analysis suggests that the proportion of women in top management jobs has from none to positive influence on firm performance. However, the results show that the strength of the effects of women in top management depends...... on how top CEOs are defined and on the method of estimation of the model. Next, the results point towards a positive influence on firm performance of the staff representation in the supervisory board of the firm but more women representing the shareholders in the supervisory board of the firm seems...

  13. Las producciones de Terra Sigillata Altoimperial de Sisapo (La Bienvenida, Ciudad Real II. Terra Sigillata Hispánica

    Directory of Open Access Journals (Sweden)

    Carmen Fernández Ochoa

    1993-01-01

    Full Text Available La Terra Sigillata Hispánica constituye el conjunto mejor representado en el marco de las producciones de vajilla fina romana proporcionadas por el yacimiento sisaponense. Presentamos en esta ocasión, el análisis de los ejemplares de fabricación hispana atendiendo a la distinción de los centros productores de que se abasteció este núcleo. Nuestro trabajo finaliza con una valoración global acerca de la evolución cronológica y comercial reflejada por las tres producciones de Terra Sigillata Altoimperial identificadas en el yacimiento: TSI, TSG y TSH, tras presentar las dos primeras en el anterior número de esta misma publicación.

  14. O direito à terra como um direito humano: a luta pela reforma agrária e o movimento de direitos humanos no Brasil

    Directory of Open Access Journals (Sweden)

    Rossana Rocha Reis

    2012-01-01

    Full Text Available O objetivo deste texto é analisar, por meio da história recente dos movimentos sociais que lutam pela reforma agrária no Brasil, a construção do direito à terra como um direito humano. A partir dos anos de 1970, a interação de movimentos camponeses da Igreja Católica progressista e da rede transnacional de direitos humanos confluiu na produção dessa ideia da posse da terra como um direito humano, que marcou não apenas a luta pela terra no Brasil, como também influenciou a forma como o próprio movimento de direitos humanos foi construído no país e na maneira como ele se inseriu nessa rede transnacional de ativistas.This article seeks to analyze, within the recent history of social movements that struggle for agrarian reform in Brazil today, the build of the land rights as a human right. Since the 1970s, the interaction between peasant movements, the progressive church and the transnational network of human rights has converged into this idea that the land rights are a human right, which not only has marked the character of the struggle for land in Brazil, but has also influenced the way in which the human rights movement has been constructed in the country and how it has taken its place within the transnational network of human rights activism.

  15. Division of Labor, Transaction Cost, Emergence of the Firm and Firm Size

    OpenAIRE

    Pak-Wai Liu; Xiaokai Yang

    1999-01-01

    In this paper a general equilibrium model is constructed to explain the emergence of firms and change in firm size by the tradeoff between economies of specialization and transaction cost. We show that firms emerge from the development of division of labor if the transaction efficiency for labor is smaller than that for intermediate goods. Given the emergence of firms, change in the average size of firms (average employment) will depend on the change in transaction efficiency for intermediate...

  16. Firm Innovation and the Ratchet Effect Among Consumer Packaged Goods Firms

    OpenAIRE

    Christine Moorman; Simone Wies; Natalie Mizik; Fredrika J. Spencer

    2012-01-01

    We consider how public firms influence their stock market valuations by timing the introduction of innovative new products. Our focus is on innovation ratchet strategy --firms timing the introduction of innovations in order to demonstrate an improvement in the number of introductions over time. We document that public firms use an innovation ratchet strategy more often than do private firms and that the stock market rewards public firms for doing so. These rewards from the stock market, howev...

  17. The theory of the firm. Vol. 3

    DEFF Research Database (Denmark)

    as an information processor. In addition, the collection features perspectives from business strategy and business history as well as methodological and doctrinal historical perspectives. Including over 60 classic papers, these volumes collect together contributions on the theory of the firm, beginning with Ronald......Firms have for a long time been part of the explanatory set-up of economics. However, it is only recently that economists have felt the need for an economic theory addressing: why firms are different; why firms exist; what determines their boundaries relative to "the market"; and what determines...... their internal organization. This collection documents the rise of the modern theory of the firm during the last two to three decades. It reprints classic writings from a diversity of perspectives, including not only contractual theories of the firm, but also knowledge-based theories and theories of the firm...

  18. Technology Licensing and Firm Innovation

    DEFF Research Database (Denmark)

    Moreira, Solon

    acquisition. The findings indicate that technology licensing is positively related to the number of inventions produced by the licensee in the years subsequent to the licensing deal. Subsequently, I investigate the moderating effect that organizational slack and myopia have on this main relationship....... The findings also suggest that high levels of Organizational Slack (available financial resources) strengthen the positive effect of licensing on innovation. However, higher levels of Organizational Myopia (the extent to which a firm draws on its own knowledge) can decrease the main effect of licensing....

  19. Founder Control, Ownership Structure and Firm Value: Evidence from Entrepreneurial Listed Firms in China

    Directory of Open Access Journals (Sweden)

    Lijun Xia

    2008-06-01

    Full Text Available In emerging markets, the deviation between the ultimate controlling shareholders' voting rights and their cash flow rights (hereafter “DVC” in the listed firms is quite prevalent. DVC could be introduced due to the ultimate controlling shareholders' opportunistic incentives, as well as by their incentives to improve firm efficiency. This study uses 229 listed firms ultimately controlled by individuals or families (hereafter “entrepreneurial firms” for 2004 in China, to investigate the effect of DVC on firm value and to determine whether it is different between founder and non-founder controlled firms. We find that DVC has a positive effect on firm value for founder controlled firms. This result implies that investors believe that their interests are better protected by founder controlled firms than by non-founder controlled firms.

  20. Conversation with Lara about the Earth and Land. (Spanish Title: Conversando con Lara sobre la Tierra y la Teirra.) Conversando com Lara sobre a Terra e a Terra

    Science.gov (United States)

    da Conceição Barbosa-Lima, Maria

    2010-12-01

    en que vive es el planeta Tierra y que, probablemente por ese motivo, distingue con precisión, dentro de los limites de comprensión de la edad y madurez asociada, la tierra y la Tierra. O presente artigo analisa uma entrevista livre enquanto uma menina de quatro anos e quatro meses, matriculada na educação infantil, desenhava a Terra. A entrevista se realizou fora do ambiente escolar e sem qualquer outra pessoa por perto que pudesse interferir. De acordo com Ferreira & Silva (2004), para que o pesquisador conheça realmente o que uma criança põe no papel através de grafismos e/ou desenhos, é necessário ouvi-la durante o processo de criação do desenho. A menina apresenta, em relação à Terra, o tradicional desenho plano com o 'céu' paralelo ao solo, conforme já apresentaram Nardi & Carvalho (1996). Mas quando solicitada a desenhar o Mundo - palavra empregada em um trabalho por Butterworth et al. (2002), com intenção de não provocar 'confusões' desnecessárias para seus pesquisados - o representa de forma circular, colocando-se sobre sua superfície. Seus desenhos levaram à conclusão que esta criança ainda não tem conhecimento de que o Mundo em que vive é o Planeta Terra e que, provavelmente por este motivo, diferencia com precisão, dentro dos limites impostos por sua idade e consequente maturidade, a terra e a Terra.

  1. Human Capital and Wages in Exporting Firms

    DEFF Research Database (Denmark)

    Munch, Jakob Roland; Skaksen, Jan Rose

    2006-01-01

    This paper studies the link between a firms education level, export performance and wages of its workers. We argue that firms may escape intence competition in international markets by using high skilled workers to differentiate their products. This story is consistent with our empirical results....... Osing a very rich matched worker-firm longitudinal dataset we find that firms with high export intensities pay higher wages. However, an interaction term between export intensity and skill intensity has a positive impact on wages and it absorbs the direct effect of the export intensity. That is, we find...... an export wage premium, but it accrues to workers in firms with high skill intensities.Keywords: Exports, Wages, Human Capital, Rent Sharing, Matched Worker-Firm DataJEL Classification: J30, F10, I20...

  2. Foreign Exchange Exposures of Korean Firms

    Directory of Open Access Journals (Sweden)

    Sungbin Cho

    2011-03-01

    Full Text Available We measure foreign exchange exposures as sensitivity of firm's value to FX premium in the CAPM plus FX premium model, and try to find determinants of the exposures; using data of non-financial companies listed in the Korea Exchange from the year 2007 to 2008. Main findings are as follows. If Korean won depreciates, only a small number of firms is benefitted while majority of firms are harmed to the contrary of common knowledge. As a firm's export increases, the foreign exchange exposure increases up to a certain level and after that it declines. And, smaller firms of negative foreign exchange exposures are more sensitive to foreign exchange changes. These suggest heterogeneous effects of foreign exchange rates on industries and firms.

  3. Endogenous Markups, Firm Productivity and International Trade:

    DEFF Research Database (Denmark)

    Bellone, Flora; Musso, Patrick; Nesta, Lionel

    ) markups are positively related to firm productivity; 3) markups are negatively related to import penetration; 4) markups are positively related to firm export intensity and markups are higher on the export market than on the domestic ones in the presence of trade barriers and/or if competitors...... on the export market are less efficient than competitors on the domestic market. We estimate micro-level price cost margins (PCMs) using firm-level data extending the techniques developed by Hall (1986, 1988) and extended by Domowitz et al. (1988) and Roeger (1995) for the French manufacturing industry from......In this paper, we test key micro-level theoretical predictions ofMelitz and Ottaviano (MO) (2008), a model of international trade with heterogenous firms and endogenous mark-ups. At the firm-level, the MO model predicts that: 1) firm markups are negatively related to domestic market size; 2...

  4. Decomposing Firm-level Sales Variation

    DEFF Research Database (Denmark)

    Munch, Jakob Roland; Nguyen, Daniel Xuyen

    , and that for the median product it drives 31% of the sales variation. When we remove first-time exports from our sample, the median value increases to 40%, implying that firm-destination-specific effects are most important the first year. We conclude that while firm-specific productivity can account for some......We measure the contribution of firm-specific effects to overall sales variation within a destination and find it remarkably low. Our empirical decomposition is structurally motivated by a heterogeneity model of exporting involving destination-specific, firm-specific, and firm......-destination-specific latent effects with incidental truncation. We use a highly detailed dataset with exports by products and destinations for all Danish manufacturing fi…rms. We fi…nd the contribution of firm-specific heterogeneity to within-destination sales variation varies greatly across HS6 products...

  5. Agility in a small software firm

    DEFF Research Database (Denmark)

    Schmidt, Thomas; Mathiassen, Lars

    2009-01-01

    Small software firms are vulnerable to environmental uncertainty. While agile methods and other technologies offer suggestions to this challenge, we know little about how these firms combine project and firm level capabilities to effectively respond to changes. On this backdrop, we examine a small...... Danish software firm, TeachTech Inc., through the lens of Haeckel's sense-and-respond approach. Our analysis suggests that: the firm has appropriate sense-and-respond cycles, but improving process modularity and human resource flexibility, could increase its ability to respond faster and more effectively......; the firm focuses on specific business goals, but these are not clearly explicated and expressed as empowering governing values enabling a quick and coordinated response; complex and demanding challenges are related to dynamically reassigning commitments and the supporting mechanisms are insufficient...

  6. Working Capital Management and Firm Listing Status

    OpenAIRE

    Seraina Anagnostopoulou

    2012-01-01

    This study comparatively examines the determinants of working capital management for listed vs. unlisted firms, and assesses the impact of this policy on profitability by focusing on the cash conversion cycle, a commonly used measure of working capital management. By using a large UK public and private firm sample, it is found that private firms have significantly lower cash conversion cycles than their public counterparts, and that traditional determinants of the cycle significantly differ b...

  7. The Firm as a Competent Team

    OpenAIRE

    Eliasson, Gunnar

    1988-01-01

    Results from empirical studies of firm behavior are synthesized into, a theory of the firm as a competent team. I demonstrate the existence of a tacit organizational competence exercising a leverage on the productivities of all other factors through selecting and allocating competent people, thus earning a monopoly rent in the capital market. The competence identified can only be fairly compensated through sharing in firm value growth in the equity market, exhibiting undervaluation of prime a...

  8. Do Firms Go Public to Raise Capital?

    OpenAIRE

    Woojin Kim; Michael Weisbach

    2005-01-01

    This paper considers the question of whether raising capital is an important reason why firms go public. Using a sample of 16,958 initial public offerings from 38 countries between 1990 and 2003, we consider differences between firms that sell new, primary shares to the public, and existing secondary shares that previously belonged to insiders. Our results suggest that the sale of primary shares is correlated with a number of factors associated with the firm's demand for capital. In particula...

  9. Peculiarities Of Financial Management In Family Firms

    OpenAIRE

    Martin R. W. Hiebl

    2012-01-01

    The majority of firms in market-oriented countries are family-owned. Despite their significant economic importance for these countries, research focusing on family firms is a rather young field within business research, having intensified starting only in the late 1980s. Research regarding the peculiarities of financial management in family firms is especially scarce. Hence, this paper seeks to synthesize existing research and to theoretically analyze the finance and accounting practices and ...

  10. Agglomeration Premium and Trading Activity of Firms

    OpenAIRE

    Gabor Bekes; Peter Harasztosi

    2010-01-01

    Firms may benefit from proximity to each other due to the existence of several externalities. The productivity premia of firms located in agglomerated regions an be attributed to savings and gains from external economies. However, the capacity to absorb information may depend on activities of the firm, such as involvement in international trade. Importers, exporters and two-way traders are likely to employ a different bundle of resources and be organised differently so that they would appreci...

  11. Technological Innovation Capabilities and Firm Performance

    OpenAIRE

    Richard C.M. Yam; William Lo; Esther P.Y. Tang; Antonio; K.W. Lau

    2010-01-01

    Technological innovation capability (TIC) is defined as a comprehensive set of characteristics of a firm that facilities and supports its technological innovation strategies. An audit to evaluate the TICs of a firm may trigger improvement in its future practices. Such an audit can be used by the firm for self assessment or third-party independent assessment to identify problems of its capability status. This paper attempts to develop such an auditing framework that can...

  12. Leverage, monetary policy, and firm investment

    OpenAIRE

    Charles X. Hu

    1999-01-01

    In this paper, I investigate whether the effects of monetary policy on firm investment can be transmitted through leverage. I find that monetary contractions reduce the growth of investment more for highly leveraged firms than for less leveraged firms. The results suggest that the board credit channel for monetary policy exists, and that it can operate through leverage, as adverse monetary shocks aggravate real debt burdens and raise the effective costs of investment.

  13. How does firm performance influence market orientation?

    DEFF Research Database (Denmark)

    Sørensen, Hans Eibe; Stieglitz, Nils

    This paper contributes by investigating how firm performance influences its market orientation. We draw on the aspiration-level model from the behavioral theory of the firm to develop testable propositions that substantiate and extend prior market orientation research. Specifically, we address how...... performance influences firms' market-oriented search behavior (responsive or proactive) and the allocation of attention (customer and competitor orientation) as well as the formation of aspiration levels. Research and managerial implications are discussed....

  14. Firm Size Distribution in Fortune Global 500

    Science.gov (United States)

    Chen, Qinghua; Chen, Liujun; Liu, Kai

    By analyzing the data of Fortune Global 500 firms from 1996 to 2008, we found that their ranks and revenues always obey the same distribution, which implies that worldwide firm structure has been stable for a long time. The fitting results show that simple Zipf distribution is not an ideal model for global firms, while SCL, FSS have better fitting goodness, and lognormal fitting is the best. And then, we proposed a simple explanation.

  15. Does Labour Diversity affect Firm Productivity?

    DEFF Research Database (Denmark)

    Parrotta, Pierpaolo; Pozzoli, Dario; Pytlikova, Mariola

    Using a matched employer-employee dataset, we analyze how workforce diversity in cultural background, education and demographic characteristics affects productivity of firms in Denmark. Implementing a structural estimation of the firms' production function (Ackerberg et al., 2006) we find...... diverse workforce, seem to outweigh the positive effects coming from creativity and knowledge spillovers....... that labor diversity in education significantly enhances a firm's value added. Conversely, diversity in ethnicity and demographics induces negative effects on firm productivity. Hence, the negative effects, coming from communication and integration costs connected to a more culturally and demographically...

  16. Shared vision promotes family firm performance.

    Science.gov (United States)

    Neff, John E

    2015-01-01

    A clear picture of the influential drivers of private family firm performance has proven to be an elusive target. The unique characteristics of private family owned firms necessitate a broader, non-financial approach to reveal firm performance drivers. This research study sought to specify and evaluate the themes that distinguish successful family firms from less successful family firms. In addition, this study explored the possibility that these themes collectively form an effective organizational culture that improves longer-term firm performance. At an organizational level of analysis, research findings identified four significant variables: Shared Vision (PNS), Role Clarity (RCL), Confidence in Management (CON), and Professional Networking (OLN) that positively impacted family firm financial performance. Shared Vision exhibited the strongest positive influence among the significant factors. In addition, Family Functionality (APGAR), the functional integrity of the family itself, exhibited a significant supporting role. Taken together, the variables collectively represent an effective family business culture (EFBC) that positively impacted the long-term financial sustainability of family owned firms. The index of effective family business culture also exhibited potential as a predictive non-financial model of family firm performance.

  17. Shared Vision promotes family firm performance

    Directory of Open Access Journals (Sweden)

    John Edward Neff

    2015-05-01

    Full Text Available A clear picture of the influential drivers of private family firm performance has proven to be an elusive target. The unique characteristics of private family owned firms necessitate a broader, non-financial approach to reveal firm performance drivers. This research study sought to specify and evaluate the themes that distinguish successful family firms from less successful family firms. In addition, this study explored the possibility that these themes collectively form an effective organizational culture that improves longer-term firm performance. At an organizational level of analysis, research findings identified four significant variables: Shared Vision (PNS, Role Clarity (RCL, Confidence in Management (CON, and Professional Networking (OLN that positively impacted family firm financial performance. Shared Vision exhibited the strongest positive influence among the significant factors. In addition, Family Functionality (APGAR, the functional integrity of the family itself exhibited a significant supporting role. Taken together, the variables collectively represent an effective family business culture (EFBC that positively impacted the long-term financial sustainability of family owned firms. The index of effective family business culture also exhibited potential as a predictive non-financial model of family firm performance.

  18. International working capital practices of Ghanaian firms

    Directory of Open Access Journals (Sweden)

    J. Abor

    2005-12-01

    Full Text Available International working capital management is important to firms frequently operating in the international market. This article investigates the international working capital practices of top Ghanaian firms involved in international trade. The objective of the study is to ascertain the extent to which Ghanaian firms use international working capital management vehicles. The article focuses on two main areas of international working capital management; international cash management and international sales and accounts receivables management. The results of this study reveal low level of use of international working capital vehicles among Ghanaian firms. Recommendations are made in this regard.

  19. Commercialization of Innovations and Firm Performance

    DEFF Research Database (Denmark)

    Madsen, Erik Strøjer; Smith, Valdemar

    The decision on investment in R&D is very important and highly risky for firms' performance and survival in their business. This paper focuses on the commercialization of firms' investment in innovation and how these decisions affect their performance. The study uses a large innovation survey...... of Danish firms holding information on their R&D investment as well as their expenses on marketing which gives knowledge of the commercialization of their innovations. The results suggest a highly significant commercialization of innovation, which means that firms' follows a strategy of investment both...

  20. Industrial environmental practices in Polish Firms

    DEFF Research Database (Denmark)

    Kræmer, Trine Pipi

    , and environment. The five case firms all had a Communist past. The firms represent three different industrial sectors; i.e. textile, energy, and publishing and printing industries. Furthermore, the firms are both private and state owned as well as in the process of privatisation.......The study investigates how discursive developments in Poland interact with industrial environmental practices in five production firms. The analysis of the discursive development covers the period from the end of World War I to the turn of the century. The areas in focus are identity, industry...

  1. Estimating risk propagation between interacting firms on inter-firm complex network.

    Science.gov (United States)

    Goto, Hayato; Takayasu, Hideki; Takayasu, Misako

    2017-01-01

    We derive a stochastic function of risk propagation empirically from comprehensive data of chain-reaction bankruptcy events in Japan from 2006 to 2015 over 5,000 pairs of firms. The probability is formulated by firm interaction between the pair of firms; it is proportional to the product of α-th power of the size of the first bankrupt firm and β-th power of that of the chain-reaction bankrupt firm. We confirm that α is positive and β is negative throughout the observing period, meaning that the probability of cascading failure is higher between a larger first bankrupt firm and smaller trading firm. We additionally introduce a numerical model simulating the whole ecosystem of firms and show that the interaction kernel is a key factor to express complexities of spreading bankruptcy risks on real ecosystems.

  2. ARE SMALL-FIRM CLUSTERS EMERGENT PHENOMENA? EVIDENCE FROM ZIMBABWE’S SMALL FURNITURE- MANUFACTURING FIRMS

    Directory of Open Access Journals (Sweden)

    Godfrey MUPONDA

    2014-07-01

    Full Text Available The purpose of this study was to explore the reasons behind the rapid growth and apparent dynamism of Zimbabwe’s small-firm industrial clusters. The hypothesis behind the study was that these small-firm clusters are emergent phenomena. The study analysed the capital utilisation techniques of small firms located in a large industrial cluster in order to determine the factors that lead to the collective efficiency of such firms. The study found that, in comparison with large, stock exchange-listed firms, the cluster environment enables the small firm to operate from a relatively small capital base and also to use its capital more efficiently in creating revenues and profits. The individual firm does not have to invest its capital in a large assets base as this is done by a specialised group of firms within the cluster. Thus, the cluster has the characteristics of an emergent phenomenon.

  3. Estimating risk propagation between interacting firms on inter-firm complex network.

    Directory of Open Access Journals (Sweden)

    Hayato Goto

    Full Text Available We derive a stochastic function of risk propagation empirically from comprehensive data of chain-reaction bankruptcy events in Japan from 2006 to 2015 over 5,000 pairs of firms. The probability is formulated by firm interaction between the pair of firms; it is proportional to the product of α-th power of the size of the first bankrupt firm and β-th power of that of the chain-reaction bankrupt firm. We confirm that α is positive and β is negative throughout the observing period, meaning that the probability of cascading failure is higher between a larger first bankrupt firm and smaller trading firm. We additionally introduce a numerical model simulating the whole ecosystem of firms and show that the interaction kernel is a key factor to express complexities of spreading bankruptcy risks on real ecosystems.

  4. Seasonal Surface Spectral Emissivity Derived from Terra MODIS Data

    Science.gov (United States)

    Sun-Mack, Sunny; Chen, Yan; Minnis, Patrick; Young, DavidF.; Smith, William J., Jr.

    2004-01-01

    The CERES (Clouds and the Earth's Radiant Energy System) Project is measuring broadband shortwave and longwave radiances and deriving cloud properties form various images to produce a combined global radiation and cloud property data set. In this paper, simultaneous data from Terra MODIS (Moderate Resolution Imaging Spectroradiometer) taken at 3.7, 8.5, 11.0, and 12.0 m are used to derive the skin temperature and the surface emissivities at the same wavelengths. The methodology uses separate measurements of clear sky temperature in each channel determined by scene classification during the daytime and at night. The relationships between the various channels at night are used during the day when solar reflectance affects the 3.7- m radiances. A set of simultaneous equations is then solved to derive the emissivities. Global monthly emissivity maps are derived from Terra MODIS data while numerical weather analyses provide soundings for correcting the observed radiances for atmospheric absorption. These maps are used by CERES and other cloud retrieval algorithms.

  5. Status report : Terra Nova project environmental assessment panel : recommendations

    International Nuclear Information System (INIS)

    2002-01-01

    An application to the Canada-Newfoundland Offshore Petroleum Board (CNOPB) was submitted by Petro-Canada on August 5, 1996, notifying of its intent to develop the petroleum resources located at the Terra Nova field. The provincial and federal governments jointly appointed the Terra Nova Project Environmental Panel, and the board of the CNOPB referred to it the application documents for review. The environmental effects, considerations of human safety incorporated into the design and operation of the Project, the general approach to the development and exploitation of the petroleum resources, and the employment and industrial benefits expected to be derived from the Project were the issues under review by the Panel. On April 22, 1997, public hearings into the review began, and the final report was submitted to governments and the Board in August 1997. The report included 75 recommendations. The Project was approved in Decision 97.02 in December 1997, and the Board dealt with each of the recommendations. The respective positions of the Governments of Canada and Newfoundland and Labrador with regard to the recommendations that fell outside the jurisdiction of the Board were made public. A status report on every one of the 75 recommendations is provided in the present report. The recommendation is repeated, the verbatim response taken from Decision 97.02 included, followed by the status of the response. The production operations phase of the Project accounts for approximately 65 per cent of the recommendations. January 20, 2002 was the date the Project was begun

  6. Telomeric repeat-containing RNA (TERRA) related to polycystic ovary syndrome (PCOS).

    Science.gov (United States)

    Wang, Caiqin; Shen, Fengxian; Zhu, Yuning; Fang, Yuying; Lu, Shiming

    2017-04-01

    Telomeric repeat-containing RNA (TERRA) participates in the regulation of telomere length, and leucocyte telomere length (LTL) plays an important role in the pathophysiology of polycystic ovary syndrome (PCOS), but little is known about the role of TERRA in PCOS. To evaluate the role of TERRA and peripheral blood LTL in PCOS. Forty women with PCOS and 35 healthy women without PCOS were recruited. A prospective case-control study was performed. RNA fluorescence in situ hybridization (FISH) was used to detect TERRA expression in peripheral blood leucocyte. Quantitative PCR was used to measure TERRA expression and the mean LTL in the PCOS and control groups. We analysed the association between related clinical parameters and the age-adjusted ratio of the telomere repeat length (T/S ratio) or TERRA. Telomeric repeat-containing RNA was expressed in human peripheral blood leucocytes, and the signal was abolished after culture with RNase A. The age-adjusted LTLs were significantly longer in the PCOS group than in the control group (P PCOS group than in the control group (P PCOS group (r = 0·532, P = 0·002; r = -0·477, P = 0·017). We found TERRA expression in human peripheral blood leucocytes, and LTLs were positively associated with PCOS. TERRA and testosterone play an important role in the LTL regulation in PCOS. © 2016 John Wiley & Sons Ltd.

  7. Terra firma-forme dermatosis: a retrospective review of 31 patients.

    Science.gov (United States)

    Berk, David R

    2012-01-01

    Terra firma-forme dermatosis is an idiopathic condition characterized by acquired, dirtlike plaques despite normal hygiene. A diagnosis can be reached by removing lesions with gentle alcohol swabbing. Although Terra firma-forme dermatosis was first described more than 20 years ago and is thought to be not uncommon in clinical practice, it has never been systematically studied. There are few publications about this condition, including no case series of more than six patients. In particular, little is known about the incidence, peak age groups, and most common locations of Terra firma-forme dermatosis. A retrospective review was conducted to identify cases of Terra firma-forme dermatosis in a single-provider practice consisting of 55% pediatric and 45% adult patients. Thirty-one patients with Terra firma-forme dermatosis were identified, including 10 who presented with Terra firma-forme dermatosis as their primary concern. Only two patients were older than 17 years. The median duration of lesions was 4 months. The most common lesion locations were the neck, ankles, and face. Before presenting to the dermatology clinic, three patients had undergone endocrine evaluations, and four had been prescribed topical corticosteroids. Terra firma-forme dermatosis is relatively common and most often occurs in children on the neck or posterior malleolus. This series exemplifies the importance of recognizing Terra firma-forme dermatosis so as to provide rapid relief for patients and avoid unnecessary tests and treatments. © 2011 Wiley Periodicals, Inc.

  8. MODIS/Terra Aerosol Cloud Water Vapor Ozone Monthly L3 Global 1Deg CMG V006

    Data.gov (United States)

    National Aeronautics and Space Administration — MODIS/Terra Aerosol Cloud Water Vapor Ozone Monthly L3 Global 1Deg CMG (MOD08_M3). MODIS was launched aboard the Terra satellite on December 18, 1999 (10:30 am...

  9. A firm-specific exposure analyis of the exchange-rate exposure of Dutch firms

    NARCIS (Netherlands)

    de Jong, A.; Ligterink, J.; Macrae, V.

    2006-01-01

    We examine the relationship between exchange-rate changes and stock returns for a sample of Dutch firms over 1994-1998. We find that over 50 per cent of the firms are significantly exposed to exchange-rate risk. Furthermore, all firms with significant exchange-rate exposure benefit from a

  10. Do Private Firms Outperform SOE Firms after Going Public in China Given their Different Governance Characteristics?

    Directory of Open Access Journals (Sweden)

    Shenghui Tong

    2013-06-01

    Full Text Available This study examines the characteristics of board structure that affect Chinese public firm’s financial performance. Using a sample of 871 firms with 699 observations of previously private firms and 1,914 observations of previously state-owned enterprise (SOE firms, we investigate the differences in corporate governance between publicly listed firms that used to be pure private firms before going public and listed firms that used to be SOEs before their initial public offerings (IPOs. Our main finding is that previously private firms outperform previously SOE firms in China after IPOs. In the wake of becoming listed firms, previously SOE firms might be faced with difficulties adjusting to professional business practices to build and extend competitive advantages. In addition, favorable policies and assistance from the government to the SOE firms might have triggered complacency, especially in early years after getting listed. On the other hand, professional savvy and acumen, combined with efficiency and favorable business climate created by the government have probably led the previously private firms to improve their values stronger and faster.

  11. A Firm-Specific Analysis of the Exchange-Rate Exposure of Dutch Firms

    NARCIS (Netherlands)

    A. de Jong (Abe); J. Ligterink; V. Macrae

    2002-01-01

    textabstractWe examine the relationship between exchange-rate changes and stock returns for a sample of Dutch firms over 1994-1998. We find that over 50% of the firms are significantly exposed to exchange-rate risk. Furthermore, all firms with significant exchange-rate exposure benefit from a

  12. O MOVIMENTO DOS TRABALHADORES RURAIS SEM- TERRA E O DIREITO FUNDAMENTAL AO TRABALHO DIGNO: UMA PESQUISA ETNOGRÁFICA

    Directory of Open Access Journals (Sweden)

    Matheus Felipe de Castro

    2015-07-01

    Full Text Available O presente artigo tem por tema o direito fundamental ao trabalho digno, com ênfase na sua dimensão de elemento constituinte da psique dos sujeitos inseridos numa sociedade de mercado e consumo, marcada por profundas disparidades sociais internas derivadas, em grande medida, de sua localização periférica e subdesenvolvida na economia-mundo. O referencial teórico da análise parte de uma leitura entre psicanálise marxismo, acerca da centralidade do trabalho na constituição psíquica do sujeito. Estas duas vertentes de pensamento são utilizadas a partir da observação desta temática na vida de trabalhadores rurais pertencentes a uma comunidade de agricultores sem-terra, na sua trajetória em bus- ca de trabalho. É da leitura cruzada entre esses dois autores, que ao fim lançam-se algumas reflexões sobre a trajetória vivida por Pedro e Clara, trabalhadores rurais, dedicados à agricultura fami- liar, que depois de um longo percurso em busca de trabalho, são hoje integrantes de um assentamento do msT, buscando refletir sobre o papel que essa trajetória pode exercer na efetivação do direito fundamental ao trabalho digno e na ampliação dos direitos subjetivos dos agentes envolvidos. O método de pesquisa foi o etnográfico, eis que os pesquisadores vivenciaram diretamente a realidade onde se inserem as personagens aqui descritas e o pro- cedimento de exposição a livre narrativa.

  13. International taxation and multinational firm decisions

    NARCIS (Netherlands)

    Barrios, S.; Huizinga, H.P.; Laeven, L.; Nicodeme, G.

    2012-01-01

    Using a large international firm-level data set, we examine the separate effects of host and additional parent country taxation on the location decisions of multinational firms. Both types of taxation are estimated to have a negative impact on the location of new foreign subsidiaries. The impact of

  14. Efficiency of European Dairy Processing Firms

    NARCIS (Netherlands)

    Soboh, R.A.M.E.; Oude Lansink, A.G.J.M.; Dijk, van G.

    2014-01-01

    This paper compares the technical efficiency and production frontier of dairy processing cooperativesand investor owned firms in six major dairy producing European countries. Two parametric produc-tion frontiers are estimated, i.e. for cooperatives and investor owned firms separately, which are

  15. Identifying High Growth Firms in India

    DEFF Research Database (Denmark)

    Aggarwal, Aradhna; Sato, Takahiro

    Over the past two decades, considerable interest has grown in high growth firms (HGFs). However, the concept of HGFs still remains controversial. One of the most controversial issues is size and age of these firms. The present study argues that the current literature on HGFs may offer little help...

  16. Related party transactions and firms financial performance ...

    African Journals Online (AJOL)

    Related party transactions and firms financial performance. ... African Research Review ... financial performance using Secondary data obtained from Nigeria stock ... on Asset, Return on Equity and Earnings per share of manufacturing firms. ... Result showed RPT has no significant effects on ROA and EPS and not used to ...

  17. A new approach to firm evaluation

    NARCIS (Netherlands)

    E.M. Vermeulen (Erik); J. Spronk (Jaap); D. van der Wijst (Nico)

    1993-01-01

    textabstractIn this paper, a method is developed to evaluate firms on the basis of the risks they face. In accordance with the multi-factor method, risk is represented as a vector of sensitivities to unexpected changes of risk factors. Subsequently, the sensitivities themselves are related to firm

  18. Technology diversification, coherence, and performance of firms

    NARCIS (Netherlands)

    Leten, B.; Belderbos, R.A.; Looy, van B.

    2007-01-01

    Technological diversification at the firm level (i.e., the expansion of a firm's technology base into a wide range of technology fields) is found to be a prevailing phenomenon in all three major industrialized regions,—the United States, Europe, and Japan—prompting the term multitechnology

  19. Overeducation, wages and promotions within the firm

    NARCIS (Netherlands)

    Hartog, J.

    2004-01-01

    We analyse data from personnel records of a large firm producing energy and telecommunication and test for the effect of deviations between required and attained education of workers. Required education is measured as hiring standards set by the firm. We find the usual effects of over- and

  20. Coevolution of Firm Capabilities and Industry Competition

    NARCIS (Netherlands)

    M.W. Huygens (Marc); C.W.F. Baden-Fuller (Charles); F.A.J. van den Bosch (Frans); H.W. Volberda (Henk)

    2001-01-01

    textabstractThis paper proposes that rival firms not only search for new capabilities within their organization, but also for those that rest in their competitive environment. An integrated analysis of these search processes at both firm and industry levels of analysis shows how their interaction

  1. Agency Costs, Firm Value, and Corporate Investment

    NARCIS (Netherlands)

    M. Teixeira de Vasconcelos (Manuel)

    2012-01-01

    textabstractOften firms lack the necessary internal resources to pursue all profitable investment opportunities at their disposal. One of the most important roles of financial markets is to allocate resources from different economic agents to the firms that will better employ them, thereby enabling

  2. Knowledge Sharing in Knowledge-Intensive Firms

    DEFF Research Database (Denmark)

    Gupta, Akshey; Michailova, Snejina

    2004-01-01

    This paper is a study of the knowledge-sharing difficulties experienced by three departments in a knowledge-intensive firm. The case organization is a global consulting firm that has been on the forefront of knowledge management and has won several knowledge management related international accla...

  3. Characterizing the technology firm : An exploratory study

    NARCIS (Netherlands)

    Grinstein, A.; Goldman, Arieh

    Technology firms occupy a central position in modern economies. They drive economic growth, productivity gains and have created new industries and innovative products. Many will agree that technology firms are distinguished from others in their emphasis on technological activities. Since this

  4. When do German Firms Change their Dividends?

    NARCIS (Netherlands)

    Correia Da Silva, L.; Goergen, M.; Renneboog, L.D.R.

    2002-01-01

    Anecdotal evidence suggests that the dividend policy of German firms is more flexible than the one of their Anglo-American counterparts.This paper analyses the decision to change the dividend for a panel of 221 German firms from 1984 to 1994.The choice of the period of study is motivated by the fact

  5. Psychic Distance, Innovation, and Firm Performance

    NARCIS (Netherlands)

    Azar, Goudarz; Drogendijk, Rian

    2014-01-01

    Previous research suggests that internationalization improves a firm's ability to innovate, but the effect of internationalizing into specific target markets or destinations on the innovation ability of firms has not been fully investigated. This study examined whether the psychic distance between

  6. 32 CFR 37.1250 - Commercial firm.

    Science.gov (United States)

    2010-07-01

    ... 32 National Defense 1 2010-07-01 2010-07-01 false Commercial firm. 37.1250 Section 37.1250... REGULATIONS TECHNOLOGY INVESTMENT AGREEMENTS Definitions of Terms Used in This Part § 37.1250 Commercial firm... does a substantial portion of its business in the commercial marketplace. ...

  7. Electronic Commerce, Digital Information, and the Firm.

    Science.gov (United States)

    Rosenbaum, Howard

    2000-01-01

    Discussion of the social context of electronic commerce (ecommerce) focuses on information imperatives, or rules that are critical for ecommerce firms. Concludes with a discussion of the organizational changes that can be expected to accompany the incorporation of these imperatives into the mission and core business processes of ecommerce firms.…

  8. Firm-level volatility and exports

    NARCIS (Netherlands)

    Vannoorenberghe, G.C.L.

    2012-01-01

    This paper shows that the share of exports in the total sales of a firm has a positive and substantial impact on the volatility of its sales. Decomposing the volatility of sales of exporters between their domestic and export markets, I show using an identification strategy based on a firm-specific

  9. Female Directors, Board Committees and Firm Performance

    NARCIS (Netherlands)

    Green, Colin P.; Homroy, Swarnodeep

    A number of studies have found little economic impact of board gender diversity on firm performance. We return to this issue in the context of large European firms. Our contribution is twofold. First, using information on the gender of CEOs children as a source of exogenous variation in female

  10. 48 CFR 519.7006 - Mentor firms.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 4 2010-10-01 2010-10-01 false Mentor firms. 519.7006... PROGRAMS SMALL BUSINESS PROGRAMS GSA Mentor-Protégé Program 519.7006 Mentor firms. (a) Mentors must be... plan as required by FAR 19.7 - Small business mentors are exempted; or (2) A small business prime...

  11. Market Imperfections and Firm-Sponsored Training

    NARCIS (Netherlands)

    Picchio, M.; van Ours, J.C.

    2010-01-01

    Recent human capital theories predict that labor market frictions and product market competition influence firm-sponsored training. Using matched worker-firm data from Dutch manufacturing, our paper empirically assesses the validity of these predictions. We find that a decrease in labor market

  12. New workplace practices and firm performance:

    DEFF Research Database (Denmark)

    Cristini, Annalisa; Pozzoli, Dario

    Using data from the 2004 Workplace Employee Relations Survey on British establishments and two surveys on manufacturing firms located in the North of Italy, we look at the diffusion of new workplace practices in the two countries and at their impact on the firm's value added. We find...

  13. Firm clustering and innovation: Determinants and effects

    NARCIS (Netherlands)

    Boekema, F.W.M.; Oerlemans, L.; Meeus, M.

    2001-01-01

    In this article we ask why innovator firms engage in innovation networks, and which factors explain the spatial dispersion of these networks. Benefits of the use of internal and external knowledge resources for innovative performance of firms were partially confirmed. Especially the utilisation of

  14. Firm clustering and innovation : determinants and effects

    NARCIS (Netherlands)

    Oerlemans, L.A.G.; Meeus, M.T.H.; Boekema, F.W.M.

    2001-01-01

    In this article we ask why innovator firms engage in innovation networks, and which factors explain the spatial dispersion of these networks. Benefits of the use of internal and external knowledge resources for innovative performance of firms were partially confirmed. Especially the utilisation of

  15. Trade credit: Elusive insurance of firm growth

    NARCIS (Netherlands)

    Bams, Dennis; Bos, Jaap; Pisa, Magdalena

    2016-01-01

    Firms depend heavily on trade credit. This paper introduces a trade credit network into a structural model of the economy. In an empirical analysis of the model, we find that trade credit is an elusive insurance: as long as a firm is financially unconstrained and times are good, more trade credit

  16. Career Development Programs in Fortune 500 Firms.

    Science.gov (United States)

    Keller, Jack; Piotrowski, Chris

    Career development programs (CDPs) are a rather recent area of study in organizational and industrial psychology. The present study investigated the nature and evaluation of CDPs in Fortune 500 firms. Data were obtained by a mailed questionnaire completed by the firms' human resources directors. Of the 500 companies surveyed, only those 50 that…

  17. Strategic Resources and Family Firm Performance

    NARCIS (Netherlands)

    Matser, I.A.

    2013-01-01

    Most companies in the Netherlands can be labeled as family firms (according to the GEEF definition (Mandle, 2008; Flören et al., 2010). The family firm can be regarded as an open system model comprising three overlapping, interacting, and interdependent subsystems: owners, family, and managers

  18. A Igreja Católica e os Movimentos Sociais do Campo: a Teologia da Libertação e o Movimento dos Trabalhadores Rurais sem Terra

    Directory of Open Access Journals (Sweden)

    Antonio Julio Menezes Neto

    Full Text Available O Movimento dos Trabalhadores Rurais Sem Terra (MST do Brasil tem origem vinculada às ações das Igrejas, principalmente da Igreja Católica, em sua vertente denominada Teologia da Libertação. Esse movimento teológico sempre esteve muito próximo das análises sociais socialistas, utilizando, muitas vezes, um referencial marxista. As relações da Igreja Católica com os movimentos sociais do campo foram muito presentes no Brasil, e este trabalho apresenta as relações sociais, políticas e teológicas presentes no MST, já que, desde as primeiras ocupações de terra realizadas por componentes do Movimento, a presença da Igreja Católica é constante. Assim, com foco na relação entre Igreja e MST, este artigo analisa como as mudanças políticas, com a crise do socialismo e o avanço do conservadorismo, impactam as ações do Movimento dos Sem Terra.

  19. Effect of firm variables on patent price

    Directory of Open Access Journals (Sweden)

    Shyam Sreekumaran Nair

    2012-03-01

    Full Text Available In this study, using singleton patent auction price data from Ocean Tomo, LLC, we analyse the effect of firm variables on patent price. Patents owned by small firms attract higher price than patents owned by large firms, if they engage in multi-country filings. The patents owned by small firms get cited more than the patents owned by large firms. The patents owned by individual inventors attract a higher price than the patents owned by organisations when multi-country filings are not included. We believe that the lack of resources is preventing individual inventors from engaging in multi-country filings and maximising the revenue from their invention. A larger representative data should be used to replicate the results before generalising it.

  20. Choice of Ownership Structure and Firm Performance

    DEFF Research Database (Denmark)

    Jones, Derek C; Kalmi, Panu; Mygind, Niels

    2003-01-01

    In this paper we use rich panel data for a representative sample of Estonian enterprises to analysediverse issues related to the determinants of ownership structures and ownership changes afterprivatisation. A key focus is to determine whether ownership changes are related to economicefficiency....... While employee owned firms are found to be much more prone than other firms toswitch ownership categories, often `employee owned' firms remain `insider-owned' as ownershippasses from current employees to managers and former employees. Logit analyses of thedeterminants of ownership structures...... and ownership changes provides mixed support for severalhypotheses. As predicted: (i) wealth and resource constraints play a crucial role in thedetermination of ownership, with foreigners buying firms with the highest equity levels andinsiders buying firms with the lowest equity valuations; (ii) risk aversion...

  1. Efficient Climate Policy with Internationally Mobile Firms

    International Nuclear Information System (INIS)

    Maestad, O.

    2001-01-01

    A major concern in the design of an incomplete climate agreement is that firms that use fossil fuels intensively may respond to emission regulations by relocating their plants from cooperating to non-cooperating countries. This paper analyses how the cooperating countries might deal with the issue of firm delocation through emission taxes, trade provisions and a localisation subsidy to mobile firms. It is shown that firms should not be induced to stay in the cooperating countries by lowering emission taxes below the Pigouvian tax rate. Incentives to stay should be given partly through trade provisions and partly through a localisation subsidy. A second best solution without localisation subsidies is also discussed. In that case, the efficient emission tax is lower than the Pigouvian tax rate. Finally, the paper discusses the implications of the first best and the second best policy regimes for the pattern of firm localisation. 19 refs

  2. Commercialization of Innovations and Firm Performance

    DEFF Research Database (Denmark)

    Madsen, Erik Strøjer; Smith, Valdemar

    The decision on investment in R&D is very important and highly risky for firms' performance and survival in their business. This paper focuses on the commercialization of firms' investment in innovation and how these decisions affect their performance. The study uses a large innovation survey...... of Danish firms holding information on their R&D investment as well as their expenses on marketing which gives knowledge of the commercialization of their innovations. The results suggest a highly significant commercialization of innovation, which means that firms' follows a strategy of investment both...... in innovation and marketing making R&D and marketing complements in their investment decision. However, there is only week evidence for the hypothesis that commercialization of innovations also creates more value for the firms in the short run....

  3. The innovative behaviour of tourism firms

    DEFF Research Database (Denmark)

    Sundbo, Jon; Orfila-Sintes, Francina; Sørensen, Flemming

    2007-01-01

    Tourism firms operate in a competitive sector where innovating is often a condition for survival. This article presents a theoretical framework for understanding tourist firms’ innovative behaviour and innovation systems in tourism. The innovativeness of tourism firms and its determinants...... systems. The article suggests that large size, professionalism, but also entrepreneurship among small tourism firms are important determinants of innovation. Varied innovation networks are another determinant as are supportive innovation systems. These determinants favour Spanish firms, which are more...... are investigated by analysing quantitative as well as qualitative data comparing Spain and Denmark. A taxonomy of tourism firms is suggested and the firms’ characteristics which influence their innovativeness are presented. Additionally, the role of innovation networks is discussed, as is the role of innovation...

  4. Literatura e Transdisciplinaridade: uma proposta de ensino a partir do romance Terra Papagalli

    Directory of Open Access Journals (Sweden)

    Rodolfo Meissner Rolando

    2015-01-01

    Full Text Available É inegável que a Educação, de um modo geral, enfrenta uma crise na contemporaneidade. E, naturalmente, as aulas de Língua Portuguesa e Literatura são afetadas por esse cenário. Devido a isso, muitos caminhos têm sido discutidos para a superação dos problemas vigentes e, sem dúvida, a transdisciplinaridade emerge como uma possibilidade instigante. Nesse sentido, o objetivo deste artigo é oferecer uma unidade didática transdisciplinar de ensino de Literatura para alunos do Ensino Médio. Para tanto, foi escolhido o romance contemporâneo Terra Papagalli, dos autores José Roberto Torero e Marcus Aurelius Pimenta, como corpus para a concretização de tal proposta. As sugestões aqui contidas foram embasadas, principalmente, nas proposições de Coelho (2000 a respeito de Literatura e Transdisciplinaridade e Paulino e Cosson (2009 sobre letramento literário. Em síntese, acredita-se que a proposta de ensino trazida por este artigo poderá auxiliar o professor de Língua Portuguesa a enfrentar os desafios impostos pela Educação no século XXI, além de contribuir para a realização do letramento literário.

  5. ANÁLISE DO USO E OCUPAÇÃO DAS TERRAS DA BACIA HIDROGRÁFICA DO RIBEIRÃO BORÁ (MG

    Directory of Open Access Journals (Sweden)

    Beatriz Aparecida Bessa Florêncio

    2011-01-01

    Full Text Available O objetivo do artigo é propor o uso racional das terras da BHRB, a partir de sua dinâmica hidrológica, e cruzamento das informações sobre uso da terra e cobertura vegetal com a declividade. A BHRB localiza-se em Minas Gerais, na mesorregião do Triângulo Mineiro e Alto Paranaíba, zona UTM 23, Meridiano Central 45º Oeste de Greenwich, entre as coordenadas 228000 - 264000mE e 7816000 - 7788000mN. Foram utilizados imagem do satélite ETM+/Landsat 5, (agosto de 2009, bandas 3G 4R 7B; base cartográfica digitalizada a partir das cartas topográficas de Sacramento e Uberaba (1:100.000; dados MDE/SRTM; cálculos morfométricos; e dados de vazão obtidos pela estação fluviométrica da ANA (1996-2006. Os índices morfométricos de sinuosidade (1,86 e declividade média (10,86% revelam que a bacia não apresenta tendências para ocorrência de enchentes. O cálculo de vazão específica média confirma que existe em média um volume de água na ordem de 32.187,62 m³/h; valor suficiente para suprir ao longo do ano, as atividades econômicas e necessidades humanas na bacia. Em relação à declividade e uso da terra, verificou-se que a maior parte da bacia possui declives entre 3 e 8% (58%, significando que a área possui inclinações favoráveis às práticas agropastoris.

  6. A resource based view to small firms' sustainable competitive advantages: A case of Iranian small firms

    Directory of Open Access Journals (Sweden)

    Ali Reza Babakhan

    2012-10-01

    Full Text Available During the last decades, the importance of small firms as one of the main economical parts in each country has been proved. Considering to the resources limitation in one hand, and the competitive global market in the other hand, it is very important that firms can obtain sustainable competitive advantages (SCAs to compete with other rivals. This paper, at the first step, tries to explore the potentially SCAs of Qom's small firms by using of Structural Equation Model (SEM. Then, the real current situation of firms in using these competitive advantages has been examined. The results tell that except firms' location, other potentially SCAs do not have acceptable condition.

  7. Análise exploratória espacial dos preços das terras agrícolas no estado de São Paulo.

    Directory of Open Access Journals (Sweden)

    Hélder Gramacho dos Santos

    2015-04-01

    Full Text Available A Análise Exploratória de Dados Espaciais consiste de uma coleção de técnicas para descrever e visualizar distribuições espaciais, descobrir padrões de associação, identificar aglomerados e situações atípicas. Buscando alcançar a estes objetivos foi realizada Análise Exploratória Espacial dos Valores de Terra Nua de cinco categorias de terras agrícolas do Estado de São Paulo do ano de 2012. Realizou-se a estatística descritiva dos dados, calculou-se os Índices de Moran Global e o Índice Local de Associação Espacial e produziu-se mapas que descrevem os fenômenos espaciais. Todos os procedimentos utilizaram programas livres. Na discussão buscou-se associar a ocorrência dos fenômenos ao Valor da Produção Agropecuária (VPA de São Paulo em 2012. Todas as categorias de terras apresentaram autocorrelação espacial global e os indicadores locais identificaram clusters de preços altos e baixos, algumas categorias apresentaram outliers. Os padrões de formação de clusters foram diferentes para cada categoria de terra. Os maiores VPA estão localizadas em regiões onde ocorreram clusters de preços altos. Avaliações de imóveis rurais realizadas no estado de São Paulo devem atentar para a ocorrência da autocorrelação espacial. A disponibilidade de tais ferramentas por meio de softwares livres deve contribuir para a utilização de tais procedimentos pelos peritos e avaliadores.

  8. 13 CFR 315.6 - Firm eligibility for Adjustment Assistance.

    Science.gov (United States)

    2010-01-01

    ... 13 Business Credit and Assistance 1 2010-01-01 2010-01-01 false Firm eligibility for Adjustment..., DEPARTMENT OF COMMERCE TRADE ADJUSTMENT ASSISTANCE FOR FIRMS General Provisions § 315.6 Firm eligibility for Adjustment Assistance. (a) Firms participate in the Trade Adjustment Assistance for Firms program in...

  9. Análise hidro-mecânica da barragem de terra e enrocamento UHE emborcação

    OpenAIRE

    Rocha, Daniel de Oliveira

    2007-01-01

    Esta pesquisa apresenta os resultados das análises acopladas de equilíbrio e fluxo (tensãodeformação- poropressão) em 3 dimensões (3D) da barragem UHE Emborcação, de propriedade da Companhia Energética de Minas Gerais. Na tentativa de avançar nos estudos do comportamento mecânico e hidráulico da barragem de terra e enrocamento da UHE Emborcação, realizaram-se os estudos divididos em três partes: análise da influência da anisotropia na permeabilidade na fase construção, análise ...

  10. Educação popular, saúde e segurança alimentar em áreas do Movimento dos Trabalhadores Rurais Sem Terra

    OpenAIRE

    Bianca RÜCKERT; Marília Carla de Mello GAIA

    2014-01-01

    Este artigo analisa o desenvolvimento de uma ação educativa em segurança alimentar e nutricional envolvendo o Movimento dos Trabalhadores Rurais Sem Terra, na região Metropolitana de Belo Horizonte, Minas Gerais. A partir do registro da experiência, enfatizou-se a metodologia da ação, os saberes mobilizados e as mudanças nas práticas de saúde, segurança alimentar e produção agropecuária dos sujeitos envolvidos. As reflexões apontam para alguns elementos da metodologia que contribuíram para o ...

  11. Desempenho estrutural de protótipo de alvenaria construída com blocos de terra crua estabilizada

    Directory of Open Access Journals (Sweden)

    Aluísio Braz Melo

    Full Text Available Uma das dificuldades na difusão de tecnologias de construção não convencionais é a ausência de informações técnicas sobre os sistemas construtivos existentes. Exemplos de construção eco-eficiente, em pequena escala, feita com blocos de terra crua, desenvolvidos pelo Prof. Roberto Mattone, do Politecnico di Torino, Itália, podem ser encontrados no Brasil, Itália e Argentina. Estes blocos feitos com prensa manual apresentam intertravamentos entre si que melhoram a resistência e a rigidez da alvenaria. Testes em protótipos construídos com eles são necessários para atender as exigências técnicas e se obter credibilidade nas agências governamentais financiadoras. Este artigo apresenta resultados referentes a avaliação de desempenho estrutural de alvenaria (protótipo construído em escala real feita com blocos de terra crua estabilizada, mecânicamente por prensagem e químicamente por adição de cimento Portland. As avaliações de cargas de ocupação e impactos na alvenaria foram realizadas através de ensaios de impactos de corpo mole e de corpo duro, solicitações transmitidas por fechamentos bruscos de porta e solicitações de cargas provenientes de peças suspensas. A partir dos resultados pode-se afirmar que o protótipo apresentou desempenho satisfatório em relação à segurança estrutural. Destaca-se que os blocos avaliados tem grande potencial para reduzir o impacto ambiental das edificações.

  12. Development Application - Terra Nova Development - Development Application Summary

    International Nuclear Information System (INIS)

    1996-01-01

    This summary is part of the application for approval of the development of the Terra Nova Field off the coast of Newfoundland, prepared and submitted by Petro-Canada, on behalf of, and with the cooperation of its co-proponents. The full application consists of five parts, comprising the development plan itself, the Canada-Newfoundland benefits plan detailing commitments with regards to contracts and employment, the environmental impact statement concerning the impact of development on the physical and biological environment, and a statement of socio-economic impacts, characterizing existing and projected impacts of the development on the fisheries, industry, employment, demography, social and public infrastructures and facilities, and socio-cultural issues

  13. Summary of Aqua, Aura, and Terra High Interest Events

    Science.gov (United States)

    Newman, Lauri

    2015-01-01

    Single-obs tracking Sparsely tracked objects are an unfortunate reality of CARA operations Terra vs. 32081: new track with bad data was included in OD solution for secondary object and risk became high CARA and JSpOC discussed tracking and OSAs threw out the bad data. Event no longer presented high risk based on new OD Improvement: CARA now sends JSpOC a flag indicating when a single obs is included, so OSAs can evaluate if manual update to OD is required. Missing ASW OCMsAura vs. 87178, TCA: 317 at 08:04 UTC. Post-maneuver risk (conjunction was identified in OO results)CARA confirmed with JSpOC that ASW OCMs should have been received in addition to OO OCMsJSpOC corrected the manual error in their script that prevented the data from being delivered to CARAJSpOC QAd their other scripts to ensure this error did not exist in other places.

  14. TURISMO NO POVOADO DE TERRA CAÍDA/INDIROBA/SE: Do individual ao comunitário

    Directory of Open Access Journals (Sweden)

    Maria Geralda De Almeida

    2011-11-01

    Full Text Available Resumo: O propósito deste artigo é o de discutir a introdução do turismo rural no povoado Terra Caída no município de Indiaroba, em Sergipe. Especificamente, pretendeu-se caracterizar os aspectos físicos e culturais que sustentam a prática do turismo local e identificar as estratégias utilizadas pela comunidade para inserção na prática do turismo. Para o desenvolvimento deste trabalho foram realizadas pesquisa bibliográfica e documental, complementadas pelos trabalhos de campo, com observação direta e sistemática e entrevistas com líderes comunitários. O povoado tem na pesca tradicional a sua principal fonte de ocupação e renda, a qual, nos últimos tempos, vem apresentando transformações quanto ao potencial de produção e garantia de ocupação dos habitantes da localidade, além de ser pressionada pelas atividades de carcinicultura, com sérias transformações na (reorganização sócio espacial e territorial da localidade. Também foram considerados para esta reflexão os aspectos do turismo no espaço rural de base comunitária como fator de reorganização territorial e desenvolvimento local. Para tanto, analisou-se o nível de organização social local e sua interface com o desenvolvimento do turismo, bem como o papel da Associação pela Cidadania dos Pescadores e Moradores do Povoado Terra Caída, Município de Indiaroba/SE, na implementação do turismo local. Nos resultados observaram-se os fatores determinantes para a inserção da comunidade na atividade turística frente ao modelo adotado pelas políticas públicas e iniciativa privada. Conclui-se que o fetiche promovido pela atividade turística foi percebido pelas lideranças locais que acreditavam nessa alternativa. Percebeu-se, no entanto, que as estratégias implementadas pela comunidade local apresentam-se fragilizadas, necessitando de novos impulsos. Palavras-chave: Turismo. Meio Rural. Espaços Socioeconômicos. Comunidade Local. 

  15. Accuracy assessment of Terra-MODIS aerosol optical depth retrievals

    International Nuclear Information System (INIS)

    Safarpour, Sahabeh; Abdullah, Khiruddin; Lim, Hwee San; Dadras, Mohsen

    2014-01-01

    Moderate Resolution Imaging Spectroradiometer (MODIS) aerosol products have been widely used to address environment and climate change subjects with daily global coverage. Aerosol optical depth (AOD) is retrieved by different algorithms based on the pixel surface, determining between land and ocean. MODIS-Terra and Global Aerosol Robotic Network (AERONET) products can be obtained from the Multi-sensor Aerosol Products Sampling System (MAPSS) for coastal regions during 2000-2010. Using data collected from 83 coastal stations worldwide from AERONET from 2000-2010, accuracy assessments are made for coastal aerosol optical depth (AOD) retrieved from MODIS aboard the Terra satellite. AOD retrieved from MODIS at 0.55μm wavelength has been compared With the AERONET derived AOD, because it is reliable with the major wavelength used by many chemistry transport and climate models as well as previous MODIS validation studies. After removing retrievals with quality flags below1 for Ocean algorithm and below 3 for Land algorithm, The accuracy of AOD retrieved from MODIS Dark Target Ocean algorithms (correlation coefficient R 2 is 0.844 and a regression equation of τ M = 0.91·τ A + 0.02 (where subscripts M and A represent MODIS and AERONET respectively), is the greater than the MODIS Dark Target Land algorithms (correlation coefficient R 2 is 0.764 and τ M = 0.95·τ A + 0.03) and the Deep Blue algorithm (correlation coefficient R 2 is 0.652 and τ M = 0.81·τ A + 0.04). The reasons of the retrieval error in AOD are found to be the various underlying surface reflectance. Therefore, the aerosol models and underlying surface reflectance are the dominant factors which influence the accuracy of MODIS retrieval performance. Generally the MODIS Land algorithm implements better than the Ocean algorithm for coastal sites

  16. Terra Data Confirm Warm, Dry U.S. Winter

    Science.gov (United States)

    2002-01-01

    New maps of land surface temperature and snow cover produced by NASA's Terra satellite show this year's winter was warmer than last year's, and the snow line stayed farther north than normal. The observations confirm earlier National Oceanic and Atmospheric Administration reports that the United States was unusually warm and dry this past winter. (Click to read the NASA press release and to access higher-resolution images.) For the last two years, a new sensor aboard Terra has been collecting the most detailed global measurements ever made of our world's land surface temperatures and snow cover. The Moderate-resolution Imaging Spectroradiometer (MODIS) is already giving scientists new insights into our changing planet. Average temperatures during December 2001 through February 2002 for the contiguous United States appear to have been unseasonably warm from the Rockies eastward. In the top image the coldest temperatures appear black, while dark green, blue, red, yellow, and white indicate progressively warmer temperatures. MODIS observes both land surface temperature and emissivity, which indicates how efficiently a surface absorbs and emits thermal radiation. Compared to the winter of 2000-01, temperatures throughout much of the U.S. were warmer in 2001-02. The bottom image depicts the differences on a scale from dark blue (colder this year than last) to red (warmer this year than last). A large region of warm temperatures dominated the northern Great Plains, while the area around the Great Salt Lake was a cold spot. Images courtesy Robert Simmon, NASA GSFC, based upon data courtesy Zhengming Wan, MODIS Land Science Team member at the University of California, Santa Barbara's Institute for Computational Earth System Science

  17. Data Flow for the TERRA-REF project

    Science.gov (United States)

    Kooper, R.; Burnette, M.; Maloney, J.; LeBauer, D.

    2017-12-01

    The Transportation Energy Resources from Renewable Agriculture Phenotyping Reference Platform (TERRA-REF) program aims to identify crop traits that are best suited to producing high-energy sustainable biofuels and match those plant characteristics to their genes to speed the plant breeding process. One tool used to achieve this goal is a high-throughput phenotyping robot outfitted with sensors and cameras to monitor the growth of 1.25 acres of sorghum. Data types range from hyperspectral imaging to 3D reconstructions and thermal profiles, all at 1mm resolution. This system produces thousands of daily measurements with high spatiotemporal resolution. The team at NCSA processes, annotates, organizes and stores the massive amounts of data produced by this system - up to 5 TB per day. Data from the sensors is streamed to a local gantry-cache server. The standardized sensor raw data stream is automatically and securely delivered to NCSA using Globus Connect service. Once files have been successfully received by the Globus endpoint, the files are removed from the gantry-cache server. As each dataset arrives or is created the Clowder system automatically triggers different software tools to analyze each file, extract information, and convert files to a common format. Other tools can be triggered to run after all required data is uploaded. For example, a stitched image of the entire field is created after all images of the field become available. Some of these tools were developed by external collaborators based on predictive models and algorithms, others were developed as part of other projects and could be leveraged by the TERRA project. Data will be stored for the lifetime of the project and is estimated to reach 10 PB over 3 years. The Clowder system, BETY and other systems will allow users to easily find data by browsing or searching the extracted information.

  18. Views of CEOs on Firm Performance

    Directory of Open Access Journals (Sweden)

    Dario Berginc

    2014-11-01

    Full Text Available Researching the managerial perspective of performance can contribute to a better understanding of firm performance, and offer a valuable contribution to research on objective performance measurement. The aim of this article is to examine how managers evaluate firm performance and which factors, in their opinion, have the biggest influence on performance. We particularly wanted to investigate the influence of top management and owners on firm performance. We conducted a qualitative study among the CEOs of some of the most successful Slovenian firms. The results show that CEOs connect positive performance with long-term growth and satisfying the needs of key stakeholders (employees, customers and owners, but short-term positive financial performance represents the basic foundation. The second most important factor is a united top management, capable of generating new ideas and acting as a role model to employees. This can lead to a higher degree of engagement by employees and a better understanding of the firm's goals. Owners can contribute to a positive firm performance with their active, strategic and long-term orientation, and with their ability to set clear goals and to trust top management in the long run. Another important factor that influences firm performance is the ownership structure. In the opinion of CEOs, dominant and private ownership has a more positive impact on firm performance than dispersed and state ownership. The present research findings provide several examples of good and bad practice, and highlight opportunities for further research, from an in-depth study of individual factors of firm performance to the search for a more comprehensive model of performance factors, based on a larger sample of CEOs and other managers.

  19. Analysis of the Selected Firm

    OpenAIRE

    Šesták, Ján

    2012-01-01

    Bakalářská práce je zaměřena na analýzu vybrané firmy. Práce je rozdělena na teoretickou a praktickou část. V teoretické části jsou popsány metody, které byly použity pro analyzování firmy. V praktické části jsou aplikovány jednotlivé metody, Pro analýzu vnějšího prostředí byla použita analýza SLEPTE, pro analýzu odvětví byl použit Porterův model pěti konkurenčních sil, v další části se práce zabývá identifikací silných a slabých stránek firmy. V závěru práce jsou zhodnoceny výsledky analýz a...

  20. Endogenous network of firms and systemic risk

    Science.gov (United States)

    Ma, Qianting; He, Jianmin; Li, Shouwei

    2018-02-01

    We construct an endogenous network characterized by commercial credit relationships connecting the upstream and downstream firms. Simulation results indicate that the endogenous network model displays a scale-free property which exists in real-world firm systems. In terms of the network structure, with the expansion of the scale of network nodes, the systemic risk increases significantly, while the heterogeneities of network nodes have no effect on systemic risk. As for firm micro-behaviors, including the selection range of trading partners, actual output, labor requirement, price of intermediate products and employee salaries, increase of all these parameters will lead to higher systemic risk.

  1. Do Treasure Islands Create Firm Value?

    DEFF Research Database (Denmark)

    Choy, Siu Kai; Lai, Tat-kei

    On October 11, 2011, a non-governmental organization called ActionAid published a report condemning the FTSE 100 firms for holding an unusually large number of subsidiaries in tax havens. Urging the government to take appropriate actions, the report raised the firms’ costs of holding tax haven...... subsidiaries. After this event, there was a 0.9% drop in cumulative abnormal returns among the non-financial firms (corresponding to about £9 billion in market capitalization), more so for better-governed firms and those with larger shares of subsidiaries in tax havens. We find some evidence that government...

  2. Foreign Currency Borrowing by Small Firms

    OpenAIRE

    Martin Brown; Steven Ongena; Pinar Yesin

    2009-01-01

    We examine the firm- and country-level determinants of the currency denomination of small business loans. We first model the choice of loan currency in a framework which features a trade-off between lower cost of debt and the risk of firm-level distress costs, and also incorporates the impact of information asymmetry between banks and firms. When foreign currency funds come at a lower interest rate, all foreign currency earners as well as those local currency earners with high revenues and lo...

  3. FOOD ENTREPRENEUR SUSTAINABLE ORIENTATION AND FIRM PRACTICES

    Directory of Open Access Journals (Sweden)

    Mark A. Gagnon

    2016-10-01

    Full Text Available This exploratory research examines the relationship between food entrepreneur sustainable orientation, mindset and firm sustainable practices in a mixed methods format. In particular we seek to address if entrepreneur behavior and firm practices are congruent with founding entrepreneur espoused support of sustainability. Our survey findings with thirty specialty food entrepreneurs suggest tenuous empirical support for the relationship of entrepreneur sustainable orientation, mindset and firm sustainable practices. However our qualitative results indicate positive relationships between sustainable orientation, mindset and practices. Evidence from this work highlights the critical role of founding entrepreneurs for successful implementation of sustainability along its multiple fronts including profitability.

  4. Internationalisation of Firms in Developing Countries

    DEFF Research Database (Denmark)

    Kuada, John

    process with export and proceed in a path-dependent manner towards the location of production activities abroad. The present apper challenges this perspective, arguing that internationalisation of firms may be initiated through either or both upstream and downstream activities. It therefore proposes...... an integrated conceptual model for internationalisation, encompassing both upstream and downstream activities. Building on this understanding, the paper suggests that firms in general and developing county-based firms in particular, may adopt one or a combination of four routes of internationalisation: upstream...... only, downstream only, sequential upstream-downstream, and or concurrent upstream-downstream routes. The implication of these perspectives for policy, strategy and research are discussed....

  5. Banking Firm, Equity and Value at Risk

    Directory of Open Access Journals (Sweden)

    Udo Broll

    2012-12-01

    Full Text Available The paper focuses on the interaction between the solvency probability of a banking firm and the diversification potential of its asset portfolio when determining optimal equity capital. The purpose of this paper is to incorporate value at risk (VaR into the firm-theoretical model of a banking firm facing the risk of asset return. Given the necessity to achieve a confidence level for solvency, we demonstrate that diversification reduces the amount of equity. Notably, the VaR concept excludes a separation of equity policy and asset-liability management.

  6. A firm's activity in social media and its relationship with corporate reputation, firm size and firm performance

    OpenAIRE

    Mäkinen, Hanna

    2015-01-01

    The significance of social media has increased greatly in the past few years, leading companies to increase their social media activity and also increase their interest in knowing whether it is genuinely worth being active on social media, including knowing the potential advantages. This study aims to examine the relationship between social media activity and three variables: reputation, firm size and firm performance. The study analyzes the relationships between the constru...

  7. Motivators of Dividend Payout among Firms listed on the Stock ...

    African Journals Online (AJOL)

    Nafiisah

    firms that are officially listed on the Stock Exchange of Mauritius. .... future prospects of their firms, their actions might convey new information to ... Sometimes, when designing dividend policies, some firms consider the behaviour of their.

  8. NO RASTRO DA TRAGÉDIA: PROJETOS DESENVOLVIMENTISTAS NA TERRA INDÍGENA WAIMIRI-ATROARI

    Directory of Open Access Journals (Sweden)

    Eduardo Gomes da Silva Filho

    2014-12-01

    Full Text Available In this paper, I present a brief summary of the implementation of major developmental projects in indigenous land Waimiri-Atroari. With the analysis of public, civil-military dictatorship and the private sector in its territory traditionally occupied. From this perspective, we opened the search for the discussion of three major projects: construction of the BR 174, the action of the Paranapanema group, responsible for Mining Taboca S / A, which manages the Pitinga mine and the construction of the Balbina Hydroelectric Plant, analyzing its causes and consequences. The land demarcation process, from the seal of the 1971 decree that created the Indian reservation Waimiri-Atroari, as during the civil-military dictatorship, until the other demarcations, including dealing with the decline of the indigenous territory in 1981, also are objects of investigation and analysis, as well as the granting of authorization permits and operation of these large enterprises.

  9. COBERTURA VEGETAL E USO DA TERRA NA REGIÃO ARARIPE PERNAMBUCANA

    Directory of Open Access Journals (Sweden)

    Ivan Ighour Silva Sá

    2010-01-01

    Full Text Available Este estudio desarrolla los municipios de Araripina, Bodocó, Ipubi, Ouricuri y Trinidad. Estos distritos forman el eje de Araripe y se encuentran en el extremo oeste de Pernambuco. Esta región sufre intensos cambios en el paisaje mediante la eliminación de la cubierta vegetal para el uso de leña en la calcinación de la región, así como para las prácticas agrícolas tradicionales. El objetivo de este estudio es analizar la vegetación de esta región, basado en la clasifi cación no supervisada de NDVI y encuestas sobre el terreno. En la región son las caras Savana facies Estépica en sus bosques y cubierta de árboles que se encuentran en la Unidad de Paisaje Depresión país, las áreas de contacto de tipo de vegetación Savana, Savana Estépica y el bosque de hoja caduca que se encuentran en la Araripe y áreas donde estas caras están en la regeneración y en áreas de la agricultura.

  10. Cobertura vegetal e uso da terra na região Araripe Pernambucana.

    OpenAIRE

    SÁ, I. I. S.; GALVÍNCIO, J. D.; MOURA, M. S. B. de; SA, I. B.

    2010-01-01

    Este estudio desarrolla los municipios de Araripina, Bodocó, Ipubi, Ouricuri y Trinidad. Estos distritos forman el eje de Araripe y se encuentran en el extremo oeste de Pernambuco. Esta región sufre intensos cambios en el paisaje mediante la eliminación de la cubierta vegetal para el uso de leña en la calcinación de la región, así como para las prácticas agrícolas tradicionales. El objetivo de este estudio es analizar la vegetación de esta región, basado en la clasifi cación no supervisada de...

  11. Acompanhamento de enfermagem em saúde pública, assessoramento pedagógico e agrícola numa comunidade de assentados sem-terra na zona rural: relato de experiência Acompañamiento de enfermería en salud pública, asesoramiento pedagógico y agrícola en una comunidad de asentados "sin tierra" en la zona rural: relato de experiencia Public health nursing, pedagogical and agricultural ad vice in a rural community of settled landless people: an experience

    Directory of Open Access Journals (Sweden)

    Jacó Fernando Schneider

    1995-01-01

    Full Text Available O estudo relata uma experiência no acompanhamento de Enfermagem, assessoramento pedagógico e agrícola desenvolvido em uma comunidade de assentados sem-terra na zona rural da cidade de Cascavel, estado do Paraná, que teve como premissa básica a integração docente/discente, oferecendo oportunidade de socialização do saber, integração teoria e prática e contato direto com a comunidade. Aponta para a necessidade da enfermagem compreender melhor este tipo de realidade buscando, através da observação e vivência, uma visão crítica com possibilidades de intervenção.El estudio relata una experiencia en el acompañamiento de enfermería, asesoramiento pedagógico y agrícola desarrollado en una comunidad de asentados "sin tierra" en la zona rural perteneciente al municipio de Cascavel, estado del Paraná, que tuvo como principio básico la integración docente/alumno, ofreciendo oportunidad de socialización del saber, integración teoría y práctica y contacto directo con la comunidad. Señala la necessidad de la enfermería comprender mejor este tipo de realidad, buscando por medio de la observación y vivencia, una visión crítica con posibilidades de intervención.This study reports an experience in nursing accompaniment, pedagogical and agricultural advice in a community of settled people without land in the countryside of Cascavel, state of Paraná. The basic premise was student/teacher integration offering the opportunity of knowledge socialization, integration of theory and practice and direct contact with the community. It points out that nursing needs a better understanding of this type of reality seeking, by observation and living, a critical vision with the possibility of intervention.

  12. Financing patterns around the world: Are small firms different?.

    OpenAIRE

    Beck, T.H.L.; Demirgüc-Kunt, A.; Maksimovic, V.

    2008-01-01

    Using a firm-level survey database covering 48 countries, we investigate how financial and institutional development affects financing of large and small firms. Our database is not limited to large firms but includes small and medium-size firms and data on a broad spectrum of financing sources, including leasing, supplier, development, and informal finance. Small firms and firms in countries with poor institutions use less external finance, especially bank finance. Protection of property righ...

  13. Source of finance, growth and firm size: Evidence from China

    OpenAIRE

    Du, Jun; Girma, Sourafel

    2009-01-01

    Using a comprehensive firm-level dataset spanning the period 1998-2005, this paper provides a thorough investigation of the relationship between firm size, total factor productivity growth and financial structure in China, controlling for the endogeneity of the latter. Generally, it finds financing source matters for firms of different size, and the extent to which financing source matters for firm growth is greater for small firms than big firms. Self-raised finance appears to be most effect...

  14. Deserts in the Deluge: TerraPopulus and Big Human-Environment Data.

    Science.gov (United States)

    Manson, S M; Kugler, T A; Haynes, D

    2016-01-01

    Terra Populus, or TerraPop, is a cyberinfrastructure project that integrates, preserves, and disseminates massive data collections describing characteristics of the human population and environment over the last six decades. TerraPop has made a number of GIScience advances in the handling of big spatial data to make information interoperable between formats and across scientific communities. In this paper, we describe challenges of these data, or 'deserts in the deluge' of data, that are common to spatial big data more broadly, and explore computational solutions specific to microdata, raster, and vector data models.

  15. A metodologia de projecto na aprendizagem da biodiversidade e geodiversidade na praia da concha

    OpenAIRE

    Rosa, Marina Maria Filipe

    2012-01-01

    Dissertação de mestrado em Biologia e de Geologia, apresentada ao Departamento de Ciências da Terra e ao Departamento de Ciências da Vida Este trabalho consistiu na implementação e avaliação da metodologia de projeto no estudo da Biodiversidade e Geodiversidade na Praia da Concha, Portugal Central, dando ênfase ao trabalho prático, através de uma aula de campo e de aulas laboratoriais. O trabalho foi realizado numa escola da Marinha Grande, com 11 alunos do 10º ano de escolaridade. Sendo a...

  16. Advertising in accounting firms: Empirical Perspective

    OpenAIRE

    Kusuma, Hadri

    2016-01-01

    Advertising becomes an interesting tool for the accounting profession in the face of increased competition. Accounting firms today realize that advertising will play an important role in their overall success.

  17. Technology Driven Organizational Structure of the Firm

    NARCIS (Netherlands)

    van den Brink, J.R.; Ruys, P.H.M.

    2008-01-01

    We model a corporate firm with a variable internal organizational structure that adapts to various degrees of technological cooperation. The entrepreneur determines the organizational structure that maximizes profits under participation constraints. Wages are determined by an internal cooperative

  18. Green Shipping Practices of Shipping Firms

    Directory of Open Access Journals (Sweden)

    Young-Tae Chang

    2017-05-01

    Full Text Available The primary objective of this study is to provide an empirical research using structural equation modeling to identify the factors that motivate shipping firms to adopt green shipping practices (GSP. Furthermore, it also examines if adopting GSP can enhance the shipping firms’ environmental and productivity performance. The findings show that shipping firms are motivated to adopt GSP mostly by industrial norms set by institutionalized associations. They are also motivated by customers’ demand for environmental friendliness and their own strategy to make good image. Unlike our expectation, government regulations and international environmental laws are not significant in influencing shipping firms to adopt GSP. Moreover, adoption of green shipping practices can improve the environmental and productivity performance of the shipping firms.

  19. Small Firm Internationalization, Innovation, and Growth

    NARCIS (Netherlands)

    Boermans, M.A.; Roelfsema, H.J.

    2016-01-01

    This paper studies the effect of internationalization on innovation and firm performance (employment growth and sales growth) taking the interdependencies among the variables into account. Given the potential endogeneity, this study uses theory-driven instrumental variables and structural equation

  20. EAS 2.948 Listed Test Firms

    Data.gov (United States)

    Federal Communications Commission — EAS (Equipment Authorization System). The following firms have submitted the information required by Section 2.948 of the FCC Rules for measuring devices subject to...

  1. Taxing the Financially Integrated Multinational Firm

    DEFF Research Database (Denmark)

    Johannesen, Niels

    partly fall on investment and thus workers in the former country. This tax exporting mechanism introduces a scope for corporate taxes, which is not present in standard models of international taxation. Accounting for the internal capital markets of multinational firms thus represents a way to resolve......This paper develops a theoretical model of corporate taxation in the presence of financially integrated multinational firms. Under the assumption that multinational firms at least partly use internal loans to finance foreign investment, we find that the optimal corporate tax rate is positive from...... the perspective of a small, open economy. This finding contrasts the standard result that the optimal source based capital tax is zero. Intuitively, to the extent that multinational firms finance investment in country i with loans from affiliates in country j, the burden of corporate taxes in the latter country...

  2. Guarantees come to professional service firms.

    Science.gov (United States)

    Hart, C W; Schlesinger, L A; Maher, D

    1992-01-01

    Can lawyers, doctors, investment bankers, accountants, and consultants guarantee their work? Your money back if not absolutely delighted? Some professional service firms are doing exactly that, and they believe they are gaining not only satisfied customers but higher market share and improved service quality. The authors discuss the benefits and risks of unconditional and more limited guarantees. Firms that address this issue proactively now, they argue, will be less likely to rush into poorly considered guarantees later.

  3. Do Firms Believe in Interest Rate Parity?

    OpenAIRE

    Matthew R. McBrady; Sandra Mortal; Michael J. Schill

    2010-01-01

    Using a broad sample of international corporate bond offerings, we provide evidence that corporate borrowers make opportunistic currency choices, in that they denominate the currency of their bonds in a manner that is inconsistent with a belief in either covered or uncovered interest rate parity. Using firm-level tests, we identify a number of characteristics of firms that engage in opportunistic behavior. We observe that large issuers located in developed markets with investment-grade rating...

  4. Service-Oriented Strategies for Manufacturing Firms

    DEFF Research Database (Denmark)

    Tan, Adrian; McAloone, Tim C.; Matzen, Detlef

    2009-01-01

    This chapter establishes PSS (Product/Service-Systems) approaches in the context of manufacturing firms and their existing product-oriented business. PSS can be seen as a strategy for manufacturing firms to gain competitive advantage in the market, but what market conditions and organisational......, customers and partners in business planning and strategy to reap the full benefits. Finally a path to how manufacturers can make the change from product to service-orientation is traced....

  5. Strategic Intent, Confucian Harmony and Firm Success

    OpenAIRE

    Edward J. Romar

    2009-01-01

    This paper argues that by using the Confucian concept of harmony as its strategicintent a firm can be both ethical and successful. Using the work of Peter F. Drucker,Michael Porter, and Gary Hamel and C. K. Prahalad the paper discusses the role ofstrategic intent as a contributing factor to firm success. The paper then discusses how theConfucian concept of harmony fulfills the concept of strategic intent and how harmony cancontribute to the development of a successful and ethical organization...

  6. Incentives and cooperation in firms: Field evidence

    OpenAIRE

    Berger, Johannes; Herbertz, Claus; Sliwka, Dirk

    2011-01-01

    We empirically investigate the impact of incentive scheme structure on the degree of cooperation in firms using a unique and representative data set. Combining employee survey data with detailed firm level information on the relative importance of individual, team, and company performance for compensation, we find a significant positive relation between the intensity of team incentives and several survey measures of cooperation. Moreover, higher powered team incentives are associated with low...

  7. Multinational Firms and The New Trade Theory

    OpenAIRE

    James R. Markusen; Anthony J. Venables

    1995-01-01

    A model is constructed in which multinational firms may arise endogenously. Multinationals exist in equilibrium when transport and tariff costs are high, incomes are high, and firm-level scale economies are important relative to plant-level scale economies. Less obvious, multinationals are more important in total economic activity when countries are more similar in incomes, relative factor endowments, and technologies. The model may thus be useful in explaining several stylized facts, includi...

  8. Comportements des firmes et commerce international

    OpenAIRE

    Joël Thomas Ravix; Olivier Sautel

    2007-01-01

    Growth of international outsourcing, has been a dominant feature of the international economy. Recent theoretical developments have focused on firm behaviour and its consequences on trade structure, through the introduction of the modern theory of the firm. In a first section, we link this new approach with previous explanations of vertical specialization (intra-industry trade and Multinational Corporation). In a second section, we present methodology and results of these new developments, wh...

  9. Intra-industry trade with multinational firms

    OpenAIRE

    Egger, H; Egger, P; Greenaway, D

    2007-01-01

    Recent developments, including the analysis of firm-level adjustment to falling trade costs, have contributed to a revival of interest in intra-industry trade (IIT). Most empirical work still relies on the standard Grubel–Lloyd measure. This however refers only to international trade, disregarding income flows stimulated by repatriated profits of multinational firms. Given the overwhelming importance of the latter, this is a major shortcoming. This paper provides a guide to measurement and es...

  10. Cost Focussed Firms and Internet Usage

    OpenAIRE

    Joanne Loundes

    2002-01-01

    This paper looks at Internet usage by Australian firms that have a cost focussed competitive strategy. The data source for this analysis is the Melbourne Institute Business Survey, conducted by the Melbourne Institute of Applied Economic and Social Research. The survey was conducted in late 2001, and targeted large Australian firms. Instrumental variables estimation found that cost-focussed organizations utilised the Internet more intensively for both internal organizational activities and ex...

  11. Markups and Firm-Level Export Status

    DEFF Research Database (Denmark)

    De Loecker, Jan; Warzynski, Frederic

    and export behavior using plant-level data. We find that i) markups are estimated significantly higher when controlling for unobserved productivity, ii) exporters charge on average higher markups and iii) firms' markups increase (decrease) upon export entry (exit).We see these findings as a first step...... in opening up the productivity-export black box, and provide a potential explanation for the big measured productivity premia for firms entering export markets....

  12. The Variance Composition of Firm Growth Rates

    Directory of Open Access Journals (Sweden)

    Luiz Artur Ledur Brito

    2009-04-01

    Full Text Available Firms exhibit a wide variability in growth rates. This can be seen as another manifestation of the fact that firms are different from one another in several respects. This study investigated this variability using the variance components technique previously used to decompose the variance of financial performance. The main source of variation in growth rates, responsible for more than 40% of total variance, corresponds to individual, idiosyncratic firm aspects and not to industry, country, or macroeconomic conditions prevailing in specific years. Firm growth, similar to financial performance, is mostly unique to specific firms and not an industry or country related phenomenon. This finding also justifies using growth as an alternative outcome of superior firm resources and as a complementary dimension of competitive advantage. This also links this research with the resource-based view of strategy. Country was the second source of variation with around 10% of total variance. The analysis was done using the Compustat Global database with 80,320 observations, comprising 13,221 companies in 47 countries, covering the years of 1994 to 2002. It also compared the variance structure of growth to the variance structure of financial performance in the same sample.

  13. Do Work-Life Balance Policies Increase a Firm's Total Factor Productivity?: Evidence from panel data of Japanese firms (Japanese)

    OpenAIRE

    YAMAMOTO Isamu; MATSUURA Toshiyuki

    2011-01-01

    This paper examines how firms' policies for workers' work-life balance (WLB) affect total factor productivity (TFP) in the long run, by using panel data of Japanese firms from the 1990s. Although we observed a positive correlation between firms' WLB policies and their TFP, once controlling for unobserved firm heterogeneity, we found no causal relationship where WLB policies increase a firm's TFP in the long run. Under the following conditions, however, WLB policies would likely improve a firm...

  14. Effect of Work-Life Balance Practices on Firm Productivity: Evidence from Japanese firm-level panel data

    OpenAIRE

    YAMAMOTO Isamu; MATSUURA Toshiyuki

    2012-01-01

    This paper examines how firm practices that could contribute to worker attainment of work-life balance (WLB) affect the total factor productivity (TFP) of a firm, by using panel data of Japanese firms from the 1990s. We observed a positive correlation between the WLB practices and TFP among sampled firms. However, that correlation vanished when we controlled for unobserved firm heterogeneity, and we found no general causal relationship in which WLB practices increase firm TFP in the medium or...

  15. Leverage, Growth Opportunities and Firm Investment: The Case of Manufacturing Firms in China

    OpenAIRE

    Di Sheng; Shuyang Hou

    2014-01-01

    This paper examined the impact of financial leverage on investment decisions offirms using the panel data of publicly traded Chinese firms. We collected data for511 manufacturing companies during the period from 2005 to 2013 to do theresearch. The data shows that financial leverage is negatively correlated with afirm’s investment. Moreover, after we categorized the data into two types: 1)high-growth firms and 2) low-growth firms, it demonstrated that such negativecorrelation is significant fo...

  16. Inference from concave stochastic frontiers and the covariance of firm efficiency measures across firms

    International Nuclear Information System (INIS)

    Dashti, Imad

    2003-01-01

    This paper uses a Bayesian stochastic frontier model to obtain confidence intervals on firm efficiency measures of electric utilities rather than the point estimates reported in most previous studies. Results reveal that the stochastic frontier model yields imprecise measures of firm efficiency. However, the application produces much more precise inference on pairwise efficiency comparisons of firms due to a sometimes strong positive covariance of efficiency measures across firms. In addition, we examine the sensitivity to functional form by repeating the analysis for Cobb-Douglas, translog and Fourier frontiers, with and without imposing monotonicity and concavity

  17. MODIS/Terra Aerosol 5-Min L2 Swath 10km V5.1

    Data.gov (United States)

    National Aeronautics and Space Administration — MODIS was launched aboard the Terra satellite on December 18, 1999 (10:30 am equator crossing time) as part of NASA's Earth Observing System (EOS) mission. MODIS...

  18. Climate, migration, and the local food security context: Introducing Terra Populus

    Science.gov (United States)

    Schlak, Allison M.; Kugler, Tracy A.

    2016-01-01

    Studies investigating the connection between environmental factors and migration are difficult to execute because they require the integration of microdata and spatial information. In this article, we introduce the novel, publically available data extraction system Terra Populus (TerraPop), which was designed to facilitate population-environment studies. We showcase the use of TerraPop by exploring variations in the climate-migration association in Burkina Faso and Senegal based on differences in the local food security context. Food security was approximated using anthropometric indicators of child stunting and wasting derived from Demographic and Health Surveys (DHS) and linked to the TerraPop extract of climate and migration information. We find that an increase in heat waves was associated with a decrease in international migration from Burkina Faso, while excessive precipitation increased international moves from Senegal. Significant interactions reveal that the adverse effects of heat waves and droughts are strongly amplified in highly food insecure Senegalese departments. PMID:27974863

  19. MODIS/Terra Vegetation Continuous Fields Yearly L3 Global 500m SIN Grid V051

    Data.gov (United States)

    National Aeronautics and Space Administration — The Terra MODIS Vegetation Continuous Fields (VCF) product is a sub-pixel-level representation of surface vegetation cover estimates globally. Designed to...

  20. NAMMA MODIS/AQUA AND MODIS/TERRA DEEP BLUE PRODUCTS V1

    Data.gov (United States)

    National Aeronautics and Space Administration — The NAMMA MODIS/AQUA and MODIS/TERRA Deep Blue Products dataset is a collection of images depicting the aerosol optical depth derived from the MODIS deep blue...

  1. Chlorophyll-a, Terra MODIS, OSU DB, 0.0125 degrees, West US, EXPERIMENTAL

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — NOAA CoastWatch distributes chlorophyll-a concentration data from NASA's Terra satellite. Measurements are gathered by the Moderate Resolution Imaging...

  2. Automated inundation monitoring using TerraSAR-X multitemporal imagery

    Science.gov (United States)

    Gebhardt, S.; Huth, J.; Wehrmann, T.; Schettler, I.; Künzer, C.; Schmidt, M.; Dech, S.

    2009-04-01

    The Mekong Delta in Vietnam offers natural resources for several million inhabitants. However, a strong population increase, changing climatic conditions and regulatory measures at the upper reaches of the Mekong lead to severe changes in the Delta. Extreme flood events occur more frequently, drinking water availability is increasingly limited, soils show signs of salinization or acidification, species and complete habitats diminish. During the Monsoon season the river regularly overflows its banks in the lower Mekong area, usually with beneficial effects. However, extreme flood events occur more frequently causing extensive damage, on the average once every 6 to 10 years river flood levels exceed the critical beneficial level X-band SAR data are well suited for deriving inundated surface areas. The TerraSAR-X sensor with its different scanning modi allows for the derivation of spatial and temporal high resolved inundation masks. The paper presents an automated procedure for deriving inundated areas from TerraSAR-X Scansar and Stripmap image data. Within the framework of the German-Vietnamese WISDOM project, focussing the Mekong Delta region in Vietnam, images have been acquired covering the flood season from June 2008 to November 2008. Based on these images a time series of the so called watermask showing inundated areas have been derived. The product is required as intermediate to (i) calibrate 2d inundation model scenarios, (ii) estimate the extent of affected areas, and (iii) analyze the scope of prior crisis. The image processing approach is based on the assumption that water surfaces are forward scattering the radar signal resulting in low backscatter signals to the sensor. It uses multiple grey level thresholds and image morphological operations. The approach is robust in terms of automation, accuracy, robustness, and processing time. The resulting watermasks show the seasonal flooding pattern with inundations starting in July, having their peak at the end

  3. TerraFERMA: Harnessing Advanced Computational Libraries in Earth Science

    Science.gov (United States)

    Wilson, C. R.; Spiegelman, M.; van Keken, P.

    2012-12-01

    Many important problems in Earth sciences can be described by non-linear coupled systems of partial differential equations. These "multi-physics" problems include thermo-chemical convection in Earth and planetary interiors, interactions of fluids and magmas with the Earth's mantle and crust and coupled flow of water and ice. These problems are of interest to a large community of researchers but are complicated to model and understand. Much of this complexity stems from the nature of multi-physics where small changes in the coupling between variables or constitutive relations can lead to radical changes in behavior, which in turn affect critical computational choices such as discretizations, solvers and preconditioners. To make progress in understanding such coupled systems requires a computational framework where multi-physics problems can be described at a high-level while maintaining the flexibility to easily modify the solution algorithm. Fortunately, recent advances in computational science provide a basis for implementing such a framework. Here we present the Transparent Finite Element Rapid Model Assembler (TerraFERMA), which leverages several advanced open-source libraries for core functionality. FEniCS (fenicsproject.org) provides a high level language for describing the weak forms of coupled systems of equations, and an automatic code generator that produces finite element assembly code. PETSc (www.mcs.anl.gov/petsc) provides a wide range of scalable linear and non-linear solvers that can be composed into effective multi-physics preconditioners. SPuD (amcg.ese.ic.ac.uk/Spud) is an application neutral options system that provides both human and machine-readable interfaces based on a single xml schema. Our software integrates these libraries and provides the user with a framework for exploring multi-physics problems. A single options file fully describes the problem, including all equations, coefficients and solver options. Custom compiled applications are

  4. Report on terrestrial biology research and logistics at Baia Terra Nova Station

    Directory of Open Access Journals (Sweden)

    Satoshi Imura

    1999-11-01

    Full Text Available From December 4,1998 to January 15,1999,the author stayed at Baia Terra Nova Station (Italy in Antarctica, as an exchange scientist. To compare the biodiversity between Syowa Station and the Baia Terra Nova Station area, many samples of mosses, lichens, algae and micro animals in the soil were collected, and the structure of moss vegetation was studied in various fields around the station. Some characteristic features of logistics at the station were also researched.

  5. Minúsculas repúblicas em Terra Fria de Ferreira de Castro

    Directory of Open Access Journals (Sweden)

    Iza Gonçalves Quelhas

    2014-04-01

    Full Text Available Este artigo propõe uma leitura do romance Terra fria (1934, de Ferreira de Castro, autor de nacionalidade portuguesa, a partir da concepção de cronotopo de Mikhail Bakhtin, com relevo para os múltiplos significados do signo fronteira que incorpora ao romance valores éticos e estéticos. Palavras-chave: Terra fria, Ferreira de Castro, cronotopo,Mikhail Bakhtin.

  6. From Soup to Nuts: How Terra has enabled the growth of NASA Earth science communication

    Science.gov (United States)

    Ward, K.; Carlowicz, M. J.; Allen, J.; Voiland, A.; Przyborski, P.

    2014-12-01

    The birth of NASA's Earth Observatory website in 1999 closely mirrored the launch of Terra and over the years its growth has paralleled that of the Earth Observing System (EOS) program. With the launch of Terra, NASA gained an extraordinary platform that not only promised new science capabilities but gave us the data and imagery for telling the stories behind the science. The Earth Observatory Group was founded to communicate these stories to the public. We will present how we have used the capabilities of all the Terra instruments over the past 15 years to expand the public's knowledge of NASA Earth science. The ever-increasing quantity and quality of Terra data, combined with technological improvements to data availability and services has allowed the Earth Observatory and, as a result, the greater science-aware media, to greatly expand the visibility of NASA data and imagery. We will offer thoughts on best practices in using these multi-faceted instruments for public communication and we will share how we have worked with Terra science teams and affiliated systems to see the potential stories in their data and the value of providing the data in a timely fashion. Terra has allowed us to tell the stories of our Earth today like never before.

  7. Stars come down to Earth As estrelas descem à Terra

    Directory of Open Access Journals (Sweden)

    Luiz Marcelo Brandão Carneiro

    2009-09-01

    Full Text Available Stars come down to Earth — A little known essay by Theodor W. Adorno, Stars Come Down to Earth is a study about horoscopes and superstition, written in the form of an analysis for the astrology column of the Los Angeles Times in the early 1950s. The German philosopher points out that the texts offered to the reader are an amalgam of the rational and the irrational, revealing the frankly ideological meanderings of their object. Obra não muito conhecida de Theodor W. Adorno, As estrelas descem à Terra é um estudo sobre horóscopo e superstição, originalmente dirigido à coluna de astrologia do Los Angeles Times do início dos anos 1950. O filósofo alemão, pontuando os textos oferecidos aos leitores como um mistura entre o racional e o irracional, revela os meandros do caráter francamente ideológico de seu objeto.

  8. Surface Current Measurements In Terra Nova Bay By Hf Radar

    Science.gov (United States)

    Flocco, D.; Falco, P.; Wadhams, P.; Spezie, G.

    We present the preliminary results of a field experiment carried out within frame- work of the CLIMA project of the Italian National Programme for Antarctic Research (PNRA) and in cooperation with the Scott Polar Research Institute of Cambridge. Dur- ing the second period (02/12/1999-23/01/2000) of the XV Italian expedition a coastal radar was used to characterize the current field in the area of Terra Nova Bay (TNB). One of the aims of the CLIMA (Climatic Long-term Interactions for the Mass balance in Antarctica) project is to determine the role of the polynya in the sea ice mass bal- ance, water structure and local climate. The OSCR-II experiment was planned in order to provide surface current measurements in the area of TNB polynya, one of the most important coastal polynya of the Ross Sea. OSCR (Ocean Surface Current Radar) is a shore based, remote sensing system designed to measure sea surface currents in coastal waters. Two radar sites (a master and a slave) provide with radial current mea- surements; data combined from both sites yield the total current vector. Unfortunately the master and slave stations did not work together throughout the whole period of the experiment. A description of the experiment and a discussion of the results, will be proposed.

  9. High resolution geomagnetic field observations at Terra Nova bay, Antarctica

    Directory of Open Access Journals (Sweden)

    P. Palangio

    1996-06-01

    Full Text Available he preliminary results obtained from the analysis in the micropulsation frequency range of high time resolution magnetic field data recorded at the Antarctic Italian geomagnetic observatory at Terra Nova Bay for 11 consecutive days in February 1994 are reported. The spectral index over the whole Pcl-Pc5 frequency range is of the order of 3.5 and its value significantly increases beyond about 50 mHz. Spectral peaks in the Pc3 frequency range are common, especially during the daytime hours, and are probably due to the direct penetration of upstream waves in the cusp region. From the local time distribution of the micro pulsation power, a signifi - cant activity enhancement around the local magnetic noon emerges, in agreement with previous observations. The analysis of the signal polarisation characteristics in the horizontal plane shows a predominant CW polarisation in the Pcl-Pc3 frequency ranges with the major axis of the polarisation ellipse in the first quadrant.

  10. Kyanite from the Deep Freeze Range, Terra Nova Bay, Antarctica

    International Nuclear Information System (INIS)

    Skinner, D.N.B.; Estrada, S.

    2002-01-01

    During GANOVEX VII in 1992, kyanite was discovered in quartz veins on the southwest flank of Mt Levick, in the Deep Freeze Range, Terra Nova Bay, Antarctica. The quartz veins cut an isoclinally (D 1 ) folded sequence of low-grade (Mu-Bt-Crd±And±St) pelitic schist with associated para-amphibolites, calc-silicates, and quartzites (Priestley Formation), which forms the western, steeply dipping to overturned limb of a D 2 , kilometric fold. The schists grade northeastwards into higher grade schists (Kfs-Sil-Crd) of the low-angle upper limb of the D 2 fold, and thus the regional metamorphism postdates the fold. D 3 southeast-verging folds lie on the upper limb. The kyanite crystals (up to 3.5 cm long) occur with paragonitic muscovite and minor plagioclase (An 36 . The quartz veins and saddle reefs are cleaved and boudinaged, but the kyanite shows only mild deformation suggesting late tectonic growth. There is no indication that the host schists entered the stability field of kyanite. The change in P-T conditions that promoted the growth of kyanite appears to have been transient and temporally insufficient to allow the country rocks to react. It is suggested that the action of the nearby Boomerang Thrust bringing older gneiss over the Priestley Formation schists could have generated the D 3 folds and provided the necessary overpressure conditions for the kyanite to grow from the quartz vein fluids. (author). 23 refs., 5 figs., 1 tab

  11. DINÂMICA DA COBERTURA DA TERRA DO DISTRITO FEDERAL DENTRO DE SUAS UNIDADES GEOMORFOLÓGICAS

    Directory of Open Access Journals (Sweden)

    Glauber Neves

    2018-04-01

    Full Text Available O objetivo deste trabalho foi avaliar a dinâmica da cobertura da terra do território do Distrito Federal dentro do domínio de suas unidades de relevo. O trabalho foi dividido em três etapas: i mapeamento multitemporal da cobertura da terra, foi utilizado um método de classificação semi-automatizado com dados dos sensores TM e OLI a bordo dos satélites Landsat 5 e 8, respectivamente, entre os anos de 1985 e 2015; ii mapeamento das unidades de relevo, foi utilizado um método de classificação por digitalização em tela a partir de um MDE da SRTM; iii relação relevo-cobertura, quantificação dos dados de cobertura em função das unidades de relevo a fim de identificar seus padrões de distribuição. Identificou-se a presença de dois grandes ambientes com padrões de distribuição da cobertura distintos. O primeiro, composto por Chapadas e Rampas de Colúvio, apresentou padrões de cobertura vinculadas a múltiplos usos, principalmente pelo desenvolvimento urbano e agropecuário. O segundo, composto por Ambiente Colinoso e Vale, apresentou maior preservação da cobertura vegetal natural. A identificação desses ambientes é importante para a definição de limites ambientais que auxiliem na gestão dos recursos naturais e no ordenamento territorial.

  12. The Clean Development Mechanism and Dynamic Capabilities of Implementing Firms

    DEFF Research Database (Denmark)

    Aggarwal, Aradhna

    and non-CDM firms as the control group for the pre- and post-CDM implementation periods. We control for unobserved fixed effects of firms and time periods and observed characteristics of firms and CDM projects. The analysis draws on the balance sheet data of 612 firms from India between 2001 and 2012 from...

  13. Does Corruption Increase or Decrease Employment in Firms?

    OpenAIRE

    Beltrán, Arlette

    2015-01-01

    This article uses representative data for firms for Latin American firms and show that corruption decreases employment in firms. This result is robust to changes in specification and also consistent with the use of an instrumental variables approach. Corruption appears to negatively impact the growth and wealth in a country, not by introducing labour distortion in firms, but by keeping them small.

  14. Market-Oriented Product Innovation in Small Firms

    NARCIS (Netherlands)

    Verhees, F.J.H.M.

    2005-01-01

    Description: This thesis deals with product-innovation in small firms. It aims at a better understanding of the determinants of product innovation in small firms, particularly those determinants that are related to the market orientation of small firms. The focus of the study is on small firms that

  15. Financing patterns around the world : Are small firms different?

    NARCIS (Netherlands)

    Beck, T.H.L.; Demirgüc-Kunt, A.; Maksimovic, V.

    2008-01-01

    Using a firm-level survey database covering 48 countries, we investigate how financial and institutional development affects financing of large and small firms. Our database is not limited to large firms, but includes small and medium firms and data on a broad spectrum of financing sources,

  16. Within- and Cross-Firm Mobility and Earnings Growth

    DEFF Research Database (Denmark)

    Frederiksen, Anders; Halliday, Timothy; Koch, Alexander Karl

    It is widely accepted that promotions within firms and mobility across firms lead to significant earnings progression. Existing research generally examined cross-firm mobility separately from hierarchical advancement. Yet, as our descriptive evidence from Danish panel data shows, how the two type...... growth of promotions (either within or across firms) and subsequent mobility at a higher hierarchy level....

  17. 21 CFR 7.46 - Firm-initiated recall.

    Science.gov (United States)

    2010-04-01

    ... 21 Food and Drugs 1 2010-04-01 2010-04-01 false Firm-initiated recall. 7.46 Section 7.46 Food and....46 Firm-initiated recall. (a) A firm may decide of its own volition and under any circumstances to remove or correct a distributed product. A firm that does so because it believes the product to be...

  18. 48 CFR 1852.216-78 - Firm fixed price.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 6 2010-10-01 2010-10-01 true Firm fixed price. 1852.216... 1852.216-78 Firm fixed price. As prescribed in 1816.202-70, insert the following clause: Firm Fixed Price (DEC 1988) The total firm fixed price of this contract is $[Insert the appropriate amount]. (End...

  19. Debt and Taxes: Evidence from bank-financed unlisted firms

    DEFF Research Database (Denmark)

    Bartholdy, Jan; Mateus, Cesário

    This paper analyzes the capital structure decision of non-listed bank-financed firms using a rich and unique new data set of Portuguese firms. These firms are rarely studied in capital structure contexts and differ from large listed firms in terms of agency and asymmetric information problems...

  20. The impact of firm and industry characteristics on small firms' capital structure

    NARCIS (Netherlands)

    Degryse, H.A.; de Goeij, P. C.; Kappert, P.

    2012-01-01

    We study the impact of firm and industry characteristics on small firms’ capital structure, employing a proprietary database containing financial statements of Dutch small and medium-sized enterprises (SMEs) from 2003 to 2005. The firm characteristics suggest that the capital structure decision is

  1. Default Risk and Firm Value of Shipping & Logistics Firms in Korea

    Directory of Open Access Journals (Sweden)

    Hyun Jung Nam

    2017-07-01

    Full Text Available As shipping and logistics industry is one of the core industries in Korea, the volume was ranked in the fifth highest in the world. However, shipping and logistics industry of Korea has suffered from default risk since Global Financial Crisis in 2008. This study examines the relationship between the default risk, as measured by the Altman K-Score, and firm value, as measured by the Return on Assets (ROA, of shipping and logistics firms in Korea and compares the impact of default risk on firm value between good financial health firms and poor financial health firms. As the trends of KScores over a ten-year periods, shipping and logistics firms in Korea register weak-to-moderate financial healthy rage. We find that Altman K-Score is significantly linked with firm value and also higher performing firms as measured by the ROA exhibit higher financial health as measured by KScore. Although nine years have been passed since Global Financial Crisis 2008, Korean shipping and logistics industry is still under the financial depression. This study proposes that systematic financial alert system of Korean shipping and logistics industry should be required to decrease default risk reflecting significance of Korean economy.

  2. Drivers for liquidation and transfer in small firms : Theory of Planned Behavior and firm conditions

    NARCIS (Netherlands)

    H. Leory; Lex van Teeffelen

    2009-01-01

    Recently Leroy et al. (2008) tested if the Theory of Planned Behavior (TPB) predicts exit behavior of entrepreneurs: liquidation or transfer. He added the purchasers view to the TPB: firm viability and intangible assets. We retested Leroy et al. hypotheses on a more refined dataset of 136 firms in

  3. Do international acquisitions by emerging-economy firms create shareholder value? The case of Indian firms

    NARCIS (Netherlands)

    Gubbi, Sathyajit R.; Aulakh, Preet S.; Ray, Sougata; Sarkar, M. B.; Chittoor, Raveendra

    While overseas acquisitions by emerging-economy firms are gaining increased attention from the business press, our understanding of whether and why this inorganic mode of international expansion creates value to acquirer firms is limited. We argue that international acquisitions facilitate

  4. Innovative knowledge sharing, supply chain integration and firm performance of Australian manufacturing firms

    NARCIS (Netherlands)

    Singh, Prakash J.; Power, Damien

    2014-01-01

    A number of reports show that innovation in Australian manufacturing firms is declining. We propose that better knowledge sharing practices can assist these firms to become more innovative. In this paper, we examine this proposition by empirically testing the relationship between knowledge sharing

  5. Gibrat's Law and the Firm Size / Firm Growth Relationship in Italian Services

    NARCIS (Netherlands)

    R. Piergiovanni; E. Santarelli (Enrico); L. Klomp (Luuk); A.R. Thurik (Roy)

    2002-01-01

    textabstractSeveral surveys on intra-industry dynamics have recently reached the conclusion from a large body of evidence that Gibrat's Law does not hold, i.e., the main finding is that firm growth decreases with firm size. However, almost all of these studies have been based on manufacturing. In

  6. The relationship between strategic type and firm capabilities in Chinese firms

    NARCIS (Netherlands)

    Benedetto, Di A.C.; Song, X.M.

    2003-01-01

    Proposes that firms of different Miles and Snow strategic types will have different bundles of firm-level capabilities; that is, certain capabilities will be more important to certain strategic types. Specifically, proposes that prospectors have greater relative inside-out capabilities and

  7. When Intra-Firm and Inter-Firm Collaborations Co-Occur

    DEFF Research Database (Denmark)

    Schleimer, Stephanie Christine; Sculman, Arthur D.

    2011-01-01

    There is evidence that intra-firm collaboration and inter-firm collaboration are important for new service development (NSD) and new product development (NPD) success. However, evidence of the contributions of each to innovative outcomes is inconsistent. This inconsistency is associated with the ...

  8. Corporate Governance Provisions, Family Involvement, and Firm Performance in Publicly Traded Family Firms

    Directory of Open Access Journals (Sweden)

    Esra Memili

    2015-07-01

    Full Text Available This study examines the moderation effects of corporate governance provisions on the link between family involvement (i.e., family ownership and family management in publicly-traded firms and firm performance by drawing upon agency theory, with a focus on principal-principal agency issues, and the extant family governance literature. We develop and test the hypotheses on 386 of the S&P 500 firms longitudinally. Findings support the hypotheses suggesting the moderation effects of the use of provisions (a protecting controlling owners in terms of their sustainability of controlling status, and (b protecting management legally on the inverted U-shaped relationship between family ownership and firm performance. We also found support for the moderation effects of provisions (c protecting controlling owners in terms of their voting rights, (d protecting noncontrolling owners, and (e protecting management monetarily on the inverted U-shaped relationship between family management and firm performance. By this, our study provides empirical support for the principal-principal agency perspective on the corporate governance in publicly-traded family firms. As such, it suggests new avenues of research for both the corporate governance literature, as well as for the theory of the family firm. Our study also offers insights to policy directed toward monitoring the actions of large shareholders such as family and enhancing the overall shareholder value in publicly-traded family firms.

  9. Do Less Regulated Markets Attract Lower Quality Firms?

    DEFF Research Database (Denmark)

    Nielsson, Ulf

    2013-01-01

    The paper examines whether the moderately regulated London AIM market is at a disadvantage in attracting high quality firms. The results show that firms listed on AIM are of the same quality level as firms listed in the US and in Continental Europe, albeit smaller in size. Furthermore, the delist......The paper examines whether the moderately regulated London AIM market is at a disadvantage in attracting high quality firms. The results show that firms listed on AIM are of the same quality level as firms listed in the US and in Continental Europe, albeit smaller in size. Furthermore...... equivalent to firms listing in more regulated markets...

  10. Mecanismos de abertura do sulco e da adubação nitrogenada em arroz de terras altas

    Directory of Open Access Journals (Sweden)

    Vagner do Nascimento

    2013-12-01

    Full Text Available A cultura do arroz adapta-se pouco ao sistema plantio direto (SPD em razão da maior compactação da camada superficial do solo, devido ao intenso tráfego de máquinas e não mobilização do solo. Nesse caso, o mecanismo utilizado na semeadora para a abertura dos sulcos com a finalidade de deposição do adubo pode ter grande importância para facilitar a penetração das raízes e aumentar a porosidade do solo. Diante disso, propôs-se este estudo com o objetivo de avaliar o desenvolvimento e a produtividade do arroz de terras altas em sistema plantio direto, em razão de mecanismos de distribuição do adubo na semeadura e de doses de N em cobertura, em Selvíria, Mato Grosso do Sul. O delineamento experimental utilizado foi em blocos casualizados, utilizando-se um esquema fatorial 2 x 6, constituído por mecanismos de distribuição do adubo (haste escarificadora e disco duplo e de doses de N em cobertura (0, 25, 50, 75, 100 e 125 kg ha-1, com quatro repetições. Concluiu-se que os mecanismos de distribuição do fertilizante não interferiram na produtividade de grãos do arroz de terras altas; o mecanismo do tipo haste escarificadora promoveu maior altura de plantas e maior número de grãos cheios nos dois anos de cultivo; a aplicação de nitrogênio em cobertura interferiu em algumas características agronômicas, produtivas e em componentes de rendimento de engenho; a produtividade do arroz aumentou até a dose de 69 kg ha-1 de N, no primeiro ano de cultivo.

  11. COEXISTENCE OF PRIVATE FIRMS AND OPEN SOURCE FIRMS UNDER SPILLOVERS AND CONSUMER BIAS

    Directory of Open Access Journals (Sweden)

    Murat YILMAZ

    2017-12-01

    Full Text Available Open source technologies have been an important divergence from the private produc- tion, and some markets have accommodated both open source firms and private firms. We explore the conditions under which such a coexistence of both type of firms can be seen. Through a simple and tractable game theoretical model, with spillovers on the open source production and positive consumer bias for the privately produced good, we analyze the conditions for which, in the equilibrium, a private firm and an open source firm share the market. We find that for large enough consumer bias, the two types cannot coexist, however when the consumer bias is relatively low and the spillover effect is not too strong, then we get a coexistence result.

  12. Além de um Diálogo Reservado com as Estrelas: O Processo de Formação e Transformação do Terraço Jardim ao Telhado Verde

    Directory of Open Access Journals (Sweden)

    Mario de Oliveira Saleiro Filho

    2015-11-01

    Full Text Available Um dos paradigmas da nova arquitetura [moderna] voltada para o século XX foi os cinco pontos da arquitetura, propostos pelo arquiteto Le Corbusier na década de 20 (vinte, a saber: planta livre de estrutura; construção sobre pilotis; terraço jardim; fachada livre e janela em fita. Nosso foco está centrado no processo de formação e transformação do terraço jardim, desde sua concepção de caráter formal e funcional, até consolidar-se no âmbito ambiental, no sentido de contemplar um balanço hídrico capaz de contribuir positivamente na drenagem pluvial das grandes cidades. Recorreremos aos saberes de Marc Bloch, quando cita que “para entendermos o presente precisamos estudar o passado”, pois objetivamos sublinhar um breve discurso diacrônico sobre os terraços jardins.

  13. Entry Mode and Performance of Nordic Firms

    DEFF Research Database (Denmark)

    Wulff, Jesper

    2015-01-01

    including the proposed moderating effect, on average, yield higher post-entry performance. This study sheds light on inconsistent results found in previous research investigating the impact of international experience and has practical implications for managerial decision-making.......This study investigates whether the relationship between mode of international market entry and non-location bound international experience is weaker for firms that are large or have a high foreign to total sales ratio, labeled multinational experience. Empirical evidence based on 250 foreign...... market entries made by Norwegian, Danish and Swedish firms suggests that the association between equity mode choice and non-location bound international experience diminishes in the presence of higher levels of multinational experience. Furthermore, firms whose entry mode choice is predicted by the model...

  14. Structure, Employment and Performance in Biotech Firms

    DEFF Research Database (Denmark)

    Valentin, Finn; Dahlgren, Johan Henrich; Lund Jensen, Rasmus

    2006-01-01

    This report studies employment effects associated with the adoption of modern biotechnology in Danish industry. In this context we also examine industry structure, patterns of job creation, key outputs such as patents and the pipeline of projects in clinical trials. To see the development of Danish...... economy to perform in the transition towards knowledge and sciencebased competitiveness. That is so because DDFs to an unusual extent depend on the ability of their framework to perform as an innovation system, by which we refer to advantages growing out of interactions and complementarities between e.......g. universities, firms and venture capital. That makes DDFs a sensitive "seismograph" for the ability of the Danish innovation system to foster new science-based technologies.Key words: Employment, Biotechnology, Firm size distribution, Industry structure,Firm performanceJEL Codes: J21, L11, L22, L25, L65, O57...

  15. Cash flow forecast for South African firms

    Directory of Open Access Journals (Sweden)

    Yun Li

    2015-06-01

    Full Text Available This paper applies models in the extant literature that have been used to forecast operating cash flows to predict the cash flows of South African firms listed on the Johannesburg Stock Exchange. Out-of-sample performance is examined for each model and compared between them. The reported results show that some accrual terms, i.e. depreciation and changes in inventory do not enhance cash flow prediction for the average South African firm in contrast to the reported results of studies in USA and Australia. Inclusion of more explanatory variables does not necessarily improve the models, according to the out-of-sample results. The paper proposes the application of moving average model in panel data, and vector regressive model for multi-period-ahead prediction of cash flows for South Africa firms.

  16. Markups and Firm-Level Export Status

    DEFF Research Database (Denmark)

    De Loecker, Jan; Warzynski, Frederic

    We derive an estimating equation to estimate markups using the insight of Hall (1986) and the control function approach of Olley and Pakes (1996). We rely on our method to explore the relationship between markups and export behavior using plant-level data. We find significantly higher markups when...... we control for unobserved productivity shocks. Furthermore, we find significant higher markups for exporting firms and present new evidence on markup-export status dynamics. More specifically, we find that firms' markups significantly increase (decrease) after entering (exiting) export markets. We...... see these results as a first step in opening up the productivity-export black box, and provide a potential explanation for the big measured productivity premia for firms entering export markets....

  17. Bringing Terra Science to the People: 10 years of education and public outreach

    Science.gov (United States)

    Riebeek, H.; Chambers, L. H.; Yuen, K.; Herring, D.

    2009-12-01

    The default image on Apple's iPhone is a blue, white, green and tan globe: the Blue Marble. The iconic image was produced using Terra data as part of the mission's education and public outreach efforts. As far-reaching and innovative as Terra science has been over the past decade, Terra education and public outreach efforts have been equally successful. This talk will provide an overview of Terra's crosscutting education and public outreach projects, which have reached into educational facilities—classrooms, museums, and science centers, across the Internet, and into everyday life. The Earth Observatory web site was the first web site designed for the public that told the unified story of what we can learn about our planet from all space-based platforms. Initially conceived as part of Terra mission outreach in 1999, the web site has won five Webby awards, the highest recognition a web site can receive. The Visible Earth image gallery is a catalogue of NASA Earth imagery that receives more than one million page views per month. The NEO (NASA Earth Observations) web site and WMS (web mapping service) tool serves global data sets to museums and science centers across the world. Terra educational products, including the My NASA Data web service and the Students' Cloud Observations Online (S'COOL) project, bring Terra data into the classroom. Both projects target multiple grade levels, ranging from elementary school to graduate school. S'COOL uses student observations of clouds to help validate Terra data. Students and their parents have puzzled over weekly "Where on Earth" geography quizzes published on line. Perhaps the most difficult group to reach is the large segment of the public that does not seek out science information online or in a science museum or classroom. To reach these people, EarthSky produced a series of podcasts and radio broadcasts that brought Terra science to more than 30 million people in 2009. Terra imagery, including the Blue Marble, have

  18. Competition Law and the Bounded Rationality of Firms

    OpenAIRE

    Bhattacharya, Shilpi

    2016-01-01

    Firm rationality plays a role in several aspects of competition law. Yet, the conception of the firm as a rational, profit maximizing entity has been disputed in different disciplines. This literature shows that neoclassical economic assumptions on which competition law is based can fall short of explaining the full range of observed firm behaviour. Accordingly, an alternative conception of the firm as boundedly rational can impact the understanding of firm conduct in competition law. Be...

  19. Corporate Governance, Cash Holdings, and Firm Value: Evidence from Japan

    OpenAIRE

    Qi Luo; Toyohiko Hachiya

    2005-01-01

    This paper presents evidence on cash holdings for Japanese firms listed on the Tokyo Stock Exchange, focusing on the impact of corporate governance factors in cash holdings and the implication of cash holdings to firm value. We find that insider ownership and bank relations of firms play a significant role in determining cash holdings. Our results indicate that foreign stockholders select profitable firms to invest, and these firms have higher levels of cash. We document evidence that cash ho...

  20. Firm age, business cycles and aggregate labor market dynamics

    OpenAIRE

    Sedláček, P.

    2011-01-01

    Job creation and destruction rates fall with a firm's age, young businesses have higher exit rates, conditional on survival they grow faster and given their employment shares they create relatively more jobs than older firms. In fact, recent studies show that the well established negative relationship between a firm's size and its growth rate vanishes once its age is taken into account. I extend these findings by showing that, compared to old firms, employment growth in young firms is more vo...

  1. How small firms contrast with large firms regarding perceptions, practices, and needs in the U.S

    Science.gov (United States)

    Urs Buehlmann; Matthew Bumgardner; Michael. Sperber

    2013-01-01

    As many larger secondary woodworking firms have moved production offshore and been adversely impacted by the recent housing downturn, smaller firms have become important to driving U.S. hardwood demand. This study compared and contrasted small and large firms on a number of factors to help determine the unique characteristics of small firms and to provide insights into...

  2. Water Reuse in Brazilian Manufacturing Firms

    OpenAIRE

    José Féres; Arnaud Reynaud; Alban Thomas

    2015-01-01

    This paper examines the factors influencing water reuse in manufacturing firms and analyzes whether the structure of intake water demand differs between firms that adopt water reuse practices and those which do not. To this purpose, we estimate a two-stage econometric model based on a sample of 447 industrial facilities located in the Paraíba do Sul river basin. The first stage applies a probit model for the water reuse decision and the second stage employs an endogenous switching regression ...

  3. Industry diversity, competition and firm relatedness

    DEFF Research Database (Denmark)

    Wang, Cong; Madsen, Jakob B.; Steiner, Bodo

    2017-01-01

    This study investigates the extent to which indicators of external scale economies impacted employment growth in Canada over the period 2004-2011. We focus on knowledge spillovers between firms while accounting for Marshallian specialization, Jacobs’ diversity, and competition by industry, as well...... as related and unrelated firm varieties in terms of employment and sales. We find that the employment growth effects of local competition and diversity are positive, while the effect of Marshallian specialization is negative. Diversification is found to be particularly important for employment growth during...

  4. Beefing up operations in service firms.

    Science.gov (United States)

    Chase, R B; Hayes, R H

    1991-01-01

    Many articles exhort service firm managers to empower workers and first-line supervisors, exploit technology, focus on the customer, and, above all, provide outstanding service. This article proposes a framework to help you evaluate your company's competitive standing in each of these areas. It discusses four types of companies on a continuum, from the company that is simply "available for service" to the firm that delivers world class service. The authors focus on operations, the function that controls the service encounter, and apply the manufacturing strategy paradigm to services as a means of implementing change.

  5. Dynamic Embeddedness in Chinese Firm Internationalization

    DEFF Research Database (Denmark)

    Lattemann, Christoph; Alon, Ilan; Spigarelli, Francesca

    2017-01-01

    the resource-based view (firm-specific advantages), institutional-based view (push/pull home and host country factors), and network-based view (network relations). We also explicitly incorporate ”time” as a variable into our framework by introducing and explaining the concept of “dynamic embeddedness......This paper presents a multi-level framework to analyze the motivations and location choices of Chinese OFDIs. We contribute to theory-integration on Chinese OFDI flows and patterns by suggesting a framework that combines country-, industry- and firm-level analyses and by reflecting aspects from...

  6. Theoretical Perspectives on the Internationalization of Firms

    DEFF Research Database (Denmark)

    Rask, Morten; Håkonsson, Dorthe Døjbak; Strandskov, Jesper

    2008-01-01

    The purpose of this article is to build a coherent framework of the four main theories relating to the internationalization of firms, in order to facilitate better business teaching and research. Yet, theories of the internationalization of firms are broad and rest on different underlying...... assumptions. With the purpose of clarifying the potential for integration of partial theories and fragments in a more logically connected theoretical area, this article offers a meta-theoretical overview of four perspectives within international business economics: Research and its related background, basic...

  7. Cash flow forecast for South African firms

    OpenAIRE

    Li, Yun; Moutinho, Luiz; Opong, Kwaku K.; Pang, Yang

    2015-01-01

    This paper applies models in the extant literature that have been used to forecast operating cash flows to predict the cash flows of South African firms listed on the Johannesburg Stock Exchange. Out-of-sample performance is examined for each model and compared between them. The reported results show that some accrual terms, i.e. depreciation and changes in inventory do not enhance cash flow prediction for the average South African firm in contrast to the reported results of studies in USA an...

  8. Does firm performance affect board independence?

    Directory of Open Access Journals (Sweden)

    Yi Wang

    2010-07-01

    Full Text Available This paper seeks to shed some light on the antecedents of board independence. Specifically, it attempts to test the conceptual frameworks which make different predictions about the effect of firm performance on the level of board independence. The results provide support for the perspective that appointing more independent members to the boards may merely represent firms’ attempts to comply with institutional pressures. It is found that higher blockholder shareholdings lead to lower independence on the board, and audit and remuneration committees. Moreover, larger firms have relatively more independent directors sitting on nomination and remuneration committees.

  9. Firm size diversity, functional richness, and resilience

    Science.gov (United States)

    Garmestani, A.S.; Allen, Craig R.; Mittelstaedt, J.D.; Stow, C.A.; Ward, W.A.

    2006-01-01

    This paper applies recent advances in ecology to our understanding of firm development, sustainability, and economic development. The ecological literature indicates that the greater the functional richness of species in a system, the greater its resilience - that is, its ability to persist in the face of substantial changes in the environment. This paper focuses on the effects of functional richness across firm size on the ability of industries to survive in the face of economic change. Our results indicate that industries with a richness of industrial functions are more resilient to employment volatility. ?? 2006 Cambridge University Press.

  10. Civil engineering firms and the nuclear programme

    International Nuclear Information System (INIS)

    Giral, J.L.

    1988-01-01

    Pointing out that the realization of the electronuclear programme accounted for just under 5 % of the annual turnover of civil engineering firms from 1975 to 1987, the author lists the main types of work entrusted to these firms for the bulding of the power stations: electrical work, structural work (civil engineering, metal structures. He then describes the two main problems which the profession has to face in the nuclear field: the management of final contract stages and adaptation to the slowing down in the rate of commitment of power plants [fr

  11. Ontology-Based Model Of Firm Competitiveness

    Science.gov (United States)

    Deliyska, Boryana; Stoenchev, Nikolay

    2010-10-01

    Competitiveness is important characteristics of each business organization (firm, company, corporation etc). It is of great significance for the organization existence and defines evaluation criteria of business success at microeconomical level. Each criterium comprises set of indicators with specific weight coefficients. In the work an ontology-based model of firm competitiveness is presented as a set of several mutually connected ontologies. It would be useful for knowledge structuring, standardization and sharing among experts and software engineers who develop application in the domain. Then the assessment of the competitiveness of various business organizations could be generated more effectively.

  12. Assessment of DNA damage and repair in Mycobacterium terrae after exposure to UV irradiation.

    Science.gov (United States)

    Bohrerova, Z; Linden, K G

    2006-11-01

    Ultraviolet (UV) irradiation for drinking water treatment was examined for inactivation and subsequent dark and photo-repair of Mycobacterium terrae. UV sources tested were low pressure (monochromatic, 254 nm) and medium pressure (polychromatic UV output) Hg lamps. UV exposure resulted in inactivation, and was followed by dark or photo-repair experiments. Inactivation and repair were quantified utilizing a molecular-based endonuclease sensitive site (ESS) assay and conventional colony forming unit (CFU) viability assay. Mycobacterium terrae was more resistant to UV disinfection compared to many other bacteria, with approximately 2-log reduction at a UV fluence of 10 mJ cm(-2) ; similar to UV inactivation of M. tuberculosis. There was no difference in inactivation between monochromatic or polychromatic UV lamps. Mycobacterium terrae did not undergo detectable dark repair. Photo-repair resulted in recovery from inactivation by approximately 0.5-log in less than 30 min for both UV lamp systems. Mycobacterium terrae is able to photo-repair DNA damage within a short timeframe. The number of pyrimidine dimers induced by UV light were similar for Escherichia coli and M. terrae, however, this similarity did not hold true for viability results. There is no practical difference between UV sources for disinfection or prevention of DNA repair for M. terrae. The capability of M. terrae to photo-repair UV damage fairly quickly is important for wastewater treatment applications where disinfected effluent is exposed to sunlight. Finally, molecular based assay results should be evaluated with respect to differences in the nucleic acid content of the test micro-organism.

  13. MOPITT Mechanisms 16 Years In-Orbit Operation on TERRA

    Science.gov (United States)

    Gibson, Andrew S.; Nichitiu, Florian; Caldwell, Dwight

    2016-01-01

    The 16th anniversary of the launch of NASA's Terra Spacecraft was marked on December 18, 2015, with the Measurements of Pollution in the Troposphere (MOPITT) instrument being a successful contributor to the NASA EOS flagship. MOPITT has been enabled by a large suite of mechanisms, allowing the instrument to perform long-duration monitoring of atmospheric carbon monoxide, providing global measurements of this important greenhouse gas for 16 years. Mechanisms have been successfully employed for scanning, cooling of detectors, and to optically modulate the gas path length within the instrument by means of pressure and gas cell length variation. The instrument utilizes these devices to perform correlation spectroscopy, enabling measurements with vertical resolution from the nadir view, and has thereby furthered understanding of source and global transport effects of carbon monoxide. Given the design requirement for a 5.25-year lifetime, the stability and performance of the majority of mechanisms have far surpassed design goals. With 16 continuously operating mechanisms in service on MOPITT, including 12 rotating mechanisms and 4 with linear drive elements, the instrument was an ambitious undertaking. The long life requirements combined with demands for cleanliness and optical stability made for difficult design choices including that of the selection of new lubrication processes. Observations and lessons learned with regards to many aspects of the mechanisms and associated monitoring devices are discussed here. Mechanism behaviors are described, including anomalies, long-term drive current/power, fill pressure, vibration and cold-tip temperature trends. The effectiveness of particular lubrication formulations and the screening method implemented is discussed in relation to continuous rotating mechanisms and stepper motors, which have exceeded 15 billon rotations and 2.5 billion steps respectively. Aspects of gas cell hermeticity, optical cleanliness, heater problems

  14. Firm-specific factors and financial performance of firms in the Czech Republic

    Directory of Open Access Journals (Sweden)

    Pathirawasam Chandrapala

    2013-01-01

    Full Text Available The objective of this study is to investigate the role of internal factors in generating financial performance of firms in the Czech Republic. The paper examines the impact of firm specific factors on company financial performance of 974 firms in the Czech Republic over the period 2005 to 2008, using data in the Albertina database. Pooled and panel cross-sectional time series techniques are used for the data analysis. Return on Assets (ROA is the dependent variable of the model and eight firm specific factors are introduced as the explanatory variables. Using Return on Assets as the dependent variable, it is established that the firm size, sales growth and capital turnover are having significant positive impact on financial performance of firms. At the same time, debt ratio and inventory reflect significant negative impact on financial performance of firms. Overall explanatory powers of the two models are low and further research is necessary to increase the statistical power of the model. The results from the present study may be very encouraging and useful for managers as well as investors to plan investment and operational activities to achieve profitability objectives more efficiently and effectively. The findings have important managerial implications.

  15. Monopolistic Competition, International Trade and Firm Heterogeneity

    DEFF Research Database (Denmark)

    Nielsen, Jørgen Ulff-Møller; Hansen, Jørgen Drud; Kvedaras, Virmantas

    This paper presents a dynamic international trade model based on monopolistic competition, where observed intra-industry differences at a given point in time reflect different stages of the firm's life cycle. New product varieties of still higher quality enter the market every period rendering old...

  16. Human capital and wages in exporting firms

    DEFF Research Database (Denmark)

    Munch, Jakob Roland; Skaksen, Jan Rose

    2008-01-01

    This paper studies the link between the education level of workers, export performance and wages. We argue that firms may escape intense competition in international markets by using high skilled workers to differentiate their products. This story is consistent with our empirical results. Using...

  17. Gendering dynamic capabilities in micro firms

    Directory of Open Access Journals (Sweden)

    Yevgen Bogodistov

    2017-05-01

    Full Text Available Gender issues are well-researched in the general management literature, particular in studies on new ventures. Unfortunately, gender issues have been largely ignored in the dynamic capabilities litera­ture. We address this gap by analyzing the effects of gender diversity on dynamic capabilities among micro firms. We consider the gender of managers and personnel in 124 Ukrainian tourism micro firms. We examine how a manager’s gender affects the firm’s sensing capacities and investigate how it moderates team gender diversity’s impact on sensing capacities. We also investigate how person­nel composition impacts seizing and reconfiguration capacities. We find that female managers have several shortcomings concerning a firm’s sensing capacity but that personnel gender diversity increa­ses this capacity. Team gender diversity has positive effects on a firm’s seizing and reconfiguration abilities. Our study advances research on gender diversity and its impact on firm capabilities and illustrates its relevance for staffing practices in micro firms.

  18. From Global Firms to Global Boards?

    DEFF Research Database (Denmark)

    Thomsen, Steen; Gregoric, Aleksandra; Randøy, Trond

    2011-01-01

    . This indicates some support for the view that different kinds of firm internationalization – commercial versus financial - might lead to different types of board internationalization. We find no evidence that the internationalization of boards is limited by the conservatism of existing national board members...

  19. The Firm as an Internal Capital Market

    DEFF Research Database (Denmark)

    Duus, Henrik Johannsen

    1996-01-01

    A review of current strategy literature shows that the portfolio view seems to have become unfashionable. This article argues in favor of a revitalization of the portfolio view, and attempts to show that with a few changes, it can be used together with the modern theories of the firm and its...

  20. Capital Structure Influence on Construction Firm Performance

    Directory of Open Access Journals (Sweden)

    Jayiddin Nur Faezah

    2017-01-01

    Full Text Available The interconnectedness between capital structure and firm performance is a topic of high interest among scholars and management alike. The scholars tend to unveil the why segment of the relationship, while the management looks into the how side to promote capital structure policy which can optimise the firm performance. While many studies have looked into this relationship across multiple industries and spanning across decades of data, the current study trains its lens on Malaysian public listed company companies which operate in the construction sector, and with data window between 2010 to 2014. This specific sector was chosen for their high gearing which renders firms to relatively high insolvency exposure emanating from interest rate fluctuations. The five-year timeframe was selected to isolate potential data contaminations streaming from global financial crisis which winds down in 2009. Financial data of the company were extracted from Bloomberg Terminal based on a pre-prepared list of Bloomberg tickers. A total of 225 observations were recorded in this study. Using Tobin’s Q as a proxy for firm performance, this study finds a mixed result where short term debts ratio indicates a significant negative effect, while long term debt ratio presents a non-significant influence. Explanations on this output are therefore discussed in this paper.