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Sample records for mexican gr bid

  1. Bid specifications and bid evaluations

    International Nuclear Information System (INIS)

    Zijl, N.A. van

    1977-01-01

    Bid specifications are in view of the size of these projects important and comprehensive documents. The basic content and set up of the specifications are discussed such as: 1) Bid invitation letter, 2) instruction to bidders, 3) draft contract (terms and conditions), 4) technical specifications, 5) side data and information. - The evaluations of bids for nuclear power stations is due to the complexity of such bids a difficult undertaking. Evaluation methods and approaches which can be applied for such bid evaluations are discussed as well as the preparations which are required for carrying out such evaluations. (orig.) [de

  2. 23 CFR 635.113 - Bid opening and bid tabulations.

    Science.gov (United States)

    2010-04-01

    ... CONSTRUCTION AND MAINTENANCE Contract Procedures § 635.113 Bid opening and bid tabulations. (a) All bids... contractors, during the period following the opening of bids and before the award of the contract shall not be...

  3. Análisis del impacto en fumadores mexicanos de los avisos gráficos en las cajetillas de cigarros Analysis of the impact of cigarette pack graphic warnings on Mexican smokers

    Directory of Open Access Journals (Sweden)

    James Francis Thrasher

    2006-01-01

    Full Text Available OBJETIVO: Determinar el impacto de los avisos gráficos (imágenes en las etiquetas que indican el daño a la salud que causa el tabaco en las cajetillas de cigarros entre fumadores adultos mexicanos. MATERIAL Y MÉTODOS: Se aplicó el método antropológico de sorteo de montones a 60 fumadores adultos para determinar cuáles los hacían pensar en dejar de fumar. Se sacaron promedios y se utilizaron métodos estadísticos no paramétricos. RESULTADOS: Los avisos gráficos más impactantes mostraban las siguientes imágenes: un tumor de bronquio fuente visto a través del broncoscopio; un hombre con cáncer de laringe con una gran masa tumoral externa en el cuello; un hombre joven inconsciente en una cama de la unidad de cuidados intensivos, con texto mencionando benceno, formaldehído y cianuro de hidrógeno como componentes del tabaco, y una de dos niños sanos que indica que el cigarro contiene amoníaco, monóxido de carbono; un feto muerto en un frasco con formol; y una boca con dientes amarillos y con texto que menciona la pérdida de dientes y cáncer bucal como resultados del tabaco. CONCLUSIONES: Los avisos gráficos que se utilizan en las cajetillas de cigarros en otros países podrían contribuir a la cesación entre fumadores mexicanos y deben implementarse en México.OBJECTIVE: To determine which graphic warnings on cigarette packs (images on the labels indicating the negative impact on health that tobacco can have provoke the strongest desire to quit smoking among adult Mexican smokers. MATERIAL AND METHODS: A pile sort method was used among 60 smokers over 18 years old to determine which images made them think about quitting smoking. Averages were determined and non-parametric statistical methods were used to determine differences in ranks. RESULTS: Within each of the five themes, one or two graphic warnings provoked the strongest responses in smokers. The graphic warnings with the greatest impact used the following images: a close

  4. Economic bid evaluation

    International Nuclear Information System (INIS)

    Bode, T.

    1975-01-01

    When it is intended to install a new nuclear power station, the usual procedure is to invite for tenders. In due course, bids will be received from various manufacturers, out of which the most favourable one is then to be selected. Appraisal is concluded in the Economic Bid Evaluation, the purpose of which is to define the economically most favourable bid by comparing overall costs and benefits of the various alternatives. Thus, Economic Bid Evaluation is a most important instrument for deciding on award of contract. (orig.) [de

  5. The BID`s of New York

    DEFF Research Database (Denmark)

    Jensen, Ole B.

    , the aim is to present a theoretical and analytical framework for understanding such ? urban mini territories? both in relation to urban power an politics, and in relation to the spatial layout of such forms of urban intervention. In section two the paper shortly describe the phenomenon of New York BIDs....... In the third part of the paper empirical field data from selected New York BIDs are presented. Finally the paper ends with a section in which concluding remarks will be accompanied by reflections on the comparative similarities and differences to European cities....

  6. How does the revelation of previous bid affect new bid?

    OpenAIRE

    Li, Yingzi; Gallardo, R. Karina; McCracken, Vicki A.; Yue, Chengyan; Luby, James; McFerson, James R.

    2014-01-01

    This study investigates the effect of the revelation of posted bids in second-price experimental auctions for apple quality attributes under the experimental design where information is added progressively across rounds. We find that the revelation of posted bids does not bias the following bids and that increased information about the apple increases the accuracy of participants’ following bids. Therefore, the final round bids are used to evaluate consumers’ willingness to pay for the apple ...

  7. DMEPOS Competitive Bidding

    Data.gov (United States)

    U.S. Department of Health & Human Services — The DMEPOS Competitive Bidding Program was mandated by Congress through the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA). The statute...

  8. Who wins olympic bids?

    OpenAIRE

    Maennig, Wolfgang; Vierhaus, Christopher

    2014-01-01

    The prospect of hosting the Olympic Games is attractive to many cities around the world. This article examines 147 variables’ potential to discriminate successful from unsuccessful Olympic bids. Our stepwise, rank-ordered logistic regression model includes 10 determinants supporting the contention that economic, political and sports/Olympic factors are important for winning the host city election. IOC members favor cities if more than 2/3 of the population support the bid, but disfavor biddin...

  9. Bid Responsiveness and the Acceptable Nonconforming Bid.

    Science.gov (United States)

    1979-09-30

    the. fuidaIenta prin ciples of responsiveness. The Conhl trot ler, hnwever, has ta ken this sairn "reasonable- tit’, ’ t. ,t ’’ , T (I I e l iLd i I...cvo rcome otherwise material deviation i f; the bid, thereby renderin gj it a(,ceptable. Tne Comptroller General’s o) p loach to the , i..sue ft

  10. Technical bid evaluation

    International Nuclear Information System (INIS)

    Bruchhausen, E. v.

    1975-01-01

    It is shown which kind of problems arise for the owners of the project and what is the recommendable method of approach. A detailed description of the necessary working team, information in delegation of work and tasks of procedure, criteria of valuation and classification method. Examples of schemes are shown which are the basis of the technical bid evaluation: tables 'data of system/component' and 'scope of supply'. The procedure of normalization of the bids and of specifying the owners supplies are explained. The content of the final report is described. (HP) [de

  11. Essays on bid rigging

    NARCIS (Netherlands)

    Seres, Gyula

    2016-01-01

    Manipulating prices in auctions raises antitrust concerns. Collusion lowers the revenue of the auctioneer and creates information rents. Bid rigging is a prevalent phenomenon and the affected market is enormous. Public procurement amounts to between 10 and 25 percent of national GDP in

  12. Optimal GENCO bidding strategy

    Science.gov (United States)

    Gao, Feng

    Electricity industries worldwide are undergoing a period of profound upheaval. The conventional vertically integrated mechanism is being replaced by a competitive market environment. Generation companies have incentives to apply novel technologies to lower production costs, for example: Combined Cycle units. Economic dispatch with Combined Cycle units becomes a non-convex optimization problem, which is difficult if not impossible to solve by conventional methods. Several techniques are proposed here: Mixed Integer Linear Programming, a hybrid method, as well as Evolutionary Algorithms. Evolutionary Algorithms share a common mechanism, stochastic searching per generation. The stochastic property makes evolutionary algorithms robust and adaptive enough to solve a non-convex optimization problem. This research implements GA, EP, and PS algorithms for economic dispatch with Combined Cycle units, and makes a comparison with classical Mixed Integer Linear Programming. The electricity market equilibrium model not only helps Independent System Operator/Regulator analyze market performance and market power, but also provides Market Participants the ability to build optimal bidding strategies based on Microeconomics analysis. Supply Function Equilibrium (SFE) is attractive compared to traditional models. This research identifies a proper SFE model, which can be applied to a multiple period situation. The equilibrium condition using discrete time optimal control is then developed for fuel resource constraints. Finally, the research discusses the issues of multiple equilibria and mixed strategies, which are caused by the transmission network. Additionally, an advantage of the proposed model for merchant transmission planning is discussed. A market simulator is a valuable training and evaluation tool to assist sellers, buyers, and regulators to understand market performance and make better decisions. A traditional optimization model may not be enough to consider the distributed

  13. Bidding strategy in pay-as-bid power markets

    International Nuclear Information System (INIS)

    Oloomi-Buygi, M.; Nazarian, H.

    2007-01-01

    Electricity markets around the world can be classified as pool-based electricity markets; pure bilateral contract markets; and hybrid markets. The bidding strategy has emerged as an important issue for producers in pool-based electricity markets. Power producers can use several approaches to develop bidding strategies that determine the optimal bid to maximize profit. The various approaches fall into 2 categories, notably forecasting market clearing prices, and estimating the behaviour of other competitors. This paper presented a simple and efficient approach for developing a bidding strategy in pay-as-bid electricity markets. It used the multiple step bid to estimate the optimal bid. One step was allocated to revenue earning while the other steps were allocated to information acquiring. Information acquiring steps obtain information from the market for estimating the optimal bid of the next day. The proposed method was used at a specified power generating unit operating in the Iranian electricity market. The study showed that the proposed bidding strategy can increase the total revenue of the unit by thirty nine per cent. 22 refs., 8 figs

  14. Espanol mexicano y espanol chicano: Problemas y propuestas fundamentales (Mexican Spanish and Chicano Spanish: Fundamental Problems and Proposals).

    Science.gov (United States)

    Hidalgo, Margarita

    1987-01-01

    Discusses the rise of Mexican Spanish as a distinct variety of Spanish and describes the regional and social dialects of contemporary Mexican Spanish. Although countless similarities exist between Mexican Spanish and the Chicano Spanish spoken in the southwestern United States, Mexican Spanish shows greater variability. (GR)

  15. Contract Bidding for Rehabilitation Facilities.

    Science.gov (United States)

    Gilbertson, Alan D.

    This book for sheltered workshop administrators outlines and explains the essential elements of an accurate work bid. Part 1 discusses issues that need to be resolved prior to calculating costs for a potential job. Part 2 describes the factors necessary for determining accurate bids, including direct costs (job setup, direct labor, direct…

  16. Bid invitations for nuclear power stations

    International Nuclear Information System (INIS)

    Zijl, N.A. van.

    1975-01-01

    Types of bid invitations, basic requirements on bid invitation documents, basic content of a turnkey bid invitation (bid invitation letter, instructions to the bidders, terms and conditions of the draft contract, technical specifications, site data and information), nuclear fuel procurement, differences turnkey - non-turnkey, legal, commerical, and technical matters concerning the contract document. (HP) [de

  17. 24 CFR 291.304 - Bidding process.

    Science.gov (United States)

    2010-04-01

    ... 24 Housing and Urban Development 2 2010-04-01 2010-04-01 false Bidding process. 291.304 Section 291.304 Housing and Urban Development Regulations Relating to Housing and Urban Development (Continued... Family Mortgage Loans § 291.304 Bidding process. (a) Submission of bids. All bids must be submitted to...

  18. The Netherlands Bid Bood (GBIF)

    NARCIS (Netherlands)

    Los, W.

    2001-01-01

    GBIF=Global Biodiversity Information Facility. The Bid Book was prepared for the Ministry of Education, Culture and Sciences, the Netherlands by a working group, co-ordinated by the University of Amsterdam.

  19. Grænsekrydsende ledelse

    DEFF Research Database (Denmark)

    Elmholdt, Claus Westergård; Ingerslev, Karen

    2013-01-01

    interessere sig for, hvordan de tænker, taler og handler på grænser. Ledere er, qua deres organisatoriske position, i særlig grad ansvarlige for at etablere grænsepraktikker, hvor grænser bliver til ’broer’ og ikke ’barrierer’ for samarbejde og innovation. Lykkes det ikke at gøre grænser til udviklingsforkant...

  20. Grøstl Addendum

    DEFF Research Database (Denmark)

    Gauravaram, Praveen; Knudsen, Lars R.; Matusiewicz, Krystian

    2009-01-01

    This document is an addendum to the submission document of Grøstl, which was selected for the second round of NIST’s SHA-3 competition [18]. We stress that we do not change the specification of Grøstl. In other words, Grøstl is defined exactly as specified in the original submission document [8]....

  1. tBid and cardiolipin

    DEFF Research Database (Denmark)

    Klösgen, Beate; Perry, Mark; Rostovtseva, Tanya

    2007-01-01

    The abundant presence of cardiolipin (CL) in mitochondria membranes has given rise to the suspicion that this lipid play be an essential role in triggering cell apoptosis, possibly by mechanically destabilizing the host membrane and thus enhancing the effect of the tBid apoptosis protein. Therefore...... and absence of CL. We interpret this as a formation of patches of protein-lipid clusters that in effect reduce the amount of expandable fluid membrane area. The rupture tension falls significantly as soon as tBid is present on the outer vesicle membrane....

  2. Emerging behavior in electronic bidding

    Science.gov (United States)

    Yang, I.; Jeong, H.; Kahng, B.; Barabási, A.-L.

    2003-07-01

    We characterize the statistical properties of a large number of agents on two major online auction sites. The measurements indicate that the total number of bids placed in a single category and the number of distinct auctions frequented by a given agent follow power-law distributions, implying that a few agents are responsible for a significant fraction of the total bidding activity on the online market. We find that these agents exert an unproportional influence on the final price of the auctioned items. This domination of online auctions by an unusually active minority may be a generic feature of all online mercantile processes.

  3. Takeover bids and insider trading

    NARCIS (Netherlands)

    Nelemans, Matthijs; Bainbridge, Stephen M.

    2014-01-01

    This paper analyses the law and economics of insider trading in the context of takeover bids, focusing on the European regulatory framework. We distinguish between trading by the bidder, by the target and by classical insiders and first address the issue of precisely when information about potential

  4. 36 CFR 223.51 - Bid monitoring.

    Science.gov (United States)

    2010-07-01

    ... 36 Parks, Forests, and Public Property 2 2010-07-01 2010-07-01 false Bid monitoring. 223.51 Section 223.51 Parks, Forests, and Public Property FOREST SERVICE, DEPARTMENT OF AGRICULTURE SALE AND... Bid monitoring. Each Regional Forester shall monitor bidding patterns on timber sales to determine if...

  5. 42 CFR 414.910 - Bidding process.

    Science.gov (United States)

    2010-10-01

    ... 42 Public Health 3 2010-10-01 2010-10-01 false Bidding process. 414.910 Section 414.910 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED... Under Part B § 414.910 Bidding process. (a) Entities may bid to furnish CAP drugs in all competitive...

  6. 36 CFR 223.231 - Bidding methods.

    Science.gov (United States)

    2010-07-01

    ... 36 Parks, Forests, and Public Property 2 2010-07-01 2010-07-01 false Bidding methods. 223.231... methods. The Contracting Officer or designated forest officer shall offer advertised sales of special forest products through sealed bid or sealed bid followed by oral auction. The method selected shall: (a...

  7. 30 CFR 256.44 - Bids disqualified.

    Science.gov (United States)

    2010-07-01

    ... by law, regulation, lease or stipulation to lease shall not disqualify an otherwise qualified bid; or... 30 Mineral Resources 2 2010-07-01 2010-07-01 false Bids disqualified. 256.44 Section 256.44... OIL AND GAS IN THE OUTER CONTINENTAL SHELF Issuance of Leases § 256.44 Bids disqualified. The...

  8. 10 CFR 452.5 - Bidding procedures.

    Science.gov (United States)

    2010-01-01

    ... for the reverse auction. (e) Bid evaluation and incentive awards selection procedures include the... bids, preference will be given to the lowest tied bidder based on DOE's evaluation of the extent to... feedstock suppliers. (4) In the event more than one lowest tied bid equally meets the standards in paragraph...

  9. Mexican Revolution

    OpenAIRE

    Scheuzger, Stephan

    2016-01-01

    It was the complex and far-reaching transformation of the Mexican Revolution rather than the First World War that left its mark on Mexican history in the second decade of the 20th century. Nevertheless, although the country maintained its neutrality in the international conflict, it was a hidden theatre of war. Between 1914 and 1918, state actors in Germany, Great Britain and the United States defined their policies towards Mexico and its nationalist revolution with a view not only to improve...

  10. The impacts of different bidding segment numbers on bidding strategies of generation companies

    International Nuclear Information System (INIS)

    Wang, L.; Yu, C.W.; Wen, F.S.

    2008-01-01

    In a competitive electricity market, generation companies design bidding strategies to maximize their individual profits subject to the constraints imposed by bidding rules. For a generation company, obviously, the optimal bidding strategy and hence the potential of exercising market power may be different if different bidding rules are employed. Hence, a well-designed bidding protocol is vital to the effective and efficient operation of an electricity market. Based on the widely used stepwise bidding rules, the impacts of different numbers of bidding segments on the bidding strategies of generation companies are investigated. This study is focused on a price-taker generation company in an electricity market. A probabilisic model is used to simulate electricity price in the competitive market environment. With a given number of bidding segments, the optimal bidding strategy for a price-taker generation company is then developed. The effects of risk preferences as well as information asymmetry on the optimal bidding strategy are also examined. With particular references to the impacts of different numbers of bidding segments on the optimal bidding strategy, a numerical example is employed to demonstrate the validity of the proposed model and methodology. (author)

  11. COMPETITIVE BIDDING IN MEDICARE ADVANTAGE: EFFECT OF BENCHMARK CHANGES ON PLAN BIDS

    Science.gov (United States)

    Song, Zirui; Landrum, Mary Beth; Chernew, Michael E.

    2013-01-01

    Bidding has been proposed to replace or complement the administered prices in Medicare pays to hospitals and health plans. In 2006, the Medicare Advantage program implemented a competitive bidding system to determine plan payments. In perfectly competitive models, plans bid their costs and thus bids are insensitive to the benchmark. Under many other models of competition, bids respond to changes in the benchmark. We conceptualize the bidding system and use an instrumental variable approach to study the effect of benchmark changes on bids. We use 2006–2010 plan payment data from the Centers for Medicare and Medicaid Services, published county benchmarks, actual realized fee-for-service costs, and Medicare Advantage enrollment. We find that a $1 increase in the benchmark leads to about a $0.53 increase in bids, suggesting that plans in the Medicare Advantage market have meaningful market power. PMID:24308881

  12. Competitive bidding in Medicare Advantage: effect of benchmark changes on plan bids.

    Science.gov (United States)

    Song, Zirui; Landrum, Mary Beth; Chernew, Michael E

    2013-12-01

    Bidding has been proposed to replace or complement the administered prices that Medicare pays to hospitals and health plans. In 2006, the Medicare Advantage program implemented a competitive bidding system to determine plan payments. In perfectly competitive models, plans bid their costs and thus bids are insensitive to the benchmark. Under many other models of competition, bids respond to changes in the benchmark. We conceptualize the bidding system and use an instrumental variable approach to study the effect of benchmark changes on bids. We use 2006-2010 plan payment data from the Centers for Medicare and Medicaid Services, published county benchmarks, actual realized fee-for-service costs, and Medicare Advantage enrollment. We find that a $1 increase in the benchmark leads to about a $0.53 increase in bids, suggesting that plans in the Medicare Advantage market have meaningful market power. Copyright © 2013 Elsevier B.V. All rights reserved.

  13. 48 CFR 14.202-8 - Electronic bids.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 1 2010-10-01 2010-10-01 false Electronic bids. 14.202-8... AND CONTRACT TYPES SEALED BIDDING Solicitation of Bids 14.202-8 Electronic bids. In accordance with subpart 4.5, contracting officers may authorize use of electronic commerce for submission of bids. If...

  14. Particle swarm optimization based optimal bidding strategy in an ...

    African Journals Online (AJOL)

    In an electricity market generating companies and large consumers need suitable bidding models to maximize their profits. Therefore, each supplier and large consumer will bid strategically for choosing the bidding coefficients to counter the competitors bidding strategy. In this paper, bidding strategy problem modeled as an ...

  15. 48 CFR 14.202-1 - Bidding time.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 1 2010-10-01 2010-10-01 false Bidding time. 14.202-1... AND CONTRACT TYPES SEALED BIDDING Solicitation of Bids 14.202-1 Bidding time. (a) Policy. A reasonable time for prospective bidders to prepare and submit bids shall be allowed in all invitations, consistent...

  16. Terror in the Board Room: The Bid-Opening Process

    Science.gov (United States)

    Shoop, James

    2009-01-01

    Competitive bids and the bid-opening process are the cornerstones of public school purchasing. The bid-opening process does not begin on the day of the bid opening. It begins with good planning by the purchasing agent to ensure that the advertised bid complies with the public school contracts law. In New Jersey, that raises the following…

  17. Grúas-torre

    Directory of Open Access Journals (Sweden)

    Chinchilla, M.

    1964-09-01

    Full Text Available The current large volume of construction, and the new building methods, including large scale préfabrication, have made it necessary to develop adequate machinery to cope with the new requirements. These include the quick distribution of materials and the lifting of large and heavy items. One of these machines which has now attained a widespread use is the tower crane, both of the fixed and moveable type, either on tyres, rails, or of the climbing type. Although these cranes have been known for the last fifty years, their full development only began after the last World War. Their most usual features and varieties make it possible to classify these cranes in a table, which includes most of the models now in standard use.Los nuevos volúmenes de edificación, y los nuevos sistemas, como la prefabricación, han exigido el desarrollo de la maquinaria auxiliar correspondiente, con el fin de poder cubrir las necesidades de alimentación de la obra, reparto de materiales y elevación de cargas y piezas voluminosas. Entre las máquinas auxiliares que h a n obtenido una verdadera mayoría, de edad se encuentran las grúas-torre, fijas, móviles sobre neumáticos o carriles y trepadoras, las cuales, pese a ser conocidas y empleadas desde los años 10, han encontrado su verdadero campo de aplicación después de la segunda guerra mundial. Sus características más comunes respecto a elementos que constituyen la mayor parte de los modelos, permiten agruparlas en una tabla en la que quedan incluidas casi todas las de uso normal.

  18. Impact of Contractors’ Bidding Strategies on Bid Success in the Nigeria Construction Industry

    Directory of Open Access Journals (Sweden)

    Tolulope Samuel Fawale

    2017-01-01

    Full Text Available Several types of researches have been carried out prior to the new millennium on the subject of bidding strategies in the construction industry. Today, organizations are faced with a very complex decision of bid/no-bid because it requires the assessment of large number of highly inter-related variables. The study aims at examining different types of Contractors’ Bidding Strategies (CBS with a view to determining their impact on bid success. In line with the aim, the study objectives include; evaluation of different types of CBS and; assessment of the success rate of contractors’ bid. The method of approach elicits information on the number of projects bided and successes recorded over a period of time. A total of one hundred and seventy-one useable responses were retrieved from questionnaire administration. Descriptive statistics, tables and percentages as well as mean item score (MIS were used for data analysis. The study showed that lowest bid, public relations and joint venture bidding strategies have great impact on contractors’ bid success especially on residential, educational and administrative projects in the Nigeria Construction Industry (NCI. Therefore, the study concluded that relationship exists between contractors’ bidding strategies and equivalent successes recorded over a period of time. It is important to also know that lowest bid strategy still remains the most effective bidding strategy for public works contracting in the NCI.

  19. 36 CFR 223.88 - Bidding methods.

    Science.gov (United States)

    2010-07-01

    ... 36 Parks, Forests, and Public Property 2 2010-07-01 2010-07-01 false Bidding methods. 223.88... methods. (a) Competitive sales of National Forest timber shall be offered through either sealed or oral auction bidding. The method chosen for each sale will: (1) Insure open and fair competition, (2) Insure...

  20. 40 CFR 73.71 - Bidding.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 16 2010-07-01 2010-07-01 false Bidding. 73.71 Section 73.71 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS (CONTINUED) SULFUR DIOXIDE ALLOWANCE SYSTEM Auctions, Direct Sales, and Independent Power Producers Written Guarantee § 73.71 Bidding...

  1. Competitive bidding might create antitrust problems

    International Nuclear Information System (INIS)

    Smith, D.J.

    1991-01-01

    With the increased use and complexity of competitive bidding systems for new generating capacity there is the possibility that federal antitrust laws may be violated. Anyone violating Section 1 of the Sherman Act could face stiff penalties. Falling into this category of violations are agreements among competitors, price fixing, and elimination of competitors through the allocations of customers and/or territories. It does not have to be in writing for someone to be charged with bid rigging. In fact, it is stated that bid rigging is typically proved from the testimony of one of the persons involved. According to this paper, a charge of rigging the bids can come from: One or more bidders offering to provide power at a higher price than another bidder. Two or more bidders offering to supply power at the same price. One or more potential bidders not submitting a bid or intentionally bidding high. One bidder and not the others offering a more favorable construction schedule or an alternative proposal. One firm offering to renegotiate if its bid is rejected while the other bidders refuse. These are just some of the agreements that are illegal. The penalties for such violations of the Sherman Act are severe: fines of up to $100,000 and up to three years in jail for individuals; up to $1 million in fines for corporations

  2. The Effect of Information Feedback in Construction Bidding

    Directory of Open Access Journals (Sweden)

    Alexander Soo

    2010-07-01

    Full Text Available  With the goal to achieve efficiency in bidding competitions, many codes of bidding procedure recommend clients provide contractors with bidding feedback information. Contractors strive to bid competitively via learning based on their experiences in past bidding attempts. The level of bidding feedback information, however, varies across clients. In many cases, clients do not provide feedback or provide insufficient feedback to contractors. Focussing on two information feedback conditions (full and partial, we examine: (i the changes in bidding trend over time, and (ii the effects of bidding feedback information on bidders’ competitiveness in bidding. Data were gathered using a bidding experiment that involved student (inexperienced bidders with a construction project management background. The results show that the variations in bids over time for full information feedback condition are statistically significant, but not for bids from bidders with partial bidding feedback information. Bidders with full bidding feedback information are more competitive than those with partial bidding feedback information. The findings add to both our theoretical and empirical understanding of construction bidding: an understanding of the process of changes in the price of building work, and how the process can be manipulated through the release of bidding feedback information.

  3. Marginal Bidding: An Application of the Equimarginal Principle to Bidding in TAC SCM

    Science.gov (United States)

    Greenwald, Amy; Naroditskiy, Victor; Odean, Tyler; Ramirez, Mauricio; Sodomka, Eric; Zimmerman, Joe; Cutler, Clark

    We present a fast and effective bidding strategy for the Trading Agent Competition in Supply Chain Management (TAC SCM). In TAC SCM, manufacturers compete to procure computer parts from suppliers (the procurement problem), and then sell assembled computers to customers in reverse auctions (the bidding problem). This paper is concerned only with bidding, in which an agent must decide how many computers to sell and at what prices to sell them. We propose a greedy solution, Marginal Bidding, inspired by the Equimarginal Principle, which states that revenue is maximized among possible uses of a resource when the return on the last unit of the resource is the same across all areas of use. We show experimentally that certain variations of Marginal Bidding can compute bids faster than our ILP solution, which enables Marginal Bidders to consider future demand as well as current demand, and hence achieve greater revenues when knowledge of the future is valuable.

  4. 48 CFR 14.404-2 - Rejection of individual bids.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 1 2010-10-01 2010-10-01 false Rejection of individual... of individual bids. (a) Any bid that fails to conform to the essential requirements of the invitation... total price of the bid, but the prices for individual line items as well. (g) Any bid may be rejected if...

  5. 48 CFR 814.404-2 - Rejection of individual bids.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 5 2010-10-01 2010-10-01 false Rejection of individual... Rejection of individual bids. (a) When a contracting officer finds a bid that is being considered for an... nonresponsive an individual bid that is not in compliance with the Government's bid acceptance time, since...

  6. The Committee System For Competitive Bids In Local ...

    African Journals Online (AJOL)

    When a municipality contracts for goods or services, it must make use of competitive bidding / a public call for tenders for contracts over R200 000 as well as for long term contracts. A competitive bidding process generally consists of different stages, for example, compiling bid specifications, advertising the bid, the receipt ...

  7. 7 CFR 1955.147 - Sealed bid sales.

    Science.gov (United States)

    2010-01-01

    ... Law 103-354 will accept the bid or bids which are in the best financial interest of the Government... agency under Public Law 103-354 office. All bids will be date and time stamped. Advertisements and... 7 Agriculture 14 2010-01-01 2009-01-01 true Sealed bid sales. 1955.147 Section 1955.147...

  8. 7 CFR 1780.95 - Public bidding on bonds.

    Science.gov (United States)

    2010-01-01

    ... public bidding. The Agency will not submit a bid at the advertised sale unless required by State law, nor... 7 Agriculture 12 2010-01-01 2010-01-01 false Public bidding on bonds. 1780.95 Section 1780.95... Bonds and Bond Transcript Documents for Public Body Applicants § 1780.95 Public bidding on bonds. Bonds...

  9. 23 CFR 635.111 - Tied bids.

    Science.gov (United States)

    2010-04-01

    ... MAINTENANCE Contract Procedures § 635.111 Tied bids. (a) The STD may tie or permit the tying of Federal-aid...-financed highway projects may be combined in one contract if the conditions of the projects are so similar...

  10. Competitive bidding tactics for new exploration concessions

    Energy Technology Data Exchange (ETDEWEB)

    Hawley, P.W.; Bramley, A.D.; Castellani, J.M. [Little (Arthur D.), London (United Kingdom)

    1994-12-31

    In some (mostly developing) countries, oil companies compete for new exploration agreements by bidding the key economic parameters. We believe that an increasing number of companies are making generous offers in order to win bids, in the expectation of being able to renegotiate economic terms if they make a discovery. However, the tactic damages the performance of the E and P industry in developing countries - for governments and companies alike. The means of combating `tactical overbidding` rests largely with governments and national oil companies in making better contracts and taking a cautious approach to the evaluation of bids. Reputable companies can contribute to the process by emphasising that their bids are formulated in good faith and based on sound commercial considerations. (author)

  11. Competitive bidding tactics for new exploration concessions

    International Nuclear Information System (INIS)

    Hawley, P.W.; Bramley, A.D.; Castellani, J.M.

    1994-01-01

    In some (mostly developing) countries, oil companies compete for new exploration agreements by bidding the key economic parameters. We believe that an increasing number of companies are making generous offers in order to win bids, in the expectation of being able to renegotiate economic terms if they make a discovery. However, the tactic damages the performance of the E and P industry in developing countries - for governments and companies alike. The means of combating 'tactical overbidding' rests largely with governments and national oil companies in making better contracts and taking a cautious approach to the evaluation of bids. Reputable companies can contribute to the process by emphasising that their bids are formulated in good faith and based on sound commercial considerations. (author)

  12. Bid Regulations in a Multi-unit Uniform Price Auction

    DEFF Research Database (Denmark)

    Boom, Anette

    for larger rms does not guarantee market prices below that cap. A suffciently high bid floor only for smaller firms destroys some or all pure strategy equilibria despite their prices being above the bid floor. With a general bid floor this happens only with considerably higher bid floors.......This paper examines the effect of bid regulations on the range of potential equilibrium prices in a multi-unit uniform price auction with heterogenous bidders. General bid caps destroy equilibria with prices above the bid cap and create new equilibria with prices way below the cap. A cap only...

  13. Political entrepreneurship and bidding for political monopoly

    OpenAIRE

    Michael Wohlgemuth

    2000-01-01

    An analytical framework for dealing with political entrepreneurship and reform is proposed which is based on some new combinations of Schumpeterian political economy, an extended version of Tullock's model of democracy as franchise-bidding for natural monopoly and some basic elements of New Institutional Economics. It is shown that problems of insufficient award criteria and incomplete contracts which may arise in economic bidding schemes, also - and even more so - characterise political comp...

  14. Europe wrestles with ITER site bid

    CERN Multimedia

    Feder, T

    2003-01-01

    "The European Union is in a quandary over whether to put forward the French or Spanish site to host ITER, a $5 billion magnetic fusion experiment intended to prove the feasability of fusion energy. The decision is set for 27 November, with the final site selection, between the victorious European bid and bids from Canada and Japan, to follow within a couple of months" (1 page)

  15. Grønne, kommunale regnskaber

    DEFF Research Database (Denmark)

    Kristiansen, K.

    Hvad er et grønt, kommunalt regnskab? Hvordan får man miljøhjulet til at dreje? Hvorfor lave et grønt regnskab? Håndbog i grønne, kommunale regnskaber viser, hvordan man nemt kan lave et grønt regnskab, som er tilpasset forholdene i den enkelte kommune og som kan bruges i det lokale Agenda 21...

  16. Populismens grænser

    DEFF Research Database (Denmark)

    Siim, Birte

    2010-01-01

    I den forløbne uge har 'burkasagen' og sagen om kønsopdelte grupper på Blågårdsskolen atter udfordret grænserne for det danske demokratis rummelighed. De to sager har vakt stor opsigt i pressen og har fremkaldt voldsomme udtalelser både fra repræsentanter for regeringen, dens støtteparti og fra t...

  17. Gr.

    Directory of Open Access Journals (Sweden)

    Václav Blažek

    1984-12-01

    Full Text Available The-Greek word   (Archilochos, Aristophanes, Plato, Aristoteles, Dor. ní&anos: "ape", ní-&wv, -wvoi; "little ape" (Pindaros does not have any convincible Indo-European etymology. The old comparison with Lat. foedus "beastly, foul" etc. is obviously improbable and the word is rather bor­rowed from an unknown source.

  18. Bidding strategy in pay-as-bid markets based on supplier-market interaction analysis

    International Nuclear Information System (INIS)

    Bigdeli, N.; Afshar, K.; Fotuhi-Firuzabad, M.

    2010-01-01

    In this paper, a new bidding strategy for pay-as-bid market suppliers is introduced. This method is based on a systematic analysis of interactions of market with the suppliers via several market indices as well as forecasting important indices by artificial neural networks. Besides, the proposed method considers the practical limitations in the system and deals with incomplete information handling, closely. Next, a strategic bidding approach is proposed for optimal bidding by the suppliers. In these investigations, the paper focus is on the experimental situation of Iran electricity market as a pay-as-bid market and a sample generating company with several generating units from this market is considered as the benchmark. The results of applying this approach to this generating company are representative of good performance of the proposed method.

  19. Subsalt bids, strategies analyzed from Gulf of Mexico Sale 147

    International Nuclear Information System (INIS)

    Lerche, I.

    1994-01-01

    Analysis of the bid distributions for the 10 most expensively acquired blocks at the March 1994 Gulf of Mexico Lease Sale 147 indicates that the global distribution of bids splits into two groups at a bid of around $2 million. Both the low bid group--25 bids--and the high bid group--17 bids--follow approximately log normal distributions with different slopes. On an individual block basis, four blocks had sufficient numbers of bids (≥5) to indicate a statistical ''mix'' of low and high group bids, but no preference with respect to physical location of the blocks is apparent. On a corporate basis, two bidding groups--Amoco on its own or with partners, Anadarko on its own or with partners--each made a sufficient number of bids to indicate that both groups followed a very similar bidding pattern, both of which are approximately log normally distributed, but that the Amoco groups was systematically conservative relative to the Anadarko group. The paper discusses the overall distribution of bids, distribution by blocks, and bids by corporation

  20. Competitive bidding tactics for new exploration concessions

    International Nuclear Information System (INIS)

    Hawley, P.D.; Bramley, A.D.; Castellani, J.M.

    1992-01-01

    In some (mostly developing) countries, oil companies compete for new exploration agreements by bidding the key economic parameters. Companies are faced with a trade off between profitability of potential discoveries and probability of winning the bid. The authors believe that an increasing number of companies are making generous offers in order to win bids, in the expectation of being able to renegotiate economic terms if they make a discovery. This tactic is hard to recognize and may have a good chance of success, due to the strength of the oil company's bargaining position upon discovery. However, the tactic damages the performance of the E and P industry in developing countries --- for governments and companies alike. This paper reports that the means of combating tactical underbidding rest largely with governments and national oil companies in making better contracts and taking a cautious approach to the evaluation of bids. Reputable companies can contribute to the process by emphasizing that their bids are formulated in good faith and based on sound commercial considerations

  1. Modelling contractor’s bidding decision

    Directory of Open Access Journals (Sweden)

    Biruk Sławomir

    2017-03-01

    Full Text Available The authors aim to provide a set of tools to facilitate the main stages of the competitive bidding process for construction contractors. These involve 1 deciding whether to bid, 2 calculating the total price, and 3 breaking down the total price into the items of the bill of quantities or the schedule of payments to optimise contractor cash flows. To define factors that affect the decision to bid, the authors rely upon literature on the subject and put forward that multi-criteria methods are applied to calculate a single measure of contract attractiveness (utility value. An attractive contract implies that the contractor is likely to offer a lower price to increase chances of winning the competition. The total bid price is thus to be interpolated between the lowest acceptable and the highest justifiable price based on the contract attractiveness. With the total bid price established, the next step is to split it between the items of the schedule of payments. A linear programming model is proposed for this purpose. The application of the models is illustrated with a numerical example.

  2. Applicability Analysis of Bidding Strategy in Electricity Market

    Directory of Open Access Journals (Sweden)

    Zhou Suyan

    2017-01-01

    Full Text Available With the development of the electricity market, competition has been introduced in the generation side. It is the overall development trend of the electricity market reformulation to optimize the allocation of different resources through bidding. Therefore, it is significant to research the bidding strategies of the generation companies and the large consumers. This paper reviews the existing research methods of bidding strategy. According to the different market mechanisms, the market participators will choose different bidding strategies based on their own cases. We analyze the applicability of bidding strategies under the different conditions, and give suggestions on how to select bidding strategy for the different market participators under different conditions.

  3. Strategic Bidding Behaviors in Nondecreasing Sponsored Search Auctions

    Directory of Open Access Journals (Sweden)

    Chen-Kun Tsung

    2013-01-01

    Full Text Available To realize the specific results in the sponsored search auctions, most advertisers submit particular bid prices. The bidding behaviors with specific purposes are called as the strategic bidding. However, some strategic bidding behaviors will result in negative effects, such as the elimination of the equilibrium and the payment increase for some advertisers. The bidding behaviors with negative results are termed as the vindictive bidding. We survey four strategic bidding behaviors which include a rational bidding and three vindictive bidding strategies. In this paper, we study the relationship between the effects resulted by the vindictive bidding and the valuations of the vindictive advertisers. In our experiments, the search engine provider (SEP is benefited by all vindictive bidding behaviors, and the increment of the SEP's revenue is proportional to the degree of the vindictiveness. Bidding vindictively without sacrificing the own utility improves the advertiser's utility with high probability. Moreover, we observe that the SEP's revenue is improved by the following situations. First, the vindictive advertiser with low valuation in the keywords with high market value results in more SEP's revenue than that in the keywords with low market value. The second case is to raise the bidding competition between advertisers.

  4. Bidding in common value fair division games

    OpenAIRE

    Brünner, Tobias; Becker, Alice

    2013-01-01

    In a fair division game an indivisible object with an unknown common value is owned by a group of individuals and should be allocated to one of them while the others are compensated monetarily. Implementing fair division games in the lab, we fi nd many occurrences of the winner's curse under the first-price rule but only few occurrences under the second-price rule. Moreover, bidding behavior is very heterogeneous across subjects. A considerable share of our subjects anticipates that other bid...

  5. Single-Bid Awards Under the GSA Service Schedules

    National Research Council Canada - National Science Library

    Stott, Bethany

    2004-01-01

    This study seeks to examine the verity of the common perception that single-bid orders are more costly, lower in performance quality, and shorter in pre-award process time than competitively-bid orders...

  6. 48 CFR 14.202-4 - Bid samples.

    Science.gov (United States)

    2010-10-01

    ... be described adequately in the specification or purchase description. (2) Bid samples will be used... the bidder's intention was to qualify the bid. (See 14.404-2(d) if the qualification does not conform...

  7. Single-Bid Awards Under the GSA Service Schedules

    National Research Council Canada - National Science Library

    Stott, Bethany

    2004-01-01

    .... To this end, we look at why single-bid orders exist in the current procurement system, how these orders measure up to competitively-bid orders in cost and performance, and how customer satisfaction...

  8. Mexican Parenting Questionnaire (MPQ)

    Science.gov (United States)

    Halgunseth, Linda C.; Ispa, Jean M.

    2012-01-01

    The present study was conducted in four phases and constructed a self-report parenting instrument for use with Mexican immigrant mothers of children aged 6 to 10. The 14-item measure was based on semistructured qualitative interviews with Mexican immigrant mothers (N = 10), was refined by a focus group of Mexican immigrant mothers (N = 5), and was…

  9. Five bid to host Middle East synchroton

    CERN Multimedia

    McCabe, H

    1999-01-01

    Germany is willing to donate a synchrotron to a research centre to be built somewhere in the Middle East. Bids to host the centre were submitted by Turkey, Cyprus, Iran, the Palestinian Authority and Egypt. Funding of at least 30 million US dollars still needs to be found (1 page).

  10. 47 CFR 1.2103 - Competitive bidding design options.

    Science.gov (United States)

    2010-10-01

    ... 47 Telecommunication 1 2010-10-01 2010-10-01 false Competitive bidding design options. 1.2103 Section 1.2103 Telecommunication FEDERAL COMMUNICATIONS COMMISSION GENERAL PRACTICE AND PROCEDURE Competitive Bidding Proceedings General Procedures § 1.2103 Competitive bidding design options. (a) The...

  11. 23 CFR 635.112 - Advertising for bids and proposals.

    Science.gov (United States)

    2010-04-01

    ... OPERATIONS CONSTRUCTION AND MAINTENANCE Contract Procedures § 635.112 Advertising for bids and proposals. (a) No work shall be undertaken on any Federal-aid project, nor shall any project be advertised for bids... 23 Highways 1 2010-04-01 2010-04-01 false Advertising for bids and proposals. 635.112 Section 635...

  12. 48 CFR 52.228-1 - Bid Guarantee.

    Science.gov (United States)

    2010-10-01

    ... as accepted. (c) The amount of the bid guarantee shall be ____ percent of the bid price or $____, whichever is less. (d) If the successful bidder, upon acceptance of its bid by the Government within the period specified for acceptance, fails to execute all contractual documents or furnish executed bond(s...

  13. 47 CFR 25.403 - Bidding application and certification procedures.

    Science.gov (United States)

    2010-10-01

    ... 47 Telecommunication 2 2010-10-01 2010-10-01 false Bidding application and certification procedures. 25.403 Section 25.403 Telecommunication FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) COMMON CARRIER SERVICES SATELLITE COMMUNICATIONS Competitive Bidding Procedures for DARS § 25.403 Bidding...

  14. 48 CFR 731.771 - Bid and proposal costs.

    Science.gov (United States)

    2010-10-01

    ... GENERAL CONTRACTING REQUIREMENTS CONTRACT COST PRINCIPLES AND PROCEDURES Contracts With Nonprofit Organizations 731.771 Bid and proposal costs. Pending the establishment of Government-wide principles in...) below, bid and proposal costs of the current accounting period of both successful and unsuccessful bids...

  15. Sustainable promotion nuclear power enterprise procurement bidding risk management

    International Nuclear Information System (INIS)

    Wu Yimin

    2014-01-01

    Nuclear power enterprise procurement bidding work faced with certain risk in recent years, the domestic nuclear power enterprises in the bidding work never stop research and explore the effective ways to guard against legal risks, and has made considerable progress, the eighteenth big country advocates the safety and efficiency of nuclear power development policy, in the face of the subsequent nuclear power construction projects have started, nuclear power enterprise bidding risk management work shoulder heavy responsibilities article through nuclear power enterprise procurement bidding risk management present situation, proposed the sustainable promotion nuclear power enterprise procurement bidding risk management countermeasures. (author)

  16. Developing Medicare Competitive Bidding: A Study of Clinical Laboratories

    Science.gov (United States)

    Hoerger, Thomas J.; Meadow, Ann

    1997-01-01

    Competitive bidding to derive Medicare fees promises several advantages over administered fee systems. The authors show how incentives for cost savings, quality, and access can be incorporated into bidding schemes, and they report on a study of the clinical laboratory industry conducted in preparation for a bidding demonstration. The laboratory industry is marked by variable concentration across geographic markets and, among firms themselves, by social and economic heterogeneity. The authors conclude that these conditions can be accommodated by available bidding design options and by careful selection of bidding markets. PMID:10180003

  17. DOE turns down all bids for Elk Hills crude

    International Nuclear Information System (INIS)

    Anon.

    1992-01-01

    This paper reports that the U.S. Department of Energy has rejected all bids submitted in the Mar. 5 semiannual sale of crude oil from Elk Hills Naval Petroleum Reserve (NPR-1) in California. DOE the all 19 bids for the 53,740 b/d of crude were too low. The bids ranged from $11.71 to $14.06/bbl, with the top bids for the highest quality Stevens zone crude averaging $13.25/bbl. California oil companies the they bid what the market would bear, explaining a surplus of Alaskan crude on the West Coast has driven down the price of local crudes, notably heavy crudes. DOE will extend the current oil purchase contracts through April while it issues a new request for bids. It planned to issue the solicitation Mar. 23 and receive bids Apr. 15

  18. Competitive bidding in Medicare: who benefits from competition?

    Science.gov (United States)

    Song, Zirui; Landrum, Mary Beth; Chernew, Michael E

    2012-09-01

    To conduct the first empirical study of competitive bidding in Medicare. We analyzed 2006-2010 Medicare Advantage data from the Centers for Medicare and Medicaid Services using longitudinal models adjusted for market and plan characteristics. A $1 increase in Medicare's payment to health maintenance organization (HMO) plans led to a $0.49 (P service plans included, higher Medicare payments increased bids less ($0.33 per dollar), suggesting more competition among these latter plans. As a market-based alternative to cost control through administrative pricing, competitive bidding relies on private insurance plans proposing prices they are willing to accept for insuring a beneficiary. However, competition is imperfect in the Medicare bidding market. As much as half of every dollar in increased plan payment went to higher bids rather than to beneficiaries. While having more insurers in a market lowered bids, the design of any bidding system for Medicare should recognize this shortcoming of competition.

  19. Research on bidding quotation game of international project

    Science.gov (United States)

    Lin, Tao; Xu, Xin

    2017-04-01

    Bidding competition of international projects is more and more fierce currently. However, China started late relatively in the field, it is still lack of experience in the aspect of participation in bidding of international projects, and more effective bidding quotation system is not formed till present. Therefore, China can not win through systemic bidding quotation methods compared with many powerful bidding enterprises in the international field. Research on the field is also focused by many aspects as a result. It is urgent to solve related problems. Game theory is combined for analyzing the effectiveness and operability of bidding quotation models mainly based on current situation of bidding market in China international projects during research process in the paper. The research starts with the perspective of bidders for analyzing their game with tenderers and other bidders. The results have operational value aiming at bidders.

  20. Impaired spermatogenesis and gr/gr deletions related to Y chromosome haplogroups in Korean men.

    Directory of Open Access Journals (Sweden)

    Jin Choi

    Full Text Available Microdeletion of the Azoospermia Factor (AZF regions in Y chromosome is a well-known genetic cause of male infertility resulting from spermatogenetic impairment. However, the partial deletions of AZFc region related to spermatogenetic impairment are controversial. In this study, we characterized partial deletion of AZFc region in Korean patients with spermatogenetic impairment and assessed whether the DAZ and CDY1 contributes to the phenotype in patients with gr/gr deletions. Total of 377 patients with azoo-/oligozoospermia and 217 controls were analyzed using multiplex polymerase chain reaction (PCR, analysis of DAZ-CDY1 sequence family variants (SFVs, and quantitative fluorescent (QF-PCR. Of the 377 men with impaired spermatogenesis, 59 cases (15.6% had partial AZFc deletions, including 32 gr/gr (8.5%, 22 b2/b3 (5.8%, four b1/b3 (1.1% and one b3/b4 (0.3% deletion. In comparison, 14 of 217 normozoospermic controls (6.5% had partial AZFc deletions, including five gr/gr (2.3% and nine b2/b3 (4.1% deletions. The frequency of gr/gr deletions was significantly higher in the azoo-/oligozoospermic group than in the normozoospermic control group (p = 0.003; OR = 3.933; 95% CI = 1.509-10.250. Concerning Y haplogroup, we observed no significant differences in the frequency of gr/gr deletions between the case and the control groups in the YAP+ lineages, while gr/gr deletion were significantly higher in azoo-/oligozoospermia than normozoospermia in the YAP- lineage (p = 0.004; OR = 6.341; 95% CI = 1.472-27.312. Our data suggested that gr/gr deletion is associated with impaired spermatogenesis in Koreans with YAP- lineage, regardless of the gr/gr subtypes.

  1. Risk analysis of bidding strategies in an electricity pay as bid auction: A new theorem

    International Nuclear Information System (INIS)

    Rahimiyan, Morteza; Rajabi Mashhadi, Habib

    2007-01-01

    Considering the uncertainties in the power market, the bidding problem has an important role for the power supplier to reach his goals, and using risk management methods to protect against the market risk is unavoidable. Thus, in this paper, the bidding decision making problem is formulated from a supplier's viewpoint in a spot market. The spot market works based on a pay as bid auction or a discriminatory price auction. The market clearing price (MCP) is uncertain, and we consider a probabilistic model for it. Regarding the literature of the bidding problem and forecasting methods of MCP, a normal probability density function, pdf (N(μ m , σ m )), is a proper distribution for the MCP. The statistical parameters of MCP vary on different times (peak and off peak), and considering the concept of supplier risk, their effects on the supplier expected benefit and expected sell from selling energy will be discussed analytically. An important section of this research work concerns the optimal bidding strategy when μ m and σ m vary in different conditions of the power market. Thus, the coefficient of variation index (CV), as a proper measure, mathematically defined as σ m divided by μ m , is introduced to measure the market risk index. In this paper, the CV index is used to analyze and manage the supplier risk and introduce the optimal strategy. Then, for a constant amount of the CV as a theorem, it is proved that: (1) the maximum of the expected sell occurs at a constant level of the supplier risk and (2) the optimal bid price linearly depends on the standard deviation of the MCP. This theorem is generalized for the case that the expected value of the supplier benefit is considered as an objective function in the bidding process. Some numerical examples are presented, and application of the proposed theorem is discussed

  2. Bidding strategies in Brazilian electricity auctions

    International Nuclear Information System (INIS)

    Azevedo, Erick M.; Correia, Paulo B.

    2006-01-01

    Double bilateral contract auctions for electric energy purchase and sale occur in Brazil. These auctions present incomplete information and possess some subjectivity in relation to the future scenario of the Brazilian electric system, inserted in the agent's bids. In this work, a model using Bayes' rule and the game theory is proposed to aid the agent in its bid definition. Through the existing relations between the Conditional probabilities of Bayes' Rule, the model transforms beliefs into information. In this way, the absence of information is supplied and the problem is transformed into a game with complete information. The present study has no worries in terms of transmission constraints, since they are not usually considered in the bilateral contract auctions in Brazil. At the end, Nash equilibrium (NE) can be found through the expected payoff matrix of each agent. (author)

  3. Bidding behavior in a symmetric Chinese auction

    Directory of Open Access Journals (Sweden)

    Mauricio Benegas

    2015-01-01

    Full Text Available This paper purposes a symmetric all-pay auction where the bidders compete neither for an object nor the object itself but for a lottery on receive. That lottery is determined endogenously through the bids. This auction is known as chance auction or more popularly as Chinese auction. The model considers the possibility that for some bidders the optimal strategy is to bid zero and to rely on luck. It showed that bidders become less aggressive when the lottery satisfies a variational condition. It was also shown that luck factor is decisive to determine if the expected payoff in Chinese auction is bigger or smaller than expected payoff in standard all-pay auction.

  4. A New Paradigm to Address Bid Protests

    OpenAIRE

    Melese, Francois; Angelis, Diana; Coughlan, Peter; Franck, Raymond; Kidalov, Max; LaCivita, C.J.; Gates, William

    2010-01-01

    Sponsored Report (for Acquisition Research Program) Approved for public release distribution unlimited. The goal of this study is to offer senior decision-makers a useful framework to evaluate, articulate, and recommend modifications of the government''s bid protest policy to improve procurement outcomes. Most countries allow disappointed bidders to protest public procurement decisions as an oversight mechanism to minimize fraud and errors by procurement officials. The expectation is...

  5. Effects of Suboptimal Bidding in Combinatorial Auctions

    Science.gov (United States)

    Schneider, Stefan; Shabalin, Pasha; Bichler, Martin

    Though the VCG auction assumes a central place in the mechanism design literature, there are a number of reasons for favoring iterative combinatorial auction designs. Several promising ascending auction formats have been developed throughout the past few years based on primal-dual and subgradient algorithms and linear programming theory. Prices are interpreted as a feasible dual solution and the provisional allocation is interpreted as a feasible primal solution. iBundle( 3) (Parkes and Ungar 2000), dVSV (de Vries et al. 2007) and the Ascending Proxy auction (Ausubel and Milgrom 2002) result in VCG payoffs when the coalitional value function satisfies the buyer submodularity condition and bidders bid straightforward, which is an expost Nash equilibrium in that case. iBEA and CreditDebit auctions (Mishra and Parkes 2007) do not even require the buyer submodularity condition and achieve the same properties for general valuations. In many situations, however, one cannot assume bidders to bid straightforward and it is not clear from the theory how these non-linear personalized price auctions (NLPPAs) perform in this case. Robustness of auctions with respect to different bidding behavior is therefore a critical issue for any application. We have conducted a large number of computational experiments to analyze the performance of NLPPA designs with respect to different bidding strategies and different valuation models. We compare the results of NLPPAs to those of the VCG auction and those of iterative combinatorial auctions with approximate linear prices, such as ALPS (Bichler et al. 2009) and the Combinatorial Clock auction (Porter et al. 2003).

  6. Computing Gröbner fans

    DEFF Research Database (Denmark)

    Fukuda, K.; Jensen, Anders Nedergaard; Thomas, R.R.

    2005-01-01

    This paper presents algorithms for computing the Gröbner fan of an arbitrary polynomial ideal. The computation involves enumeration of all reduced Gröbner bases of the ideal. Our algorithms are based on a uniform definition of the Gröbner fan that applies to both homogeneous and non......-homogeneous ideals and a proof that this object is a polyhedral complex. We show that the cells of a Gröbner fan can easily be oriented acyclically and with a unique sink, allowing their enumeration by the memory-less reverse search procedure. The significance of this follows from the fact that Gröbner fans...... are not always normal fans of polyhedra in which case reverse search applies automatically. Computational results using our implementation of these algorithms in the software package Gfan are included....

  7. Range war: IPALCO's bid for PSI resources

    International Nuclear Information System (INIS)

    Studness, C.M.

    1993-01-01

    IPALCO Enterprises Inc. announced a hostile, unsolicited bid to acquire PSI Resources on March 15. IPALCO's bid for PSI is aggressive and well thought out, which befits the strong incentive that it had to take action. Besides topping Cincinnati Gas ampersand Electric's offering price made late last year, IPALCO took the initiative on three other fronts. First, it filed a lawsuit in federal court in Indianapolis to block the merger between PSI and Cincinnati. The suit claims that the proposed merger violates Indiana law and that PSI and Cincinnati have made false and misleading statements about the benefits of their proposed merger. Second, IPALCO announced it will oppose the merger between PSI and Cincinnati in proceedings before Indiana regulators. Third, IPALCO said it plans to nominate a slate of five candidates to stand election for PSI's Board of Directors at the company's annual shareholders meeting this spring. However, these initiatives and IPALCO's accompanying appeal to Hoosier loyality are little more than diversionary tactics. In the final analysis, whether PSI merges with IPALCO or with Cincinnati will depend rather simply on who is willing to make the highest bid

  8. MANDATORY TAKEOVER BIDS ON ROMANIAN CAPITAL MARKET

    Directory of Open Access Journals (Sweden)

    Cristian GHEORGHE

    2017-05-01

    Full Text Available The Romanian Capital Market Law (Law no 297/2004 lays down rules regarding public offers (to buy or sell of securities admitted to trading on a regulated market. Such offers are not unknown in the general framework of companies’ regulations, i.e. Company Law no 31/1990. Actually a public limited liability company (joint stock company can use a public subscriptions (offering shares for sale to raise the registered capital for incorporation of the company or to increase the company’s share capital already established. But all such operations are voluntary decisions. The founders or the shareholders of the company are those who decide to launch a public subscriptions. Capital Market Law comes with something new and at least peculiar at first sight: mandatory takeover bid, meaning a mandatory public offer made by an offeror to the holders of the securities of a company (offeree to acquire all or some of those securities. Can someone be forced to buy securities on the regulated market? The Capital Market Law responds affirmatively, but only if such takeover bid follows or has as its objective the acquisition of control of the offeree company in accordance with national law. The takeover bid remains under supervision and authorization of the national authority of the Capital Market (FSA – Financial Supervisory Authority.

  9. Mexican Society of Bioelectromagnetism

    International Nuclear Information System (INIS)

    Canedo, Luis

    2008-01-01

    In July 2007 physicians, biologists and physicists that have collaborated in previous meetings of the medical branch of the Mexican Physical Society constituted the Mexican Society of Bioelectromagnetism with the purpose of promote scientific study of the interaction of electromagnetic energy (at frequencies ranging from zero Hertz through those of visible light) and acoustic energy with biological systems. A second goal was to increase the contribution of medical and biological professionals in the meetings of the medical branch of the Mexican Physical Society. The following paragraphs summarize some objectives of the Mexican Society of Bioelectromagnetism for the next two years

  10. Improving the design of competitive bidding in Medicare Advantage.

    Science.gov (United States)

    Cawley, John H; Whitford, Andrew B

    2007-04-01

    In 2003, Congress passed the Medicare Prescription Drug, Improvement, and Modernization Act, which required that in 2006 the Centers for Medicare and Medicaid Services (CMS) implement a system of competitive bids to set payments for the Medicare Advantage program. Managed care plans now bid for the right to enroll Medicare beneficiaries. Data from the first year of bidding suggest that imperfect competition is limiting the success of the bidding system. This article offers suggestions to improve this system based on findings from auction theory and previous government-run auctions. In particular, CMS can benefit by adjusting its system of competitive bids in four ways: credibly committing to regulations governing bidding; limiting the scope for collusion, entry deterrence, and predatory behavior among bidders; adjusting how benchmark reimbursement rates are set; and accounting for asymmetric information among bidders.

  11. Electric power bidding model for practical utility system

    Directory of Open Access Journals (Sweden)

    M. Prabavathi

    2018-03-01

    Full Text Available A competitive open market environment has been created due to the restructuring in the electricity market. In the new competitive market, mostly a centrally operated pool with a power exchange has been introduced to meet the offers from the competing suppliers with the bids of the customers. In such an open access environment, the formation of bidding strategy is one of the most challenging and important tasks for electricity participants to maximize their profit. To build bidding strategies for power suppliers and consumers in the restructured electricity market, a new mathematical framework is proposed in this paper. It is assumed that each participant submits several blocks of real power quantities along with their bidding prices. The effectiveness of the proposed method is tested on Indian Utility-62 bus system and IEEE-118 bus system. Keywords: Bidding strategy, Day ahead electricity market, Market clearing price, Market clearing volume, Block bid, Intermediate value theorem

  12. Impact of Railroad Contracts on Grain Bids to Farmers

    OpenAIRE

    Steven D. Hanson; C. Phillip Baumel; Daniel Schnell

    1989-01-01

    The deregulation of railroads by the Staggers Rail Act of 1980 reversed nearly a century of prohibition of contracts between railroads shippers/receivers. This paper presents an analysis of the impact that railroad contracts have on grain bids to corn, wheat, and soybean farmers. The empirical results indicate that destination contracts had significant impacts on prices bid to corn and soybean farmers, while origin contracts had significant and large impacts on prices bid to wheat farmers.

  13. Applicability Analysis of Bidding Strategy in Electricity Market

    OpenAIRE

    Zhou Suyan; Chen Fei; Qiao Yahui; Zhang Wenzhe; Zhang Kaifeng; Yuan Kun; Dai Xuemei

    2017-01-01

    With the development of the electricity market, competition has been introduced in the generation side. It is the overall development trend of the electricity market reformulation to optimize the allocation of different resources through bidding. Therefore, it is significant to research the bidding strategies of the generation companies and the large consumers. This paper reviews the existing research methods of bidding strategy. According to the different market mechanisms, the market partic...

  14. Advertising and Sealed Bid Auctions in a Transshipment Game

    Science.gov (United States)

    1996-06-01

    distributors promote their sales by advertising . While the maximum quantity demanded by each customer is fixed and given, his bids on the various...brands are determined by the advertising and other promotional efforts. The bid response function for each consumer is supposed to be given and known. The...the optimal distribution of the product, and the bids of the consumers . A numerical example is provided and the solution routine is discussed.

  15. Explanatory Emotion Talk in Mexican Immigrant and Mexican American Families.

    Science.gov (United States)

    Cervantes, Christi A.

    2002-01-01

    Mother-child conversations during story-telling play were analyzed for patterns of emotion talk. Subjects were 48 Mexican immigrant and Mexican American mothers and their children aged 3-4. Contrary to previous findings, Mexican immigrant mothers used more explanations of emotions than labels. Mexican American mothers used both, equally. Results…

  16. Strategic Bidding in Hybrid CPC/CPM Auctions

    OpenAIRE

    Yi Zhu; Kenneth C. Wilbur

    2008-01-01

    Websites increasingly allow advertisers to choose whether to bid for advertising on a per-impression or per-click basis. We present the first analysis of this new hybrid auction market. The conventional wisdom in this industry is that brand advertisers (e.g., Coca-Cola) will bid for impressions, while direct response advertisers (e.g., Amazon.com) will bid for clicks. We find that in an auction setting similar to that used by Facebook and Google, brand advertisers may have an incentive to bid...

  17. 48 CFR 14.406 - Receipt of an unreadable electronic bid.

    Science.gov (United States)

    2010-10-01

    ... an unreadable electronic bid. If a bid received at the Government facility by electronic data... electronic bid. 14.406 Section 14.406 Federal Acquisition Regulations System FEDERAL ACQUISITION REGULATION... bid as originally submitted; and (b) That the unreadable condition of the bid was caused by Government...

  18. The Mexican American.

    Science.gov (United States)

    Rowan, Helen

    The purpose of this paper, prepared for the U. S. Commission on Civil Rights, is to indicate the types and ranges of problems facing the Mexican American community and to suggest ways in which these problems are peculiar to Mexican Americans. Specific examples are cited to illustrate major problems and personal experiences. Topics covered in the…

  19. [Die Gründung...] / Anders Henriksson

    Index Scriptorium Estoniae

    Henriksson, Anders

    2004-01-01

    Rets.: Karsten Brüggemann. Die Gründung der Republik Estland und das Ende des "Einen und unteilbaren Russland" : die Petrograder Front des Russischen Bürgerkrieges, 1918-1920. Wiesbaden : Harrassowitz, 2002

  20. 42 CFR 414.412 - Submission of bids under a competitive bidding program.

    Science.gov (United States)

    2010-10-01

    ... D of this part. (c) Furnishing of items. A bid must include all costs related to furnishing an item... capital, stock or profits of another supplier; (ii) A controlling interest exists if one or more of owners... controlling interest and each supplier which has an ownership or controlling interest in it. (3) Commonly...

  1. Grænser, barrierer og broer

    DEFF Research Database (Denmark)

    Nortvig, Anne Mette; Christiansen, René B.; Karlsen, Asgjerd Vea

    2015-01-01

    ledelsesmæssige muligheder for, at skoleklasser i grundskolen kan arbejde sammen og lære på tværs af de tre landes grænser. Nogle af de helt overordnede mål for projektet har således været at udvikle grænseoverskridende undervisningsmodeller i Norden, der kunne mindske de mentale og praktiske barrierer for en...

  2. Grænsestrategier og transnationale relationer

    DEFF Research Database (Denmark)

    Eilenberg, Michael

    2006-01-01

    I denne artikel ønsker jeg at undersøge betydningen af transnationale etniske relationer for den indonesiske ibanske befolkning, der er bosat i grænselandet, mellem den malaysiske delstat, Sarawak og den indonesiske provins, Vest Kalimantan. Jeg vil diskutere hvordan transnationale etniske...... disse processer, som de kommer til udtryk i form af bl.a. arbejdsmigration på tværs af den internationale grænse til Sarawak, Malaysia. Udgivelsesdato: Juli...

  3. Branding af grønne byer

    DEFF Research Database (Denmark)

    Konijnendijk, Cecil Cornelis; Petersen, Karen Sejr

    2010-01-01

    Det grønne - byens parker og natur - kan være med til at skabe en attraktiv by, som har stærk identitet og brand, både for omverden og byens egne borgere.......Det grønne - byens parker og natur - kan være med til at skabe en attraktiv by, som har stærk identitet og brand, både for omverden og byens egne borgere....

  4. Mexican Perspectives on Mexican-U.S. Relations

    Science.gov (United States)

    1993-04-01

    while serving in the United States military, working in the Bracero program and in American factories. By working with Americans, Mexicans learned that...Mexican government blames the problem on the United States. During the history of the Bracero Program (1942 -1964) 4.6 million Mexicans traveled to...and became familiar to Mexican migrants.ŕ The termination of the Bracero Program did not discourage Mexican agricultural workers from entering the

  5. MathGR: a tensor and GR computation package to keep it simple

    OpenAIRE

    Wang, Yi

    2013-01-01

    We introduce the MathGR package, written in Mathematica. The package can manipulate tensor and GR calculations with either abstract or explicit indices, simplify tensors with permutational symmetries, decompose tensors from abstract indices to partially or completely explicit indices and convert partial derivatives into total derivatives. Frequently used GR tensors and a model of FRW universe with ADM type perturbations are predefined. The package is built around the philosophy to "keep it si...

  6. Review of US utility demand-side bidding programs

    International Nuclear Information System (INIS)

    Goldman, C.A.; Kito, M.S.

    1995-01-01

    In this study, we review utility experiences with demand-side management (DSM) bidding programs. Since 1987, about 35 US utilities have signed long-term contracts with developers of DSM resources (ie energy service companies and customers) to provide a quantity of demand and energy savings at specified prices. Total resource costs range between 5.4 and 8 cents/kWh for DSM bidding programs where complete information on program costs is available. Almost all DSM bidding programs have been cost-effective compared with the utility's own supply-side alternatives, although there is substantial disagreement regarding the value of these programs compared with the utility's own DSM programs. In most bidding programs, payments to bidders account for between 70 and 90% of total program costs. Variation in winning bid prices is influenced primarily by DSM bid ceiling prices, differences in the mix of measures and markets targeted by developers, and the degree of performance risk borne by the DSM developer. Bids targeting residential customers averaged 6.2 cents/kWh compared with about 5.0 cents/kWh for commercial/industrial bids. We also compared the costs of acquiring lighting savings in DSM bidding contracts with a sample of 20 utility sponsored commercial/industrial lighting programs. We found that, on average total resource costs were slightly higher in bidding programs (6.1 vs 5.6 cents/kWh), although ratepayers bear significantly less performance risk in bidding programs compared with traditional utility-sponsored DSM programs. (author)

  7. 41 CFR 102-38.225 - What are the additional requirements in the bid process?

    Science.gov (United States)

    2010-07-01

    ... OF PERSONAL PROPERTY Bids Acceptance of Bids § 102-38.225 What are the additional requirements in the bid process? All sales except fixed price sales must contain a certification of independent price...

  8. 48 CFR 536.213-371 - Bids that include options.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 4 2010-10-01 2010-10-01 false Bids that include options... Contracting for Construction 536.213-371 Bids that include options. (a) Subject to the limitations in paragraph (c) of this section, you may include options in contracts if it is in the Government's interest...

  9. Extending the bidding format to promote demand response

    International Nuclear Information System (INIS)

    Liu, Yanchao; Holzer, Jesse T.; Ferris, Michael C.

    2015-01-01

    We propose an extended bidding structure to allow more realistic demand characteristics and behaviors to be expressed via flexible bids. In today's ISO-run energy markets, demand bid formats are all separable over time. However, a significant and growing segment of demand can be shifted across time and therefore has no way to bid its true valuation of consumption. We propose additional bid types that allow deferrable, adjustable and storage-type loads to better express their value, and thus elicit demand response in the most natural way – via direct participation in the market. We show that the additional bid types are easily incorporated into the existing market with no technological barrier and that they preserve the market's efficiency and incentive-compatibility properties. Using real market data, we give a numerical demonstration that the extended bid format could substantially increase social welfare, and also present additional insight on storage expansion scenarios. - Highlights: • Three new bid types are proposed to enrich demand-side participation. • Time value of electricity demand can be clearly conveyed to central dispatcher. • The extended format preserves market efficiency and incentive compatibility. • Energy storage is most effective to neutralize price volatility, with a limitation.

  10. 7 CFR 1726.201 - Formal competitive bidding.

    Science.gov (United States)

    2010-01-01

    ... send invitations to bid only to persons or organizations on its QBL for the specific project (see... factors, other than lowest dollar amount of the bid, which are to be considered in evaluating the proposals of qualified bidders (e.g., power consumption, losses, etc.) must be stated in the “Notice and...

  11. 7 CFR 1726.202 - Informal competitive bidding.

    Science.gov (United States)

    2010-01-01

    ... persons or organizations on its qualified bidder list for the specific project (see § 1726.23). (b... a responsive bid. (d) Evaluation basis. Any factors, other than lowest dollar amount of the bid, which are to be considered in evaluating the proposals of qualified bidders (e.g., power consumption...

  12. Bidding: Getting the Best Price for School Foodservice.

    Science.gov (United States)

    DiBella, Cecilia M.

    1998-01-01

    Sharon (Massachusetts) Public Schools developed an alternative procurement process for school food services that complies with state public bidding laws while evading "low-bid" constraints. The new process features evaluative criteria covering nutrition education, community outreach, management expertise, site visits, and price…

  13. 48 CFR 245.7303 - Formal bid procedures.

    Science.gov (United States)

    2010-10-01

    ... descriptions attached. (d) In addition to mailing or delivering notice of the proposed sale to prospective... type of sale, i.e., sealed bid, spot bid, auction; and (G) The location of the property. (f) The plant..., signed by the witnessing Government representative. ...

  14. The Mexican oil industry

    International Nuclear Information System (INIS)

    Marcos-Giacoman, E.

    1991-01-01

    In the environment of growing domestic demand and enhanced international competitiveness, Petroleos Mexicanos (PEMEX)-the Mexican national oil company-faces the challenge of not only responding adequately to the rapid changes taking place in the Mexican economy, but making a significant contribution towards solid and stable growth. This paper reports that the relevant concern is how PEMEX is going to live up to these expectations. The Mexican oil industry, especially including the petrochemical sector, has great potential in terms of an ample domestic market as well as external foreign-currency-generating markets

  15. Bidding in sequential electricity markets: The Nordic case

    DEFF Research Database (Denmark)

    Boomsma, Trine Krogh; Juul, Nina; Fleten, Stein-Erik

    2014-01-01

    problem as a multi-stage stochastic program. We investigate whether higher risk exposure can explain the hesitation, often observed in practice, to bid into the balancing market, even in cases of higher expected price levels. Furthermore, we quantify the gain from coordinated bidding, and by deriving......For electricity market participants trading in sequential markets with differences in price levels and risk exposure, coordinated bidding is highly relevant. We consider a Nordic power producer who engages in the day-ahead spot market and the near real-time balancing market. In both markets......, clearing prices and dispatched volumes are unknown at the time of bidding. However, in the balancing market, the agent faces an additional risk of not being dispatched. Taking into account the sequential clearing of these markets and the gradual realization of market prices, we formulate the bidding...

  16. Bid Preparation and Evaluation for Nuclear Power Plant Project Management

    International Nuclear Information System (INIS)

    Mohd Idris Taib, Mohd Khairulezwan Abdul Manan and Nur Farizan Amadzun

    2011-01-01

    Bid preparation and evaluation is one of the main activities in Nuclear Power Plant Project management. International Atomic Energy Agency guide and Korean experience was studied for Malaysian requirement in realization of first Nuclear Power Plant. Several aspects shall be taken into consideration such as political scenario, financial capabilities, sitting, human resource, technologies, fuel supplies and decommissioning for long term exceeded hundred years. Bidding process and activities is proposed for our country requirement. The main activities included but unlimited to Bid Invitation Specification, Bid Evaluation Process, Technical Evaluation, Economic Bid Evaluation and Contracting. On the end of day, Malaysia need safe and reliable Nuclear Power Plant. Malaysian Economic Transformation Programme also get benefit from spin-off localization products and services as well as Technology Transfer Programme. (author)

  17. Bidding price analysis for competitive generators and large consumers

    International Nuclear Information System (INIS)

    Ping Wei; Luonan Chen; Hsiao Dong Chiang

    2005-01-01

    We present a new method to analyze the bidding price of each participant (power suppliers and large consumers) in a pay-as-bid market. The bidding price will be decomposed into a variety of components corresponding to five factors, such as the incremental values of the subject bidder's generation on the system operational costs, on the income or payment of other bidders, and on the binding tradable constraints, and the first-order approximation of the subjective participant's bidding price. From an economic viewpoint, each component provides useful information for participants to design the strategic planning. The advantages of the method include that the decomposition is well defined without assumptions and that each decomposition term has its own economical and/or engineering meaning. The proposed method is numerically verified through computer simulations on a three-bus example system and a modified IEEE 30-bus power system with both generator and large consumer bidding. (author)

  18. Understanding the unbundled utility conservation bidding proposal

    International Nuclear Information System (INIS)

    Joskow, P.L.

    1990-01-01

    For several years regulatory advisers have been engaged in controversy about the propriety of integrating energy conservation measures into the total resource planning processes of electric utilities, and of proposed methods of doing so in the competitive supply procurement programs which have been initiated by some utilities. Two prominent economists conceived a method for doing this in competitive bidding programs and at the same time overcoming objections to previous proposals which were based on perceived violations of basic economic principles. They explained their concept and its operation in an article published here in June of last year. In this article another economist subjects the concept to further analysis, identifying its essential elements, and point to inevitable results of their application

  19. Investors flock to Venezuelan bidding rounds

    International Nuclear Information System (INIS)

    Kielmas, M.

    1997-01-01

    The Venezuelan government has disproved the long-cherished oil industry mantra that low tax rates attract private sector investors. At a time when most company managements feel they need to collect balance sheet assets at any price. Venezuela is ensuring that it remains the upmarket not the bargain basement investor target. Despite offering some of the most punitive and complicated fiscal terms worldwide, a near certainty that taxes will rise in the future and state oil company control of the join ventures' operating committees, oil investors of all sizes cannot keep away. The third marginal field reactivation round, launched late last year attracted a staggering 259 companies, both foreign and local, which prequalified to bid. (Author)

  20. Determination of the Prosumer's Optimal Bids

    Science.gov (United States)

    Ferruzzi, Gabriella; Rossi, Federico; Russo, Angela

    2015-12-01

    This paper considers a microgrid connected with a medium-voltage (MV) distribution network. It is assumed that the microgrid, which is managed by a prosumer, operates in a competitive environment and participates in the day-ahead market. Then, as the first step of the short-term management problem, the prosumer must determine the bids to be submitted to the market. The offer strategy is based on the application of an optimization model, which is solved for different hourly price profiles of energy exchanged with the main grid. The proposed procedure is applied to a microgrid and four different its configurations were analyzed. The configurations consider the presence of thermoelectric units that only produce electricity, a boiler or/and cogeneration power plants for the thermal loads, and an electric storage system. The numerical results confirmed the numerous theoretical considerations that have been made.

  1. 77 FR 20413 - Notice of Realty Action: Modified Competitive, Sealed-Bid Sale of Public Land in Clark County, NV

    Science.gov (United States)

    2012-04-04

    ...)(1)(i), a designated bidder is offered the right to meet the highest bid. Refusal or failure to meet... and the bid guarantee. Sealed bid envelopes must be clearly marked on the front lower left corner with ``Sealed Bid, BLM Land Sale, N-90450.'' The sealed bid envelope must contain the $20,000 bid guarantee, the...

  2. Evaluering af Grøn Livsstil

    DEFF Research Database (Denmark)

    Hoffmann, Birgitte; Agger, Annika Heilskov

    1998-01-01

    :  the potential of change of the initiatives;  the development of the campaign, and  the strategies and organisation of the Danish campaign. The evaluation comprised of large number of qualitative interview and collects important knowledge of organising local processes of change......Evaluations of the Danish part of the International Campaign Green Action Plan (Grøn Livsstil). 'Grøn Livsstil' aims at qualifying and supporting individuals and families to take action in order to change their households towards sustainability. The evaluation focused on qualitative aspects such as...

  3. Psyken er en grænseflade

    DEFF Research Database (Denmark)

    Hoffmeyer, Jesper

    2011-01-01

    En computer er i sig selv blot et stykke mekanik. Det afgørende sker i mødet mellem maskinen, mennesker og fællesskaber: på grænsefladen. Præcis som hos levende væsner......En computer er i sig selv blot et stykke mekanik. Det afgørende sker i mødet mellem maskinen, mennesker og fællesskaber: på grænsefladen. Præcis som hos levende væsner...

  4. The generic Gröbner walk

    DEFF Research Database (Denmark)

    Jensen, Anders Nedergaard; Lauritzen, Niels; Fukuda, Komei

    2005-01-01

    perturbation of this line. This usually involves both time and space demanding arithmetic of integers much larger than the input numbers. In this paper we show how the explicit line may be replaced by a formal line using Robbiano's characterization of group orders on . This gives rise to the generic Gröbner...... walk involving only Gröbner basis conversion over facets and computations with marked polynomials. The infinite precision integer arithmetic is replaced by term order comparisons between (small) integral vectors. This makes it possible to compute with infinitesimal numbers and perturbations...

  5. Economic evaluation of bids for nuclear power plants. 1999 edition

    International Nuclear Information System (INIS)

    2000-01-01

    The introduction of a nuclear power plant (NPP) in a country is a major undertaking for all entities involved. The necessary planning work and co-ordination of the different fields of interest, from the point of view of governments, authorities, industries, universities and of the general public, must be done on a long term basis. This IAEA report may help support the work of the utility in the bidding process, especially in the economic bid evaluation. The different methods, aspects and parameters described should be regarded as a guide. The report's target criterion of lowest levelised discounted electricity generation costs (LDEGC) is a very useful and practical way of ranking bids. In view of the huge investment needed, the owner's country must be fully committed to a nuclear programme. A nuclear programme also requires a guarantee of long term financing, which implies the provision of local and foreign contributions. The necessary staff for all of the various areas of a nuclear programme must be recruited and trained. Within the planning phase, the bid invitation specification (BIS) has to be prepared and sent out in order to receive bids for the scope of supply and services desired by the owner. The evaluation of the bids received from the suppliers in response to the BIS is a huge and long-term task. The evaluation process should lead to the selection of the best bidder and at least to the final decision on the partners constructing the NPP. The responsibility for the entire bidding process lies with the plant owner. For technology transfer, two requirements need to be satisfied: the owner needs a well established and experienced engineering capability, and the supplier must be ready to transfer the agreed technology in such a way as to support the project goals. During the bid evaluation process, all aspects of the technical, financial and contractual approaches must be considered. Nowadays, political, socioeconomic and public acceptance aspects play a

  6. The Committee System for Competitive Bids in Local Government

    Directory of Open Access Journals (Sweden)

    P Bolton

    2009-07-01

    Full Text Available When a municipality contracts for goods or services, it must make use of competitive bidding / a public call for tenders for contracts over R200 000 as well as for long term contracts. A competitive bidding process generally consists of different stages, for example, compiling bid specifications, advertising the bid, the receipt and evaluation of bids, and the award and implementation of the contract. The Municipal Supply Chain Management Regulations require a municipality’s Supply Chain Management Policy to provide for a committee system to oversee the different stages. Such committee system must, moreover, consist of at least a bid specification committee, a bid evaluation committee and a bid adjudication committee. Until recently, little attention has been given by the courts to the roles and composition of the different committees in the committee system. It is only after government, and in particular, municipalities have begun to implement the committee system in their procurement processes that it is evident that problems are arising. In recent months, the courts have increasingly had to deal with issues pertaining to the implementation of the committee system.In this article, the relevant legislative provisions on the committee system for competitive bids in local government are discussed. The functions of each committee are explained and all the cases that have thus far involved the implementation of the committee system are critically analysed. Much attention is given to the cases since they serve as a warning to municipalities to uphold and comply with the rules relating to the roles and composition of the different committees. The cases illustrate how important it is for municipalities to ensure that the different committees are properly constituted and that decisions at meetings are properly taken. They also highlight the importance of the supervisory role of the municipal manager over the different committees. In light of the

  7. Economic evaluation of bids for nuclear power plants

    International Nuclear Information System (INIS)

    1976-01-01

    The purpose of the guidebook is to assist an organisation responsible for a nuclear power project in evaluating and establishing an economic order of merit among competing bids. An approximate overall time schedule for a first nuclear power plant project is provided. A schematic outline of technical bid evaluation is given. The basic procedure of economic bid evaluation is outlined, e.g. evaluation of the present worth of all cost items of plant capital investment, of the nuclear cycle, of O and M costs (operation and maintenance costs), and of economic corrections. All these cost items are evaluated for the economic life of the plant and corrected for escalation where applicable

  8. Competitive bidding for independent power: developments in the United States

    International Nuclear Information System (INIS)

    Kliman, M.

    1995-01-01

    In the United States electric utilities are using competitive bidding programs to procure power supplies from non-utility generators and, in some cases, to establish contracts with energy service companies for the implementation of demand-side management projects. Such programs are viewed as a path to efficient contracts in the private power industry. But bidding programs are complex, subject to pitfalls, and are developing very quickly. This paper reports on that development as of the early 1990s and, as an illustration, briefly describes and analyzes the bidding program of an electric utility in the State of New York. (author). 2 tabs

  9. Model of the static universe within GR

    International Nuclear Information System (INIS)

    Karbanovski, V. V.; Tarasova, A. S.; Salimova, A. S.; Bilinskaya, G. V.; Sumbulov, A. N.

    2011-01-01

    Within GR, the problems of the Robertson-Walker universe are discussed. The approach based on transition to a nondiagonal line element is suggested. Within the considered approach, the static universe model is investigated. The possibility of constructing scenarios without an initial singularity and “exotic” matter is discussed. Accordance of the given model to the properties of the observable universe is discussed.

  10. 48 CFR 52.214-5 - Submission of Bids.

    Science.gov (United States)

    2010-10-01

    ... authorized by the solicitation. (e) Bids submitted by electronic commerce shall be considered only if the electronic commerce method was specifically stipulated or permitted by the solicitation. (End of provision...

  11. 48 CFR 14.301 - Responsiveness of bids.

    Science.gov (United States)

    2010-10-01

    ... conditions that do not vary from the terms and conditions of the invitation. (e) Bids submitted by electronic commerce shall be considered only if the electronic commerce method was specifically stipulated or...

  12. Hiding information in open auctions with jump bids

    Czech Academy of Sciences Publication Activity Database

    Ettinger, D.; Michelucci, Fabio

    2016-01-01

    Roč. 126, č. 594 (2016), s. 1484-1502 ISSN 0013-0133 Institutional support: RVO:67985998 Keywords : hiding information * open auctions * jump bids Subject RIV: AH - Economics Impact factor: 2.608, year: 2016

  13. Engineer’s estimate reliability and statistical characteristics of bids

    Directory of Open Access Journals (Sweden)

    Fariborz M. Tehrani

    2016-12-01

    Full Text Available The objective of this report is to provide a methodology for examining bids and evaluating the performance of engineer’s estimates in capturing the true cost of projects. This study reviews the cost development for transportation projects in addition to two sources of uncertainties in a cost estimate, including modeling errors and inherent variability. Sample projects are highway maintenance projects with a similar scope of the work, size, and schedule. Statistical analysis of engineering estimates and bids examines the adaptability of statistical models for sample projects. Further, the variation of engineering cost estimates from inception to implementation has been presented and discussed for selected projects. Moreover, the applicability of extreme values theory is assessed for available data. The results indicate that the performance of engineer’s estimate is best evaluated based on trimmed average of bids, excluding discordant bids.

  14. Invitation and Evaluation of Bids for Nuclear Power Plants

    International Nuclear Information System (INIS)

    2011-01-01

    This publication emphasizes the integrity and interdependence of various activities related to the bid invitation, technical and economic evaluation and contracting, it updates information included in the existing IAEA documents in order to better reflect the developments in the nuclear and energy industry, compiles a more compact and user friendly guidebook integrating the existing IAEA documents on the subject. It provides the necessary information to organize, guide and realize the activities related to the invitation, the technical and economic evaluation of bids, and contracting as an integrated process. Furthermore, this publication indicates how and to what degree the activities preceding the preparation of the bid invitation specification, the evaluation of bids and contracting could influence the process.

  15. Hiding information in open auctions with jump bids

    Czech Academy of Sciences Publication Activity Database

    Ettinger, D.; Michelucci, Fabio

    2016-01-01

    Roč. 126, č. 594 (2016), s. 1484-1502 ISSN 0013-0133 Institutional support: PRVOUK-P23 Keywords : hiding information * open auctions * jump bids Subject RIV: AH - Economics Impact factor: 2.608, year: 2016

  16. 25 CFR 163.17 - Deposit with bid.

    Science.gov (United States)

    2010-04-01

    ... submit a written request to have their bids considered for acceptance will be retained pending acceptance... damages available under applicable law or terms of the contract. (f) In the event of an administrative...

  17. Strategic bidding in electricity markets using particle swarm optimization

    International Nuclear Information System (INIS)

    Yucekaya, Ahmet D.; Valenzuela, Jorge; Dozier, Gerry

    2009-01-01

    Profit maximization for power companies is highly related to the bidding strategies used. In order to sell electricity at high prices and maximize profit, power companies need suitable bidding models that consider power operating constraints and price uncertainty within the market. In this paper, we present two particle swarm optimization (PSO) algorithms to determine bid prices and quantities under the rules of a competitive power market. The first method uses a conventional PSO technique to find solutions. The second method uses a decomposition technique in conjunction with the PSO approach. This new decomposition-based PSO dramatically outperforms the conventional form of PSO. We show that for nonlinear cost functions PSO solutions provide higher expected profits than marginal cost-based bidding. (author)

  18. Particle swarm optimization based optimal bidding strategy in an ...

    African Journals Online (AJOL)

    user

    A considerable amount of work has also been reported on the game theory applications ... probability distribution function (Song et al, 1999) and as a continuous ..... compared with GA and Monte Carlo method, therefore the bidding strategies.

  19. Financing power facilities in the competitive bidding environment

    International Nuclear Information System (INIS)

    Hills, A.L.

    1993-01-01

    In 1988 the Federal Energy Regulatory Commission (open-quote FERC close-quote) issued proposed rules and guidelines for the use of competitive bidding by state utility commissions to chose new power supplies. Since then, more than 20 states have implemented bidding programs to determine the price and sources of incremental generating capacity. This presentation discusses the impact of the use of competitive bidding on how landers and equity investors perceive the risks of project-supported financing arrangements and describes the actions that project developers have taken to adapt the project financing process to win bidding contests and as importantly, successfully obtain project financing in spite of the open-quotes credit crunchclose quotes market environment

  20. Common Agency and Coordinated Bids in Sponsored Search Auctions

    OpenAIRE

    Maris Goldmanis; Antonio Penta; Francesco Decarolis

    2012-01-01

    As auctions are becoming the main mechanism for selling advertisement space on the web, marketing agencies specialized in bidding in online auctions are proliferating. We analyze theoretically how bidding delegation to a common marketing agency can undermine both revenues and efficiency of the generalized second price auction, the format used by Google and Microsoft-Yahoo!. Our characterization allows us to quantify the revenue losses relative to both the case of full competition and the case...

  1. Wind power bidding in electricity markets with high wind penetration

    International Nuclear Information System (INIS)

    Vilim, Michael; Botterud, Audun

    2014-01-01

    Highlights: • We analyze the pricing systems and wind power trading in electricity markets. • We propose a model that captures the relation between market prices and wind power. • A probabilistic bidding model can increase profits for wind power producers. • Profit maximizing bidding strategies carry risks for power system operators. • We conclude that modifications of current market designs may be needed. - Abstract: Objective: The optimal day-ahead bidding strategy is studied for a wind power producer operating in an electricity market with high wind penetration. Methods: A generalized electricity market is studied with minimal assumptions about the structure of the production, bidding, or consumption of electricity. Two electricity imbalance pricing schemes are investigated, the one price and the two price scheme. A stochastic market model is created to capture the price effects of wind power production and consumption. A bidding algorithm called SCOPES (Supply Curve One Price Estimation Strategy) is developed for the one price system. A bidding algorithm called MIMICS (Multivariate Interdependence Minimizing Imbalance Cost Strategy) is developed for the two price system. Results: Both bidding strategies are shown to have advantages over the assumed “default” bidding strategy, the point forecast. Conclusion: The success of these strategies even in the case of high deviation penalties in a one price system and the implicit deviation penalties of the two price system has substantial implications for power producers and system operators in electricity markets with a high level of wind penetration. Practice implications: From an electricity market design perspective, the results indicate that further penalties or regulations may be needed to reduce system imbalance

  2. Optimal Bidding Strategy for Renewable Microgrid with Active Network Management

    Directory of Open Access Journals (Sweden)

    Seung Wan Kim

    2016-01-01

    Full Text Available Active Network Management (ANM enables a microgrid to optimally dispatch the active/reactive power of its Renewable Distributed Generation (RDG and Battery Energy Storage System (BESS units in real time. Thus, a microgrid with high penetration of RDGs can handle their uncertainties and variabilities to achieve the stable operation using ANM. However, the actual power flow in the line connecting the main grid and microgrid may deviate significantly from the day-ahead bids if the bids are determined without consideration of the real-time adjustment through ANM, which will lead to a substantial imbalance cost. Therefore, this study proposes a formulation for obtaining an optimal bidding which reflects the change of power flow in the connecting line by real-time adjustment using ANM. The proposed formulation maximizes the expected profit of the microgrid considering various network and physical constraints. The effectiveness of the proposed bidding strategy is verified through the simulations with a 33-bus test microgrid. The simulation results show that the proposed bidding strategy improves the expected operating profit by reducing the imbalance cost to a greater degree compared to the basic bidding strategy without consideration of ANM.

  3. Strategies in responding to a hostile takeover bid

    International Nuclear Information System (INIS)

    Shaw, R.

    1997-01-01

    This paper examines the steps to be taken by a corporation and its board in order to be properly prepared before a hostile takeover bid is made. The procedures and steps to be followed in responding to a bid with a view to maximizing value for shareholders are also outlined. Reasons why a company may become target for a hostile takeover bid are reviewed, followed by a more detailed examination of the responsibilities of a board in responding to a takeover bid. These responsibilities include the adoption of a shareholders' rights plan ('poison pill'), review of executive employment contracts, making sure that a corporate indemnification agreement and directors' and officers' liability insurance plan are in place, implementation of structural deterrents, investor communication plans, preparing the 'black book', creating or updating the list of 'white knights', designating a data room, entering into confidentiality agreements with white knights, preparation of a response timetable, review of recent takeover bids, strategies for dealing with hostile bidders, strategies for enticing one or more a white knights to enter the bidding. Sample copy of a confidentiality agreement is contained in Schedule A. A list of break-up fees in recent Canadian mergers and acquisitions transactions is provided in Schedule B. 24 refs

  4. Strategic bidding for wind power producers in electricity markets

    International Nuclear Information System (INIS)

    Sharma, Kailash Chand; Bhakar, Rohit; Tiwari, H.P.

    2014-01-01

    Highlights: • Game theoretic bidding strategy approach developed to optimize wind power producers bids. • Rival behavior modeled through Stochastic Cournot model. • Location based dual imbalance price mechanism proposed to obtain imbalance charges. • Proposed approach evaluated using two realistic case studies. • Proposed approach increases profit of strategic wind power producers significantly. - Abstract: In evolving electricity markets, wind power producers (WPPs) would increase their profit through strategic bidding. However, generated power by WPPs is highly random, which may result into heavy imbalance charges. In markets dominated by wind generators, they would optimize their offered bids, considering rival behavior. In oligopolistic day-ahead electricity markets, this strategic behavior can be represented as a Stochastic Cournot model. Wind uncertainty is represented by scenarios generated using Auto Regressive Moving Average (ARMA) model. With a consideration of wind power uncertainty and imbalance charges, strategic WPPs can maximize their expected payoff or profit through the proposed Nash equilibrium based bidding strategy. Nash equilibrium is obtained using payoff matrix approach. Proposed approach is evaluated on two realistic case studies considering different technical constraints. Obtained results shows that proposed bidding strategy mechanism offers quantum increase in profit for WPPs, when their behavior is modeled in a game theoretic framework. Flexibility of approach offers opportunities for its extension to associated challenges

  5. The U.S. Agency-Level Bid Protest Mechanism: A Model for Bid Challenge Procedures in Developing Nations

    National Research Council Canada - National Science Library

    Troff, Erik A

    2005-01-01

    ... comply with established procurement rules. The decisive question for a developing nation is which of the available structural options best integrates the essential elements of an effective bid protest system in the context of existing legal...

  6. Den grønlandske forbindelse

    DEFF Research Database (Denmark)

    Jacobsen, Marc

    2016-01-01

    Danmarks tilstedeværelse i Arktis er helt og aldeles afhængig af, at rigsfællesskabet består. Uden Grønland ville Danmark miste muligheden for at sidde til højbords med USA, Rusland og Canada. En mulighed som, Danmarks størrelse taget i betragtning, er helt unik og af uvurderlig betydning for Dan...... for Danmarks plads i det globale hierarki. Det er derfor alfa og omega, at Danmark fortsat plejer forholdet til Grønland med stor omhu, og at eventuelle uenigheder mellem Nuuk og København bliver taget seriøst og behandlet med stor, gensidig respekt...

  7. Improve The Capacity Of Competition About The Financial In The Bid Construction

    Directory of Open Access Journals (Sweden)

    Xuan Nam Chu

    2017-10-01

    Full Text Available According to experts enhancing competitiveness is an important solution for enterprises to build competitive capacity in bidding deciding the majority of win or lose in bidding. A good contractor can be eliminated in the first round because the bid does not meet the requirements of the investor. In order to have a good quality of bids enterprises should pay attention to the following tasks organizing the preparation of bidding dossiers setting the bidding prices selecting the optimum construction methods and work implementation plans. after bidding. Improving the quality of the bid preparation process should start from improving the quality of the staff in charge of bidding. At present the experience of bidding of many enterprises is limited especially the experience of working with foreign investors. Therefore businesses need to build a team of qualified professionals in the field of bidding. The training and professional fostering in this field should be carried out annually. They focus on foreign languages informatics knowledge of law and knowledge on international bidding. This is considered important preparatory steps that enterprises want to improve their competitiveness when participating in bidding especially participation in bidding packages using international donors and bidding packages cannot ignore it.

  8. Economic Analysis of the Greenland Inland Traverse (GrIT)

    Science.gov (United States)

    2016-06-01

    fuel and cargo based on data from the 2012 and 2014 seasons. DISCLAIMER: The contents of this report are not to be used for advertising ...GrIT compared with airlift ....................................................................... 24 13 Fuel consumed by GrIT12 and GrIT14 compared...objective was to identify and quantify, insofar as possible, the component costs of the GrIT and airlift resupply modes. In effect , we sought to link

  9. What's Values Got to Do with It? Thriving among Mexican/Mexican American College Students

    Science.gov (United States)

    Morgan Consoli, Melissa L.; Llamas, Jasmín; Consoli, Andrés J.

    2016-01-01

    The authors examined traditional Mexican/Mexican American and perceived U.S. mainstream cultural values as predictors of thriving. One hundred twenty-four (37 men, 87 women) self-identified Mexican/Mexican American college students participated in the study. The traditional Mexican/Mexican American cultural values of family support and religion…

  10. Mexican Folkart for Children.

    Science.gov (United States)

    Dominguez, Graciela; And Others

    Directions, suggested materials, and illustrations are given for making paper mache pinatas and masks, cascarones, Ojos de Dios, maracas, dresser scarf embroidery, burlap murals, yarn designs, paper plate trays, paper cut designs, the poppy, sarape aprons, and paper Mexican dolls. Filled with candy and broken, the pinata is used on most Mexican…

  11. Mexican Identification. Project Mexico.

    Science.gov (United States)

    Castellano, Rita

    This document presents an outline and teacher's guide for a community college-level teaching module in Mexican identification, designed for students in introductory courses in the social sciences. Although intended specifically for cultural anthropology, urban anthropology, comparative social organization and sex roles in cross-cultural…

  12. Mesurar la creativitat en disseny gràfic

    OpenAIRE

    Ayala Pérez, José

    2013-01-01

    En aquesta investigació es construeix un marc conceptual, on s'integra la creativitat i el disseny gràfic. S'introdueix el model tridimensional de la creativitat en el disseny gràfic, on la creativitat és disertada en tres dimensions, novetat, comunicació i estètica. Basat en el model tridimensional de la creativitat en Disseny Gràfic, es construeix un instrument per poder mesurar la creativitat d'un disseny gràfic. L'instrument va ser administrat a 115 dissenyadors gràfics del Col · legi de ...

  13. DOE to accept bids for Elk Hills crude

    International Nuclear Information System (INIS)

    Anon.

    1992-01-01

    This paper reports that the Department of Energy will accept bids in a reoffering sale covering 53,400 b/d of Elk Hills field oil but later may exercise an option to cut sales volumes and ship 20,000 b/d to Strategic Petroleum Reserve sites in Texas. DOE rejected all 19 bids submitted in an earlier semiannual sale of crude oil from the California naval petroleum reserve, saying they were too low. DOE the, The unique combination of federal and state government policies affecting the movement of oil into and out of the California market has contributed to a situation in which it apparently is very difficult for the government to receive a price for Elk Hills oil that satisfies the minimum price tests that govern the sale of Elk Hills oil. The 12 winning bids in the reoffering sale averaged $13.58/bbl, with bids for the higher quality Stevens zone crude averaging $13.92/bbl, about 67 cents/bbl higher than bids rejected last month. DOE the 20,000 b/d is all local pipelines can ship to the interstate All-American pipeline for transfer to Texas beginning in June

  14. Rationality, irrationality and escalating behavior in lowest unique bid auctions.

    Science.gov (United States)

    Radicchi, Filippo; Baronchelli, Andrea; Amaral, Luís A N

    2012-01-01

    Information technology has revolutionized the traditional structure of markets. The removal of geographical and time constraints has fostered the growth of online auction markets, which now include millions of economic agents worldwide and annual transaction volumes in the billions of dollars. Here, we analyze bid histories of a little studied type of online auctions--lowest unique bid auctions. Similarly to what has been reported for foraging animals searching for scarce food, we find that agents adopt Lévy flight search strategies in their exploration of "bid space". The Lévy regime, which is characterized by a power-law decaying probability distribution of step lengths, holds over nearly three orders of magnitude. We develop a quantitative model for lowest unique bid online auctions that reveals that agents use nearly optimal bidding strategies. However, agents participating in these auctions do not optimize their financial gain. Indeed, as long as there are many auction participants, a rational profit optimizing agent would choose not to participate in these auction markets.

  15. Rationality, irrationality and escalating behavior in lowest unique bid auctions.

    Directory of Open Access Journals (Sweden)

    Filippo Radicchi

    Full Text Available Information technology has revolutionized the traditional structure of markets. The removal of geographical and time constraints has fostered the growth of online auction markets, which now include millions of economic agents worldwide and annual transaction volumes in the billions of dollars. Here, we analyze bid histories of a little studied type of online auctions--lowest unique bid auctions. Similarly to what has been reported for foraging animals searching for scarce food, we find that agents adopt Lévy flight search strategies in their exploration of "bid space". The Lévy regime, which is characterized by a power-law decaying probability distribution of step lengths, holds over nearly three orders of magnitude. We develop a quantitative model for lowest unique bid online auctions that reveals that agents use nearly optimal bidding strategies. However, agents participating in these auctions do not optimize their financial gain. Indeed, as long as there are many auction participants, a rational profit optimizing agent would choose not to participate in these auction markets.

  16. Optimal bidding strategies for competitive generators and large consumers

    International Nuclear Information System (INIS)

    Fushuan Wen; David, A.K.

    2001-01-01

    There exists the potential for gaming such as strategic bidding by participants (power suppliers and large consumers) in a deregulated power market, which is more an oligopoly than a laissez-faire market. Each participant can increase his or her own profit through strategic bidding but this has a negative effect on maximising social welfare. A method to build bidding strategies for both power suppliers and large consumers in a poolco-type electricity market is presented in this paper. It is assumed that each supplier/large consumer bids a linear supply/demand function, and the system is dispatched to maximise social welfare. Each supplier/large consumer chooses the coefficients in the linear supply/demand function to maximise benefits, subject to expectations about how rival participants will bid. The problem is formulated as a stochastic optimisation problem, and solved by a Monte Carlo approach. A numerical example with six suppliers and two large consumers serves to illustrate the essential features of the method. (author)

  17. BID links ferroptosis to mitochondrial cell death pathways

    Directory of Open Access Journals (Sweden)

    Sandra Neitemeier

    2017-08-01

    Full Text Available Ferroptosis has been defined as an oxidative and iron-dependent pathway of regulated cell death that is distinct from caspase-dependent apoptosis and established pathways of death receptor-mediated regulated necrosis. While emerging evidence linked features of ferroptosis induced e.g. by erastin-mediated inhibition of the Xc- system or inhibition of glutathione peroxidase 4 (Gpx4 to an increasing number of oxidative cell death paradigms in cancer cells, neurons or kidney cells, the biochemical pathways of oxidative cell death remained largely unclear. In particular, the role of mitochondrial damage in paradigms of ferroptosis needs further investigation.In the present study, we find that erastin-induced ferroptosis in neuronal cells was accompanied by BID transactivation to mitochondria, loss of mitochondrial membrane potential, enhanced mitochondrial fragmentation and reduced ATP levels. These hallmarks of mitochondrial demise are also established features of oxytosis, a paradigm of cell death induced by Xc- inhibition by millimolar concentrations of glutamate. Bid knockout using CRISPR/Cas9 approaches preserved mitochondrial integrity and function, and mediated neuroprotective effects against both, ferroptosis and oxytosis. Furthermore, the BID-inhibitor BI-6c9 inhibited erastin-induced ferroptosis, and, in turn, the ferroptosis inhibitors ferrostatin-1 and liproxstatin-1 prevented mitochondrial dysfunction and cell death in the paradigm of oxytosis. These findings show that mitochondrial transactivation of BID links ferroptosis to mitochondrial damage as the final execution step in this paradigm of oxidative cell death. Keywords: Ferroptosis, BID, Mitochondria, CRISPR, Oxytosis, Neuronal death

  18. Rationality, Irrationality and Escalating Behavior in Lowest Unique Bid Auctions

    Science.gov (United States)

    Radicchi, Filippo; Baronchelli, Andrea; Amaral, Luís A. N.

    2012-01-01

    Information technology has revolutionized the traditional structure of markets. The removal of geographical and time constraints has fostered the growth of online auction markets, which now include millions of economic agents worldwide and annual transaction volumes in the billions of dollars. Here, we analyze bid histories of a little studied type of online auctions – lowest unique bid auctions. Similarly to what has been reported for foraging animals searching for scarce food, we find that agents adopt Lévy flight search strategies in their exploration of “bid space”. The Lévy regime, which is characterized by a power-law decaying probability distribution of step lengths, holds over nearly three orders of magnitude. We develop a quantitative model for lowest unique bid online auctions that reveals that agents use nearly optimal bidding strategies. However, agents participating in these auctions do not optimize their financial gain. Indeed, as long as there are many auction participants, a rational profit optimizing agent would choose not to participate in these auction markets. PMID:22279553

  19. Issues in bidding for contracts for occupational therapy services.

    Science.gov (United States)

    Harms, S; Law, M

    2001-06-01

    There is an increasing number of occupational therapists in Canada who are involved in bidding for contracts to deliver occupational therapy services. Occupational therapists working in an institutional or community-based setting may not have had the responsibility of developing a proposal or a marketing plan for bidding purposes. However, the responsibility of developing a bid to compete for a service delivery contract often rests on occupational therapists who are sole practitioners in a private practice setting. The purpose of this paper is to highlight issues in the literature such as service delivery plans, marketing strategies and costing of services that can assist the occupational therapist in the development of a contractual bid. A specific clinical example, school therapy services, has been used to illustrate how these strategies can be applied to practice. Success in contractual bids appears to be primarily influenced by cost of the service, the expertise of the service provider, ability to provide coordinated care, ease of access for clients, and inclusion of methods to measure client outcome.

  20. Gõtter, Grãber und Gelehrte

    Directory of Open Access Journals (Sweden)

    Pedro Moacyr Campos

    1953-09-01

    Full Text Available CERAM, (C. W.. — Gõtter, Grãber und Gelehrte, Rowohlt Verlag, Hamburg.,  1951, 494 págs. (Primeiro Parágrafo do Artigo Bem merecido foi o sucesso encontrado pelo livro de Ceram, Gotter, Graber und Gelehrte, ("Deuses, túmulos e eruditos", que alcançou a cifra de 106.000 exemplares entre novembro de 1949 e março de 1951, continuando a ser reimpresso após esta data.

  1. Competitive bidding for OCS leases and environmental risk

    International Nuclear Information System (INIS)

    Englin, J.E.; Klan, M.S.

    1990-01-01

    In the last few years, the role of environment has become increasingly contentious in the process of competitive bidding for exploration and development rights of offshore petroleum leases in the outer continental shelf (OCS). Although an extensive literature exists on OCS leasing per se, relatively little work focuses on the role of environmental factors. This paper examines the effect on environmental risk on the number of firms (or joint ventures) entering bids for a given tract, which relates to the effective competition for the tracts. The next section outlines a theoretical model of bidding behavior under environmental risk. The third section presents the data used to estimate the model. The fourth section gives empirical results of an analysis of Sale No. 42, conducted in 1979 for Georges Bank in the North Atlantic. The last section provides concluding remarks

  2. Co-operative bidding of SMEs in health care sector.

    Science.gov (United States)

    Mezgár, István; Kovács, György; Bonfatti, Fabio

    2002-01-01

    Tendering become an important process for customers in the health care sector to select products and services from the market for the lowest price, with the highest quality and with the shortest delivery time. The number of SMEs (Small and Medium-sized Enterprises) delivering products or services for the health care sector is increasing, but they have usually limited capital and expertise to participate in tenders. The paper introduces a possible solution for this problem, when SMEs form special groups, so called Smart Bidding Organisations (SBO), to prepare a bid for the tender jointly. The SBO appears for the customer (tender issuer) as a single enterprise and the bidding procedure will be faster and less expensive in this way.

  3. Technical evaluation of bids for nuclear power stations

    International Nuclear Information System (INIS)

    Zijl, N.A. van

    1976-01-01

    A bid evaluation method is described which, it is claimed, facilitates a distinct and objective judgement of bids, taking into account the importance of the components, systems, and technical aspects evaluated with regard to the operation and safety of a nuclear power station. The evaluation basically consists of a cost assessment of the scope of supply deviations and a numerical evaluation of the technical design, the latter being a particularly novel feature of the method. The logic applied in both processes is shown. Main evaluation criteria which are applied for most components and systems are given as reliability, function and performance, safety, operation and maintenance, and materials. The judgements given to these evaluation criteria form the basis of the numerical bid evaluation described, which is carried out with the aid of computer programs. (U.K.)

  4. Applications of Classifying Bidding Strategies for the CAT Tournament

    Science.gov (United States)

    Gruman, Mark L.; Narayana, Manjunath

    In the CAT Tournament, specialists facilitate transactions between buyers and sellers with the intention of maximizing profit from commission and other fees. Each specialist must find a well-balanced strategy that allows it to entice buyers and sellers to trade in its market while also retaining the buyers and sellers that are currently subscribed to it. Classification techniques can be used to determine the distribution of bidding strategies used by all traders subscribed to a particular specialist. Our experiments showed that Hidden Markov Model classification yielded the best results. The distribution of strategies, along with other competition-related factors, can be used to determine the optimal action in any given game state. Experimental data shows that the GD and ZIP bidding strategies are more volatile than the RE and ZIC strategies. An MDP framework for determining optimal actions given an accurate distribution of bidding strategies is proposed as a motivator for future work.

  5. The Mexican market for electrical equipment and services

    International Nuclear Information System (INIS)

    Robinson, J.

    1994-05-01

    Most of Mexico's electric power needs are supplied by the Comision Federal de Electricidad (CFE). Total installed capacity is ca 33,000 MW, of which ca 42% comes from oil-fired generation and 26% hydroelectric. Electricity consumption is expected to grow at ca 6%/y between 1993 and 2000; to meet this demand, CFE plans to build nearly 14,000 MW of additional generating capacity to cost ca $34 billion. A new law governing the electric power sector recently privatized electrical project construction and provided for private financing. Construction of all larger generation and transmission projects has been privatized, thereby deregulating and simplifying the bidding process for Canadian firms wishing to bid, subcontract, or supply equipment or materials. The most notable opportunities for Canadian firms are in transmission projects. The Mexican electrical manufacturing industry comprises ca 2,000 firms employing 150,000 people. Branch plants of global firms plus domestic companies supply over 70% of market demand. Production of equipment and materials for the electrical sector is well integrated with suppliers and customers, and manufacturers are seeking imports to replace abandoned product lines as the industry rationalizes. These, along with more sophisticated equipment not made in Mexico, provide opportunities for Canadian suppliers. The North American Free Trade Agreement gives preference to Canadians over offshore competitors, and eliminates many barriers to exports. Canada's Export Development Corporation provides financing with a line of credit for the electrical sector. Marketing in Mexico is best done through personal visits and capable local representation. A directory of Mexican electrical manufacturers who import is appended. 1 tab

  6. Study on Comparison of Bidding and Pricing Behavior Distinction between Estimate Methods

    Science.gov (United States)

    Morimoto, Emi; Namerikawa, Susumu

    The most characteristic trend on bidding and pricing behavior distinction in recent years is the increasing number of bidders just above the criteria for low-price bidding investigations. The contractor's markup is the difference between the bidding price and the execution price. Therefore, the contractor's markup is the difference between criteria for low-price bidding investigations price and the execution price in the public works bid in Japan. Virtually, bidder's strategies and behavior have been controlled by public engineer's budgets. Estimation and bid are inseparably linked in the Japanese public works procurement system. The trial of the unit price-type estimation method begins in 2004. On another front, accumulated estimation method is one of the general methods in public works. So, there are two types of standard estimation methods in Japan. In this study, we did a statistical analysis on the bid information of civil engineering works for the Ministry of Land, Infrastructure, and Transportation in 2008. It presents several issues that bidding and pricing behavior is related to an estimation method (several estimation methods) for public works bid in Japan. The two types of standard estimation methods produce different results that number of bidders (decide on bid-no bid strategy) and distribution of bid price (decide on mark-up strategy).The comparison on the distribution of bid prices showed that the percentage of the bid concentrated on the criteria for low-price bidding investigations have had a tendency to get higher in the large-sized public works by the unit price-type estimation method, comparing with the accumulated estimation method. On one hand, the number of bidders who bids for public works estimated unit-price tends to increase significantly Public works estimated unit-price is likely to have been one of the factors for the construction companies to decide if they participate in the biddings.

  7. Bid process and contracting for remediation in New Mexico

    International Nuclear Information System (INIS)

    Fox, K.

    1994-01-01

    In an effort to provide cost effective and timely reclamation services to high priority leaking underground storage tank sites the New Mexico Environment Department has implemented a reclamation bidding process for qualified state contractors. The bid process was implemented in an attempt to make reclamation contractors more competitive and to encourage innovative technologies and contracting mechanisms. Overall the Bureau has received positive feedback from contractors participating in the process, especially regarding innovative technology and contracting. In addition, the process has provided excellent training for project managers and has allowed a critical review of the reclamation process for UST sites in general

  8. Models for electricity market efficiency and bidding strategy analysis

    Science.gov (United States)

    Niu, Hui

    This dissertation studies models for the analysis of market efficiency and bidding behaviors of market participants in electricity markets. Simulation models are developed to estimate how transmission and operational constraints affect the competitive benchmark and market prices based on submitted bids. This research contributes to the literature in three aspects. First, transmission and operational constraints, which have been neglected in most empirical literature, are considered in the competitive benchmark estimation model. Second, the effects of operational and transmission constraints on market prices are estimated through two models based on the submitted bids of market participants. Third, these models are applied to analyze the efficiency of the Electric Reliability Council Of Texas (ERCOT) real-time energy market by simulating its operations for the time period from January 2002 to April 2003. The characteristics and available information for the ERCOT market are considered. In electricity markets, electric firms compete through both spot market bidding and bilateral contract trading. A linear asymmetric supply function equilibrium (SFE) model with transmission constraints is proposed in this dissertation to analyze the bidding strategies with forward contracts. The research contributes to the literature in several aspects. First, we combine forward contracts, transmission constraints, and multi-period strategy (an obligation for firms to bid consistently over an extended time horizon such as a day or an hour) into the linear asymmetric supply function equilibrium framework. As an ex-ante model, it can provide qualitative insights into firms' behaviors. Second, the bidding strategies related to Transmission Congestion Rights (TCRs) are discussed by interpreting TCRs as linear combination of forwards. Third, the model is a general one in the sense that there is no limitation on the number of firms and scale of the transmission network, which can have

  9. Contaminated Mexican steel incident

    International Nuclear Information System (INIS)

    1985-01-01

    This report documents the circumstances contributing to the inadvertent melting of cobalt 60 (Co-60) contaminated scrap metal in two Mexican steel foundries and the subsequent distribution of contaminated steel products into the United States. The report addresses mainly those actions taken by US Federal and state agencies to protect the US population from radiation risks associated with the incident. Mexico had much more serious radiation exposure and contamination problems to manage. The United States Government maintained a standing offer to provide technical and medical assistance to the Mexican Government. The report covers the tracing of the source to its origin, response actions to recover radioactive steel in the United States, and return of the contaminated materials to Mexico. The incident resulted in significant radiation exposures within Mexico, but no known significant exposure within the United States. Response to the incident required the combined efforts of the Nuclear Regulatory Commission (NRC), Department of Energy, Department of Transportation, Department of State, and US Customs Service (Department of Treasury) personnel at the Federal level and representatives of all 50 State Radiation Control Programs and, in some instances, local and county government personnel. The response also required a diplomatic interface with the Mexican Government and cooperation of numerous commercial establishments and members of the general public. The report describes the factual information associated with the event and may serve as information for subsequent recommendations and actions by the NRC. 8 figures

  10. 48 CFR 614.402-70 - Waiver of public opening of bids.

    Science.gov (United States)

    2010-10-01

    ... of public opening of bids. Overseas posts may request waiver of the public opening of bids if that activity is inconsistent with local law or legal practice, or with post security. For that purpose, the...

  11. GrOW briefs: From research to policy | IDRC - International ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    2017-10-17

    Oct 17, 2017 ... ​For access to more GrOW findings and literature, visit the GrOW Research Series. Learn more about the GrOW program. What we do · Funding · Resources · About IDRC. Knowledge. Innovation. Solutions. Careers · Contact Us · Site map. Sign up now for IDRC news and views sent directly to your inbox ...

  12. Bidding Strategies in Agent-based Continuous Double Auctions

    NARCIS (Netherlands)

    H. Ma (Huiye); H.-F. Leung

    2008-01-01

    htmlabstractOnline auctions are a platform to trade goods on the Internet. In this context, negotiation capabilities for software agents in continuous double auctions (CDAs) are a central concern. Agents need to be able to prepare bids for and evaluate offers on behalf of the users they represent

  13. Supply curve bidding of electricity in constrained power networks

    International Nuclear Information System (INIS)

    Al-Agtash, Salem Y.

    2010-01-01

    This paper presents a Supply Curve Bidding (SCB) approach that complies with the notion of the Standard Market Design (SMD) in electricity markets. The approach considers the demand-side option and Locational Marginal Pricing (LMP) clearing. It iteratively alters Supply Function Equilibria (SFE) model solutions, then choosing the best bid based on market-clearing LMP and network conditions. It has been argued that SCB better benefits suppliers compared to fixed quantity-price bids. It provides more flexibility and better opportunity to achieving profitable outcomes over a range of demands. In addition, SCB fits two important criteria: simplifies evaluating electricity derivatives and captures smooth marginal cost characteristics that reflect actual production costs. The simultaneous inclusion of physical unit constraints and transmission security constraints will assure a feasible solution. An IEEE 24-bus system is used to illustrate perturbations of SCB in constrained power networks within the framework of SDM. By searching in the neighborhood of SFE model solutions, suppliers can obtain their best bid offers based on market-clearing LMP and network conditions. In this case, electricity producers can derive their best offering strategy both in the power exchange and the long-term contractual markets within a profitable, yet secure, electricity market. (author)

  14. Application of fuzzy mathematics in assessment of mine design bidding

    Energy Technology Data Exchange (ETDEWEB)

    Zhu Sen

    1988-12-01

    Assessment of mine design bidding is mainly to evaluate the quality of a mine design. The paper established a 3-stage model to assess quality of mine design using fuzzy criterion. A concept of assessment figures was proposed in the analysis of the results. Finally, a mine design was assessed. 2 refs., 2 figs., 1 tab.

  15. Sealed bid auctions with ambiguity: theory and experiments

    Czech Academy of Sciences Publication Activity Database

    Chen, Y.; Katuščák, Peter; Ozdenoren, E.

    2007-01-01

    Roč. 136, č. 1 (2007), s. 513-535 ISSN 0022-0531 R&D Projects: GA MŠk LC542 Institutional research plan: CEZ:MSM0021620846 Keywords : sealed bid auctions * ambiguity * experiment Subject RIV: AH - Economics Impact factor: 1.353, year: 2007

  16. Sealed bid auctions with ambiguity: an experimental study

    Czech Academy of Sciences Publication Activity Database

    Chen, Y.; Katuščák, Peter; Ozdenoren, E.

    -, č. 269 (2005), s. 1-75 ISSN 1211-3298 Institutional research plan: CEZ:AV0Z70850503 Keywords : sealed bid auctions * ambiguity * experiment Subject RIV: AH - Economics http://www.cerge-ei.cz/pdf/wp/Wp269.pdf

  17. Sealed-Bid Auction of Dutch Mussels : Statistical Analysis

    NARCIS (Netherlands)

    Kleijnen, J.P.C.; van Schaik, F.D.J.

    2007-01-01

    This article presents an econometric analysis of the many data on the sealed-bid auction that sells mussels in Yerseke town, the Netherlands. The goals of this analy- sis are obtaining insight into the important factors that determine the price of these mussels, and quantifying the performance of an

  18. Sealed-bid auction of Netherlands mussels: statistical analysis

    NARCIS (Netherlands)

    Kleijnen, J.P.C.; van Schaik, F.D.J.

    2011-01-01

    This article presents an econometric analysis of the many data on the sealed-bid auction that sells mussels in Yerseke town, the Netherlands. The goals of this analysis are obtaining insight into the important factors that determine the price of these mussels, and quantifying the performance of an

  19. Supply curve bidding of electricity in constrained power networks

    Energy Technology Data Exchange (ETDEWEB)

    Al-Agtash, Salem Y. [Hijjawi Faculty of Engineering; Yarmouk University; Irbid 21163 (Jordan)

    2010-07-15

    This paper presents a Supply Curve Bidding (SCB) approach that complies with the notion of the Standard Market Design (SMD) in electricity markets. The approach considers the demand-side option and Locational Marginal Pricing (LMP) clearing. It iteratively alters Supply Function Equilibria (SFE) model solutions, then choosing the best bid based on market-clearing LMP and network conditions. It has been argued that SCB better benefits suppliers compared to fixed quantity-price bids. It provides more flexibility and better opportunity to achieving profitable outcomes over a range of demands. In addition, SCB fits two important criteria: simplifies evaluating electricity derivatives and captures smooth marginal cost characteristics that reflect actual production costs. The simultaneous inclusion of physical unit constraints and transmission security constraints will assure a feasible solution. An IEEE 24-bus system is used to illustrate perturbations of SCB in constrained power networks within the framework of SDM. By searching in the neighborhood of SFE model solutions, suppliers can obtain their best bid offers based on market-clearing LMP and network conditions. In this case, electricity producers can derive their best offering strategy both in the power exchange and the long-term contractual markets within a profitable, yet secure, electricity market. (author)

  20. 48 CFR 252.247-7008 - Evaluation of bids.

    Science.gov (United States)

    2010-10-01

    ... other factors, the Contracting Officer will evaluate bids on the basis of advantages or disadvantages to... evaluation, the Contracting Officer will assume that the administrative cost to the Government for issuing... Government, including the administrative costs in paragraph (b)(1). (c) When drayage is necessary for the...

  1. 48 CFR 811.104-74 - Bid evaluation and award.

    Science.gov (United States)

    2010-10-01

    ... COMPETITION AND ACQUISITION PLANNING DESCRIBING AGENCY NEEDS Selecting and Developing Requirements Documents... offered products are clearly identified in the bid and are equal in all material respects to the products... brand name and make or model number, descriptive material, and any modifications of brand name products...

  2. Integrated Bidding and Operating Strategies for Wind-Storage Systems

    DEFF Research Database (Denmark)

    Ding, Huajie; Pinson, Pierre; Hu, Zechun

    2016-01-01

    Due to their flexible charging and discharging capabilities, energy storage systems (ESS) are considered a promising complement to wind farms (WFs) participating in electricity markets. This paper presents integrated day-ahead bidding and real-time operation strategies for a wind-storage system...

  3. 47 CFR 54.603 - Competitive bid requirements.

    Science.gov (United States)

    2010-10-01

    ... requester cannot obtain toll-free access to an Internet service provider; (iv) The requested service or... be sold, resold or transferred in consideration of money or any other thing of value; and (vi) If the.... (a) Competitive bidding requirement. To select the telecommunications carriers that will provide...

  4. Optimal generator bidding strategies for power and ancillary services

    Science.gov (United States)

    Morinec, Allen G.

    As the electric power industry transitions to a deregulated market, power transactions are made upon price rather than cost. Generator companies are interested in maximizing their profits rather than overall system efficiency. A method to equitably compensate generation providers for real power, and ancillary services such as reactive power and spinning reserve, will ensure a competitive market with an adequate number of suppliers. Optimizing the generation product mix during bidding is necessary to maximize a generator company's profits. The objective of this research work is to determine and formulate appropriate optimal bidding strategies for a generation company in both the energy and ancillary services markets. These strategies should incorporate the capability curves of their generators as constraints to define the optimal product mix and price offered in the day-ahead and real time spot markets. In order to achieve such a goal, a two-player model was composed to simulate market auctions for power generation. A dynamic game methodology was developed to identify Nash Equilibria and Mixed-Strategy Nash Equilibria solutions as optimal generation bidding strategies for two-player non-cooperative variable-sum matrix games with incomplete information. These games integrated the generation product mix of real power, reactive power, and spinning reserve with the generators's capability curves as constraints. The research includes simulations of market auctions, where strategies were tested for generators with different unit constraints, costs, types of competitors, strategies, and demand levels. Studies on the capability of large hydrogen cooled synchronous generators were utilized to derive useful equations that define the exact shape of the capability curve from the intersections of the arcs defined by the centers and radial vectors of the rotor, stator, and steady-state stability limits. The available reactive reserve and spinning reserve were calculated given a

  5. Procurement of construction services: a case study on bidding competition in Singapore public sector contracts

    Science.gov (United States)

    Oo, B. L.; Yan, Y.

    2018-04-01

    There are many variables that public clients need to consider in their bidding procedure to enhance efficiency in their procurement for construction services. This paper focusses on the competitive bidding process for public sector procurement of construction services in Singapore. A distinctive feature of the Singapore government competitive bidding process is that full bidding feedback information is released to all competing bidders (and public). The specific objectives are: (i) to examine the degree of competition in the construction markets; and (ii) to examine the bidding performance of competing bidders. Based on a collection of bidding data for a 15-month period, the results show the market environment of the Singapore public sector construction contracting is highly competitive with long bidder lists. In selection of contractors, only 50% of the contracts were awarded to lowest bidders. The results also show that the competing contractors can be broadly classified into three groups based on their bidding performance in terms of number of bidding attempts, bidding success rate and bidding competitiveness. These results provide a useful insight into the bidding competition in the Singapore public sector construction contracting, especially to new market entrants and foreign contractors who want to bid for jobs in Singapore.

  6. Elicited Bid Functions in a (a)Symmetric First-Price Auctions

    NARCIS (Netherlands)

    Pezanis-Christou, P.; Sadrieh, A.

    2003-01-01

    We report on a series of experiments that examine bidding behavior in first-price sealed bid auctions with symmetric and asymmetric bidders.To study the extent of strategic behavior, we use an experimental design that elicits bidders complete bid functions in each round (auction) of the

  7. 42 CFR 422.256 - Review, negotiation, and approval of bids.

    Science.gov (United States)

    2010-10-01

    ... 42 Public Health 3 2010-10-01 2010-10-01 false Review, negotiation, and approval of bids. 422.256... Information and Plan Approval § 422.256 Review, negotiation, and approval of bids. (a) Authority. Subject to... submitted under § 422.252 and conduct negotiations with MA organizations regarding these bids (including the...

  8. 47 CFR 1.2105 - Bidding application and certification procedures; prohibition of certain communications.

    Science.gov (United States)

    2010-10-01

    ....2110, a statement to that effect and a declaration, under penalty of perjury, that the applicant is... the post-auction market structure. (ix) Certification under penalty of perjury that it has not entered... amount of their bids, bidding strategies or the particular licenses on which they will or will not bid...

  9. 30 CFR 260.111 - What conditions apply to the bidding systems that MMS uses?

    Science.gov (United States)

    2010-07-01

    ... 30 Mineral Resources 2 2010-07-01 2010-07-01 false What conditions apply to the bidding systems that MMS uses? 260.111 Section 260.111 Mineral Resources MINERALS MANAGEMENT SERVICE, DEPARTMENT OF THE... What conditions apply to the bidding systems that MMS uses? (a) For each of the bidding systems in...

  10. 42 CFR 423.265 - Submission of bids and related information.

    Science.gov (United States)

    2010-10-01

    ... guidelines based on generally accepted actuarial principles. A qualified actuary must certify the plan's... member of the American Academy of Actuaries to be deemed qualified. Applicants may use qualified outside actuaries to prepare their bids. (d) Specific requirements for bids. The bid and supplemental information...

  11. 76 FR 20571 - Bidding by Affiliates in Open Seasons for Pipeline Capacity

    Science.gov (United States)

    2011-04-13

    ... bidding is inappropriate and, therefore, prohibited. \\9\\ Tenaska Marketing Ventures, et al., 126 FERC ] 61... multiple affiliates at a competitive disadvantage. In theory, a company could employ this strategy to the... submitting their bids. For example, a marketing arm of an energy company may bid to secure capacity for its...

  12. Game Theory Analysis of Bidding for A Construction Contract

    Science.gov (United States)

    Kembłowski, Marian W.; Grzyl, Beata; Siemaszko, Agata

    2017-10-01

    The authors are concerned with a bidding problem. There are two companies (P1 and P2) bidding for a highway construction project. In order to be more competitive, P1 considers buying a new gravel pit near the construction site. The basic cost of the pit is known to both companies. However, there is also an additional, hidden, cost (C) known only to P1. P2 is uncertain whether the hidden cost is C = 0 or C = x. P1 plans to bid for the job, but has to decide whether to buy the gravel pit. P2, not having a complete knowledge about C, thus not knowing the strategy choice of P1, has to decide if to bid for the job. In effect we have two payoff matrices, one for the additional cost C = 0, and the other one for C = x. If the probability of P2 bidding for the project can be estimated by propagating intelligence information through a Bayesian Belief Network, the best strategy for P1 can be readily determined. Otherwise, the solution calls for changing this game of incomplete information (players may or may not know some information about the other players, e.g., their “type,” their strategies, payoffs) into a game of imperfect information (players are simply unaware of the actions chosen by other players). This is achieved by introducing an additional “Nature” node which for this problem determines with some probability “p” the additional cost C= 0 (thus, C = x with probability 1-p). The solution of this game turns out to depend on the probability “p”. For some values of p the game is solved with pure strategies, whereas for other values the game is in equilibrium when the players randomly mix their strategies.

  13. Two New Sharp Ostrowski-Grüss Type Inequalities

    Directory of Open Access Journals (Sweden)

    Zheng Liu

    2013-11-01

    Full Text Available The purpose of this paper is to use a variant of the Grüss inequality to derive two new sharp Ostrowski-Grüss type inequalities related to a perturbed trapezoidal type rule and a perturbed generalized interior point rule, respectively, which provide improvements of some previous results in the literatures.

  14. Growth and Economic Opportunities for Women (GrOW) Frequently ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Alejandra

    GrOW will take a broad perspective on the types of questions and evidence on ... question; (2) set the outcome in the broader context of the underlying programme theory, ... Communications from the GrOW team with applicants during the ... There are specific criteria and application processes for this call that should be.

  15. Ungdomsselvmord og moderniseringsproblemer blandt inuit i Grønland

    DEFF Research Database (Denmark)

    Thorslund, Jørgen

    Undersøgelse fra Det grønlandske Forebyggelsesråds projekt vedrørende ungdomsselvmord, der ud fra kulturelle, sociale og psykologiske problemaspekter belyser årsagerne til selvmord blandt unge grønlændere og bringer forslag til forebyggelsesinitiativer, [...] der kan mindske antallet af selvmord....

  16. The impact of competitive bidding on the market prospects for renewable electric technologies

    Energy Technology Data Exchange (ETDEWEB)

    Swezey, B G

    1993-09-01

    This report examines issues regarding the ability of renewable-energy-based generation projects to compete fossil-fuel-based projects in competitive bidding solicitations. State and utility bidding results revealed that on a relative basis, utilities contract for less renewable-energy-based capacity under competitive bidding than under past methods of qualifying facility contracting. It was concluded that renewables are not being chosen more often under competitive bidding because it emphasizes price and operating considerations over other attributes of renewables, such as environmental considerations, fuel diversity, and fuel price stability. Examples are given of bidding approaches used by some states and utilities that have resulted in renewables-based projects winning generation bids. In addition, the appendix summarizes, by state, competitive bidding activities and results for supply-side solicitations that were open to all fuels and technologies.

  17. Mexican renewable electricity law

    Energy Technology Data Exchange (ETDEWEB)

    Ruiz-Mendoza, B.J.; Sheinbaum-Pardo, C. [Institute of Engineering of the National Autonomous University of Mexico, Circuito Exterior s/n, Edificio 12 Bernardo Quintana, Piso 3, Cubiculo 319, Ciudad Universitaria, Delegacion Coyoacan, CP 04510, Mexico D.F. (Mexico)

    2010-03-15

    Two renewable electricity bills have been proposed in Congress since 2005 in Mexico. The first one was rejected by the Senate and the second one was approved by both the House of Representatives and the Senate in October 2008. Our objective is to explain the nature of both bills and to analyze each of them bearing in mind the Mexican electricity sector management scheme. In the Mexican electricity sector single-buyer scheme, the state-owned companies (Comision Federal de Electricidad and Luz y Fuerza del Centro) are responsible of the public services and the private sector generates electricity under six modalities: self-supply, cogeneration, independent production, small production, export, and import, which are not considered a public service. This scheme has caused controversies related to the constitutionality of the 1992 Power Public Services Law that allowed this scheme to be implemented. Both bills, the rejected one and the approved one, were formulated and based on that controversial law and their objectives are linked precisely more to the controversial issues than to the promotion of renewable electricity technologies; consequently, the gap among environmental, economic and social issues related with sustainability notion is wider. (author)

  18. Mexican renewable electricity law

    International Nuclear Information System (INIS)

    Ruiz-Mendoza, B.J.; Sheinbaum-Pardo, C.

    2010-01-01

    Two renewable electricity bills have been proposed in Congress since 2005 in Mexico. The first one was rejected by the Senate and the second one was approved by both the House of Representatives and the Senate in October 2008. Our objective is to explain the nature of both bills and to analyze each of them bearing in mind the Mexican electricity sector management scheme. In the Mexican electricity sector single-buyer scheme, the state-owned companies (Comision Federal de Electricidad and Luz y Fuerza del Centro) are responsible of the public services and the private sector generates electricity under six modalities: self-supply, cogeneration, independent production, small production, export, and import, which are not considered a public service. This scheme has caused controversies related to the constitutionality of the 1992 Power Public Services Law that allowed this scheme to be implemented. Both bills, the rejected one and the approved one, were formulated and based on that controversial law and their objectives are linked precisely more to the controversial issues than to the promotion of renewable electricity technologies; consequently, the gap among environmental, economic and social issues related with sustainability notion is wider. (author)

  19. 78 FR 59055 - Notice of Realty Action: Modified Competitive Sealed-Bid Sale of Public Land at Schoolhouse Butte...

    Science.gov (United States)

    2013-09-25

    ..., offering designated bidders the right to meet the highest valid bid. Refusal or failure to meet the highest... checks will not be accepted. Sealed bid envelopes must be clearly marked on the lower left corner with ``SEALED BID BLM LAND SALE'' and the identification number ``BLM SERIAL NUMBER N-85116.'' The bid envelope...

  20. Visualidad del producto gráfico

    Directory of Open Access Journals (Sweden)

    Dr. José Luis Valero Sancho

    2002-01-01

    Full Text Available Los ojos son una de las vías de entrada de conocimientos más utilizadas por el ser humano, quizá una de las más importantes vías de acceso a la cultura. Pero pueden ser algo más que unos órganos al servicio del hombre, ya que tienen un funcionamiento propio que los hace vulnerables y pueden ser engañados y manipulados desde la apariencia o disposición visual de las cosas. ¿Qué es la visualidad? Según el Diccionario de la Real Academia Española, visual es lo perteneciente a la vista como instrumento o medio para ver y visualidad es el efecto agradable de los objetos vistosos que también pertenece a la vista. Por tanto, no debemos confundir visual con visualidad, pues el primero es el medio y el segundo el efecto que produce la utilización de los ojos y se desarrolla con la experiencia, porque consiste en reconocer y percibir algo que ya ha filtrado el órgano de la vista. ¿Cuándo los productos gráficos tienen visualidad? Cuando una información se explica mejor con estos productos icónicos y tipográficos, percibidos por la vista experta y educada para recibirlos.

  1. Pay-as-bid based reactive power market

    International Nuclear Information System (INIS)

    Amjady, N.; Rabiee, A.; Shayanfar, H.A.

    2010-01-01

    In energy market clearing, the offers are stacked in increasing order and the offer that intersects demand curve, determines the market clearing price (MCP). In reactive power market, the location of reactive power compensator is so important. A low cost reactive producer may not essentially be favorable if it is far from the consumer. Likewise, a high cost local reactive compensator at a heavily loaded demand center of network could be inevitably an alternative required to produce reactive power to maintain the integrity of power system. Given the background, this paper presents a day-ahead reactive power market based on pay-as-bid (PAB) mechanism. Generators expected payment function (EPF) is used to construct a bidding framework. Then, total payment function (TPF) of generators is used as the objective function of optimal power flow (OPF) problem to clear the PAB based market. The CIGRE-32 bus test system is used to examine the effectiveness of the proposed reactive power market.

  2. Process Document for the Conservation Competitive Bidding Pilot Program.

    Energy Technology Data Exchange (ETDEWEB)

    United States. Bonneville Power Administration.

    1990-09-01

    Bonneville Power Administration (Bonneville) is proposing to test competitive bidding for Conservation Resources to expand its existing resource acquisition capabilities. Competitive bidding may target specific types of electric end-uses or end-use sectors. It is a new acquisition approach through which Bonneville seeks to acquire resources that are not acquired through other existing or planned conservation programs. This proposal describes the conservation component of the all-source competitive acquisition approach that will be developed. It is expected that the combined resource acquisition effort will target about 100 average megawatts (aMW) as proposed in the 1990 Resource Program, although the exact amount has not yet been determined. Increasing the acquisition target will, to some extent, depend on whether the proposed pilot program is large enough to establish confidence in the approach.

  3. Pay-as-bid based reactive power market

    Energy Technology Data Exchange (ETDEWEB)

    Amjady, N. [Department of Electrical Engineering, Semnan University, Semnan (Iran, Islamic Republic of); Rabiee, A., E-mail: Rabiee@iust.ac.i [Center of Excellence for Power System Automation and Operation, Department of Electrical Engineering, Iran University of Science and Technology, Tehran (Iran, Islamic Republic of); Shayanfar, H.A. [Center of Excellence for Power System Automation and Operation, Department of Electrical Engineering, Iran University of Science and Technology, Tehran (Iran, Islamic Republic of)

    2010-02-15

    In energy market clearing, the offers are stacked in increasing order and the offer that intersects demand curve, determines the market clearing price (MCP). In reactive power market, the location of reactive power compensator is so important. A low cost reactive producer may not essentially be favorable if it is far from the consumer. Likewise, a high cost local reactive compensator at a heavily loaded demand center of network could be inevitably an alternative required to produce reactive power to maintain the integrity of power system. Given the background, this paper presents a day-ahead reactive power market based on pay-as-bid (PAB) mechanism. Generators expected payment function (EPF) is used to construct a bidding framework. Then, total payment function (TPF) of generators is used as the objective function of optimal power flow (OPF) problem to clear the PAB based market. The CIGRE-32 bus test system is used to examine the effectiveness of the proposed reactive power market.

  4. Bid Protests on DoD Source Selections

    Science.gov (United States)

    2017-06-13

    values, Government Accountability Office 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF 18. NUMBER a. REPORT b. ABSTRACT c. THIS PAGE ABSTRACT OF...Logistics (AT&L) closely monitors the Government Accountability Office (GAO) Bid Protest statistics for trends. These statistics combined with our trend...protests, cost claims, and requests for reconsideration. This report discusses protests only. The GAO reports case types by docket numbers (B-#) where

  5. Interconnected Power Systems Mexico-Guatemala financed by BID

    International Nuclear Information System (INIS)

    Martinez, Veronica

    2003-01-01

    The article describes the plans for the interconnection of the electric power systems of Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama and Mexico within the project Plan Pueba Panama. The objective of the interconnection is to create an electric market in the region that contributes to reduce costs and prices. The project will receive a financing of $37.5 millions of US dollars from the Banco Intrameramericano de Desarrollo (BID)

  6. BID links ferroptosis to mitochondrial cell death pathways.

    Science.gov (United States)

    Neitemeier, Sandra; Jelinek, Anja; Laino, Vincenzo; Hoffmann, Lena; Eisenbach, Ina; Eying, Roman; Ganjam, Goutham K; Dolga, Amalia M; Oppermann, Sina; Culmsee, Carsten

    2017-08-01

    Ferroptosis has been defined as an oxidative and iron-dependent pathway of regulated cell death that is distinct from caspase-dependent apoptosis and established pathways of death receptor-mediated regulated necrosis. While emerging evidence linked features of ferroptosis induced e.g. by erastin-mediated inhibition of the X c - system or inhibition of glutathione peroxidase 4 (Gpx4) to an increasing number of oxidative cell death paradigms in cancer cells, neurons or kidney cells, the biochemical pathways of oxidative cell death remained largely unclear. In particular, the role of mitochondrial damage in paradigms of ferroptosis needs further investigation. In the present study, we find that erastin-induced ferroptosis in neuronal cells was accompanied by BID transactivation to mitochondria, loss of mitochondrial membrane potential, enhanced mitochondrial fragmentation and reduced ATP levels. These hallmarks of mitochondrial demise are also established features of oxytosis, a paradigm of cell death induced by X c - inhibition by millimolar concentrations of glutamate. Bid knockout using CRISPR/Cas9 approaches preserved mitochondrial integrity and function, and mediated neuroprotective effects against both, ferroptosis and oxytosis. Furthermore, the BID-inhibitor BI-6c9 inhibited erastin-induced ferroptosis, and, in turn, the ferroptosis inhibitors ferrostatin-1 and liproxstatin-1 prevented mitochondrial dysfunction and cell death in the paradigm of oxytosis. These findings show that mitochondrial transactivation of BID links ferroptosis to mitochondrial damage as the final execution step in this paradigm of oxidative cell death. Copyright © 2017 The Authors. Published by Elsevier B.V. All rights reserved.

  7. Technical evaluation of bids for nuclear power plants

    International Nuclear Information System (INIS)

    1981-01-01

    In continuation of its efforts to provide comprehensive and impartial guidance to Member States facing the need to introduce nuclear power, the International Atomic Energy Agency is issuing this guidebook as part of a series of guidebooks and codes of practice and, in particular, as a necessary supplement to 'Economic Evaluation of Bids for Nuclear Power Plants: A Guidebook', published by the IAEA in 1976 as Technical Reports Series No.175. The present publication is intended for project managers and senior engineers of electric utilities who are concerned with the evaluation of bids for a nuclear power project. It assumes that the reader has a good knowledge of the technical characteristics of nuclear power plants and of nuclear power project implementation. Its purpose is to provide the information necessary to organize, guide and supervise the technical evaluation of bids for a nuclear power project. It goes without saying that the technical staff carrying out the evaluation must have prior technical experience which cannot be provided by a guidebook

  8. Gröbner bases statistics and software systems

    CERN Document Server

    2013-01-01

    The idea of the Gröbner basis first appeared in a 1927 paper by F. S. Macaulay, who succeeded in creating a combinatorial characterization of the Hilbert functions of homogeneous ideals of the polynomial ring. Later, the modern definition of the Gröbner basis was independently introduced by Heisuke Hironaka in 1964 and Bruno Buchberger in 1965. However, after the discovery of the notion of the Gröbner basis by Hironaka and Buchberger, it was not actively pursued for 20 years. A breakthrough was made in the mid-1980s by David Bayer and Michael Stillman, who created the Macaulay computer algebra system with the help of the Gröbner basis. Since then, rapid development on the Gröbner basis has been achieved by many researchers, including Bernd Sturmfels. This book serves as a standard bible of the Gröbner basis, for which the harmony of theory, application, and computation are indispensable. It provides all the fundamentals for graduate students to learn the ABC’s of the Gröbner basis, requiring no speci...

  9. Fossiler i Grønland. 2. del

    DEFF Research Database (Denmark)

    Harper, David Alexander Taylor; Lindow, Bent Erik Kramer

    2009-01-01

    Dette er anden og sidste del af POST Greenlands serie om fossiler i Grønland med tre frimærker, der beretter om de mange og spændende fossilfund fra Grønland. Mærkerne fortsætter vores rejse gennem nogle af nøglebegivenhederne i livets historie, smukt illustreret af endnu flere unikke fossiler....... Disse tre fossiler, en plante, et bløddyr og et hvirveldyr, er fra de yngre aflejringer i Grønland med aldre spændende fra for 200 millioner og indtil kun 8.000 år siden....

  10. Grúa para obras de gran altura

    Directory of Open Access Journals (Sweden)

    Hochtief, AG

    1961-12-01

    Full Text Available En las construcciones modernas donde las estructuras se extienden predominantemente en altura, caso corriente en los llamados rascacielos, entre los elementos auxiliares de obra se encuentra, en primer lugar, la grúa.

  11. Analysis of equilibrium about bidding strategy of suppliers with future contracts

    International Nuclear Information System (INIS)

    Yuan, Zhiqiang; Liu, Dong; Jiang, Chuanwen

    2007-01-01

    In this paper, the supply function model is employed to simulate the bidding strategy of suppliers in the power pool, and models of the supply function with future contracts are presented. It is proved that only one of the parameters between slope and intercept of the bidding curve is an independent variable in order to achieve definite equilibrium. In the meantime, the equilibria of the bidding strategy about suppliers are studied when different intercepts of the bidding curve are chosen. Some examples are employed to study the Nash equilibrium strategies of suppliers with different future contracts in various bidding strategy models. The results show that the equilibria are different in different bidding strategy models, but the future contracts can effectively make spot prices decrease in all the models

  12. Flere grøntsager og fuldkornsprodukter i skolemad

    DEFF Research Database (Denmark)

    Christensen, Lene Møller; Trolle, Ellen; Lassen, Anne Dahl

    2017-01-01

    Den mad, danske folkeskoleelever køber gennem deres skolers madordninger, indeholder generelt for lidt fuldkorn og for få grøntsager. DTU Fødevareinstituttet har undersøgt seks skolers indsats med f.eks. at bruge flere grøntsager i varme retter og sandwich og at vælge brød, pasta og ris med...

  13. High Bids and Low Recovery: A Possible Case for Non-Performing Loan Auctions in India

    OpenAIRE

    Pandey, Ashish

    2016-01-01

    This paper considers the possibility that the prices bid by asset reconstruction companies in India under a security receipt mechanism may not reflect the ultimate recoverable value of nonperforming loans. The paper establishes, using a model and simulations, that the price bid by asset reconstruction companies will reveal their own rational interest and can significantly exceed the recoverable value. The conclusions arrived in this paper raise concerns regarding the use of bids as an indicat...

  14. Which countries bid for the Olympic Games? Economic, political, and social factors and chances of winning

    OpenAIRE

    Maennig, Wolfgang; Vierhaus, Christopher

    2016-01-01

    This contribution analyzes 132 factors on their potential to discriminate countries bidding for hosting the Olympic Games from non-bidding countries. Our binary, clustered model using generalized estimating equations (GEE) shows that countries recording long-term economic growth and pursuing a liberalization and globalization policy will consider an Olympic bid. In addition, countries with an urban population above 10 million, with stable election results and an improvement in health standard...

  15. Overexpression of BID in thyroids of transgenic mice increases sensitivity to iodine-induced autoimmune thyroiditis

    Science.gov (United States)

    2014-01-01

    Background BID functions as a bridge molecule between death-receptor and mitochondrial related apoptotic pathways to amplify apoptotic signaling. Our previous studies have demonstrated a substantial increase in BID expression in primary normal thyroid epithelia cells treated with inflammatory cytokines, including the combination of IFNγ and IL-1β or IFNγ and TNFα. The aim of this study was to determine whether an increase in BID expression in thyroid can induce autoimmune thyroiditis. Methods A transgenic mouse line that expresses human BID in thyroid cells was established by fusing a mouse thyroglobulin (Tg) promoter upstream of human BID (Tg-BID). We tested whether the increased expression of pro-apoptotic BID in thyroid would induce autoimmune thyroiditis, both in the presence and absence of 0.3% iodine water. Results Our data show that Tg-BID mice in a CBA/J (H-2 k) background do not spontaneously develop autoimmune thyroiditis for over a year. However, upon ingestion of iodine in the drinking water, autoimmune thyroiditis does develop in Tg-BID transgenic mice, as shown by a significant increase in anti-Tg antibody and mononuclear cell infiltration in the thyroid glands in 30% of mice tested. Serum T4 levels, however, were similar between iodine-treated Tg-BID transgenic mice and the wild type mice. Conclusions Our data demonstrate that increased thyroid expression of BID facilitates the development of autoimmune thyroiditis induced by iodine uptake. However, the overexpression of BID itself is not sufficient to initiate thyroiditis in CBA/J (H-2 k) mice. PMID:24957380

  16. A multi-space model for Chinese bids evaluation with analyzing

    OpenAIRE

    Mao, Linfan

    2006-01-01

    A tendering is a negotiating process for a contract through by a tenderer issuing an invitation, bidders submitting bidding documents and the tenderer accepting a bidding by sending out a notification of award. As a useful way of purchasing, there are many norms and rulers for it in the purchasing guides of the World Bank, the Asian Development Bank, $...$, also in contract conditions of various consultant associations. In China, there is a law and regulation system for tendering and bidding....

  17. A Robust Open Ascending-price Multi-unit Auction Protocol against False-name Bids

    Science.gov (United States)

    Iwasaki, Atsushi; Yokoo, Makoto; Terada, Kenji

    This paper develops a new ascending-price multi-unit auction protocol that has following characteristics: (i) it has an open format, (ii) sincere bidding is an equilibrium strategy even if the marginal utilities of each agent can increase and agents can submit false-name bids. False-name bids are bids submitted under fictitious names such as multiple e-mail addresses, which can be done easily in the Internet. This is the first protocol that has these two characteristics. We show that our new protocol outperforms an existing protocol, which satisfies (ii), with respect to the social surplus and the seller's revenue.

  18. Winning PEMEX consulting contracts through international bidding : sharing a Canadian success strategy

    International Nuclear Information System (INIS)

    Lin, J.

    1999-01-01

    A series of brief notes and overhead viewgraphs accompanied this presentation which described how Enbridge Technology obtained a contract with Mexico's PEMEX Refining through an international open bid. The scope of the contract was to advise PEMEX on how to modernize and automate their national liquids pipeline system. The value of the contract was US$11.6 million. The time span was from April 1998 to October 1999. A flow chart was included which illustrated the typical international bidding process. Enbridge prepared their bid by paying attention to bid basis details and emphasized their technical qualifications. 1 fig

  19. El Arte Culinario Mexicano (Mexican Culinary Art).

    Science.gov (United States)

    Card, Michelle

    This unit in Mexican cooking can be used in Junior High School home economics classes to introduce students to Mexican culture or as a mini-course in Spanish at almost any level. It is divided into two parts. Part One provides historical background and information on basic foods, the Mexican market, shopping tips, regional cooking and customs.…

  20. The Race for Sponsored Links: Bidding Patterns for Search Advertising

    OpenAIRE

    Zsolt Katona; Miklos Sarvary

    2010-01-01

    Paid placements on search engines reached sales of nearly $11 billion in the United States last year and represent the most rapidly growing form of online advertising today. In its classic form, a search engine sets up an auction for each search word in which competing websites bid for their sponsored links to be displayed next to the search results. We model this advertising market, focusing on two of its key characteristics: (1) the interaction between the list of search results and the lis...

  1. Metalearning to support competitive electricity market players' strategic bidding

    DEFF Research Database (Denmark)

    Pinto, Tiago; Sousa, Tiago M.; Morais, Hugo

    2016-01-01

    a dynamic artificial neural network to create its own output, taking advantage on several learning algorithms already implemented in ALBidS (Adaptive Learning strategic Bidding System). The proposed metalearner considers different weights for each strategy, based on their individual performance......Electricity markets are becoming more competitive, to some extent due to the increasing number of players that have moved from other sectors to the power industry. This is essentially resulting from incentives provided to distributed generation. Relevant changes in this domain are still occurring...

  2. Solve the organ shortage: let the bidding begin!

    Science.gov (United States)

    Kevorkian, J

    2001-01-01

    Commercialization of transplantable human organs is the only sure way to end the crisis of their supply. This is best accomplished by implementing a free, non-profit, nationwide, ultimately global online auction market. It should be independent of the current United Network of Organ Sharing (UNOS) system dealing solely with altruistic donation, and of governmental, sectarian, academic, and other bureaucratic control. The operation of such an auction is described with a hypothetical example. An included provision guarantees equity for poor, uninsured, and indigent recipients. Money accrued can be substantial, and would be disbursed by established formula, with major portions going to donors' families and to special funds to be used to bid for the poor and to defray costs incurred by them. As the organ shortage eases, bid prices should drop, resulting perhaps in eventual altruistic donation. Objections to commericalization based on ethics, bodily sanctity, inequity, pecuniary greed, and the slippery slope tocsin are nullified by cogent arguments and examples. The current situation has worsened despite so-called required request laws, proposed token payments to cover funeral expenses for donor families, and extensive media advertising to spur altruistic donation. Prohibitive national and state laws must be rescinded for the sake of more than 60,000 patients now on lengthening waiting lists. A profession committed to saving lives is duty-bound to endorse, help implement, and participate in an auction system dedicated to that end.

  3. Comprehensive bidding strategies with genetic programming/finite state automata

    International Nuclear Information System (INIS)

    Richter, C.W. Jr.; Sheble, G.B.; Ashlock, D.

    1999-01-01

    This research is an extension of the authors' previous work in double auctions aimed at developing bidding strategies for electric utilities which trade electricity competitively. The improvements detailed in this paper come from using data structures which combine genetic programming and finite state automata termed GP-Automata. The strategies developed by the method described here are adaptive--reacting to inputs--whereas the previously developed strategies were only suitable in the particular scenario for which they had been designed. The strategies encoded in the GP-Automata are tested in an auction simulator. The simulator pits them against other distribution companies (distcos) and generation companies (gencos), buying and selling power via double auctions implemented in regional commodity exchanges. The GP-Automata are evolved with a genetic algorithm so that they possess certain characteristics. In addition to designing successful bidding strategies (whose usage would result in higher profits) the resulting strategies can also be designed to imitate certain types of trading behaviors. The resulting strategies can be implemented directly in on-line trading, or can be used as realistic competitors in an off-line trading simulator

  4. AIDS in Mexican prisons.

    Science.gov (United States)

    Olivero, J M; Roberts, J B

    1995-01-01

    The human rights organization Americas Watch, which toured Mexican prisons, reported in 1991 that all prisoners with HIV infection in the Mexico City area were housed in a single AIDS ward in Santa Marta Prison. In 1991, the 16-bed facility had 15 patients; in 1993, this number had increased by 5. In Mexico City, with 3 prisons holding over 2000 male adults each, there were only 20 known infected prisoners in the AIDS ward at Santa Marta. In 1991, authorities at Matamoros, in the state of Tamaulipas, insisted that none of their inmates had ever been diagnosed as infected with HIV. The prison physician at Reynosa indicated that only 2 inmates since 1985 had ever been diagnosed as infected. In 1992, the prison in Saltillo, in the state of Coahuila, reported that here had yet to be a single positive test for HIV. The prison at Reynosa held 1500 people and only 2 inmates were diagnosed as having AIDS between 1985 and 1991. Prisons at Matamoros and Saltillo held similar numbers but had no experience of infected inmates. A survey of 2 prisons in the state of Tamaulipas indicates that around 12% of the population may use IV drugs, and 9% indicate sharing needles. It is possible for prisoners to die of diseases like pneumonia, associated with AIDS, without the connection to AIDS being diagnosed. Each state, and possibly each prison in Mexico, has its own particular AIDS policies. Santa Marta was the single facility in Mexico City used to house AIDS-infected prisoners, who were segregated. Finally, the prison at Saltillo required all women entering the facility to have a medical examination, including a test for HIV. High-level prison personnel have demonstrated ignorance and fear of AIDS and intolerance of infected prisoners. Mexico must reassess the need to provide adequate medical care to offenders who are sick and dying behind bars.

  5. Mexican agencies reach teenagers.

    Science.gov (United States)

    Brito Lemus, R; Beamish, J

    1992-08-01

    The Gente Joven project of the Mexican Foundation for Family Planning (MEXFAM) trains young volunteers in 19 cities to spread messages about sexually transmitted diseases and population growth to their peers. They also distribute condoms and spermicides. It also uses films and materials to spread its messages. The project would like to influence young men's behavior, but the Latin image of machismo poses a big challenge. It would like to become more responsible toward pregnancy prevention. About 50% of adolescents have sexual intercourse, but few use contraceptives resulting in a high adolescent pregnancy rate. Many of these pregnant teenagers choose not to marry. Adolescent pregnancy leads to girls leaving school, few marketable skills, and rearing children alone. Besides women who began childbearing as a teenager have 1.5 times more children than other women. Male involvement in pregnancy prevention should improve these statistics. As late as 1973, the Health Code banned promotion and sales of contraceptives, but by 1992 about 50% of women of reproductive age use contraceptives. The Center for the Orientation of Adolescents has organized 8 Young Men's Clubs in Mexico City to involve male teenagers more in family planning and to develop self-confidence. It uses a holistic approach to their development through discussions with their peers. A MEXFAM study shows that young men are not close with their fathers who tend to exude a machismo attitude, thus the young men do not have a role model for responsible sexual behavior. MEXFAM's work is cut out for them, however, since the same study indicates that 50% of the young men believe it is fine to have 1 girlfriend and 33% think women should earn more than men. A teenager volunteer reports, however, that more boys have been coming to him for contraception and information than girls in 1992 while in other years girls outnumbered the boys.

  6. Existence and computation of equilibria of first-price auctions with integral valuations and bids

    DEFF Research Database (Denmark)

    Escamocher, Guillaume; Miltersen, Peter Bro; Santillan, Rocio

    2009-01-01

    We consider existence and computation of symmetric Pure Strategy Nash Equilibrium (PSNE) in single-item, sealed-bid, first-price auctions with integral valuations and bids. For the most general case, we show that existence of PSNE is NP-hard. Then, we present algorithmic results for the case...

  7. 48 CFR 52.214-10 - Contract Award-Sealed Bidding.

    Science.gov (United States)

    2010-10-01

    ... the solicitation, will be most advantageous to the Government considering only price and the price... quantity less than the quantity offered, at the unit prices offered, unless the bidder specifies otherwise in the bid. (d) A written award or acceptance of a bid mailed or otherwise furnished to the...

  8. 47 CFR 27.209 - Designated entities; bidding credits; unjust enrichment.

    Science.gov (United States)

    2010-10-01

    ... 47 Telecommunication 2 2010-10-01 2010-10-01 false Designated entities; bidding credits; unjust enrichment. 27.209 Section 27.209 Telecommunication FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) COMMON... 2305-2320 MHz and 2345-2360 MHz Bands § 27.209 Designated entities; bidding credits; unjust enrichment...

  9. 47 CFR 25.401 - Satellite DARS applications subject to competitive bidding.

    Science.gov (United States)

    2010-10-01

    ... 47 Telecommunication 2 2010-10-01 2010-10-01 false Satellite DARS applications subject to competitive bidding. 25.401 Section 25.401 Telecommunication FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) COMMON CARRIER SERVICES SATELLITE COMMUNICATIONS Competitive Bidding Procedures for DARS § 25.401...

  10. 47 CFR 80.1251 - Maritime communications subject to competitive bidding.

    Science.gov (United States)

    2010-10-01

    ... 47 Telecommunication 5 2010-10-01 2010-10-01 false Maritime communications subject to competitive... AND SPECIAL RADIO SERVICES STATIONS IN THE MARITIME SERVICES Competitive Bidding Procedures § 80.1251 Maritime communications subject to competitive bidding. Mutually exclusive initial applications for VPCSA...

  11. Implementation of the Takeover Bids Directive in the Netherlands : Chapter 12

    NARCIS (Netherlands)

    Cremers, Jan; van Het Kaar, R.H.; Cremers, Jan; Vitols, Sigurt

    2016-01-01

    Chapter dedicated to the Dutch implementation of EU Takeover Bids Directive. The case is particularly interesting because of the strong position of works councils within Dutch companies, including in restructuring situations. Implementation of the Takeover Bids Directive in the Netherlands did not

  12. 48 CFR 14.203-2 - Dissemination of information concerning invitations for bids.

    Science.gov (United States)

    2010-10-01

    ... 14.203-2 Dissemination of information concerning invitations for bids. Procedures concerning display... 48 Federal Acquisition Regulations System 1 2010-10-01 2010-10-01 false Dissemination of information concerning invitations for bids. 14.203-2 Section 14.203-2 Federal Acquisition Regulations System...

  13. Strategic Bidding in Multi-Unit Auctions with Capacity Constrained Bidders

    DEFF Research Database (Denmark)

    Schwenen, Sebastian

    2015-01-01

    This article employs a simple model to describe bidding behavior in multi-unit uniform price procurement auctions when firms are capacity constrained. Using data from the New York City procurement auctions for power generating capacity, I find that firms use simple bidding strategies to coordinate......'s capacities and its profits of undercutting increase....

  14. 30 CFR 260.110 - What bidding systems may MMS use?

    Science.gov (United States)

    2010-07-01

    ... 30 Mineral Resources 2 2010-07-01 2010-07-01 false What bidding systems may MMS use? 260.110 Section 260.110 Mineral Resources MINERALS MANAGEMENT SERVICE, DEPARTMENT OF THE INTERIOR OFFSHORE OUTER... MMS use? We will apply a single bidding system selected from those listed in this section to each...

  15. 30 CFR 285.222 - What does MMS do with my bid?

    Science.gov (United States)

    2010-07-01

    ... 30 Mineral Resources 2 2010-07-01 2010-07-01 false What does MMS do with my bid? 285.222 Section... Energy Leases Competitive Lease Award Process § 285.222 What does MMS do with my bid? (a) If sealed... any proposal submitted will be made by a panel composed of members selected by MMS. The details of the...

  16. The degree of rationality in actual bidding of hydropower at Nord Pool

    DEFF Research Database (Denmark)

    Alnæs, Erik Nicholas; Grøndahl, Roger; Fleten, Stein-Erik

    2013-01-01

    In deregulated electricity markets, power producers bid to sell tomorrow's generation in day-ahead auctions. We analyse bids submitted by three medium to large sized Norwegian reservoir hydropower producers over four two-week periods in 2011. Being price takers, the producers maximize their profits...

  17. Caspase-8 Binding to Cardiolipin in Giant Unilamellar Vesicles Provides a Functional Docking Platform for Bid

    DEFF Research Database (Denmark)

    Jalmar, Olivier; Franc¸ois-Moutal, Liberty; García-Sáez, Ana-Jesus

    2013-01-01

    Caspase-8 is involved in death receptor-mediated apoptosis in type II cells, the proapoptotic programme of which is triggered by truncated Bid. Indeed, caspase-8 and Bid are the known intermediates of this signalling pathway. Cardiolipin has been shown to provide an anchor and an essential activa...

  18. 47 CFR 22.228 - Cellular rural service area licenses subject to competitive bidding.

    Science.gov (United States)

    2010-10-01

    ... 47 Telecommunication 2 2010-10-01 2010-10-01 false Cellular rural service area licenses subject to... Procedures § 22.228 Cellular rural service area licenses subject to competitive bidding. Mutually exclusive initial applications for Cellular Rural Service Area licenses are subject to competitive bidding. The...

  19. 48 CFR 22.1014 - Delay over 60 days in bid opening or commencement of work.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 1 2010-10-01 2010-10-01 false Delay over 60 days in bid... ACQUISITION REGULATION SOCIOECONOMIC PROGRAMS APPLICATION OF LABOR LAWS TO GOVERNMENT ACQUISITIONS Service Contract Act of 1965, as Amended 22.1014 Delay over 60 days in bid opening or commencement of work. If a...

  20. 75 FR 13212 - Proposed Information Collection (Caution to Bidders-Bid Envelopes) Activity: Comment Request

    Science.gov (United States)

    2010-03-18

    ... (Caution to Bidders--Bid Envelopes) Activity: Comment Request AGENCY: Office of Acquisition and Logistics... comment in response to the notice. This notice solicits comments on the information needed to identify bid...: Under the PRA of 1995 (Public Law 104-13; 44 U.S.C. 3501-3521), Federal agencies must obtain approval...

  1. 47 CFR 24.717 - Bidding credits for licenses for frequency Block F.

    Science.gov (United States)

    2010-10-01

    ... 47 Telecommunication 2 2010-10-01 2010-10-01 false Bidding credits for licenses for frequency Block F. 24.717 Section 24.717 Telecommunication FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) COMMON....717 Bidding credits for licenses for frequency Block F. (a) Except with respect to licenses won in...

  2. Coordination of bidding strategies in day-ahead energy and spinning reserve markets

    International Nuclear Information System (INIS)

    Fushuan Wen; David, A.K.

    2002-01-01

    In this paper, the problem of building optimally coordinated bidding strategies for competitive suppliers in day-ahead energy and spinning reserve markets is addressed. It is assumed that each supplier bids 24 linear energy supply functions and 24 linear spinning reserve supply functions, one for each hour, into the energy and spinning reserve markets, respectively, and each market is cleared separately and simultaneously for all the 24 delivery hours. Each supplier makes decisions on unit commitment and chooses the coefficients in the linear energy and spinning reserve supply functions to maximise total benefits, subject to expectations about how rival suppliers will bid in both markets. Two different bidding schemes have been suggested for each hour, and based on them an overall coordinated bidding strategy in the day-ahead energy and spinning reserve market is then developed. Stochastic optimisation models are first developed to describe these two different bidding schemes and a genetic algorithm (GA) is then used to build the optimally coordinated bidding strategies for each scheme and to develop an overall bidding strategy for the day-ahead energy and spinning reserve markets. A numerical example is utilised to illustrate the essential features of the method. (Author)

  3. Grænsefeltet mellem psykoterapi og coachingpsykologi

    Directory of Open Access Journals (Sweden)

    Ole Michael Spaten

    2015-12-01

    Full Text Available This article marks boundaries between psychotherapy and coaching-psychology by discussing the prevailingarguments and definitions in the scientific community, which in different - but also comprehensive way -shows commonalities in relation to daily coaching-psychology practice. The article adds a short excursion torelated concepts such as counseling, consultation, mentoring and supervision; finally the concepts are offeredin four-sided boxes for a bid of distinctions and interfaces

  4. Gr/gr deletions on Y-chromosome correlate with male infertility: an original study, meta-analyses, and trial sequential analyses

    Science.gov (United States)

    Bansal, Sandeep Kumar; Jaiswal, Deepika; Gupta, Nishi; Singh, Kiran; Dada, Rima; Sankhwar, Satya Narayan; Gupta, Gopal; Rajender, Singh

    2016-02-01

    We analyzed the AZFc region of the Y-chromosome for complete (b2/b4) and distinct partial deletions (gr/gr, b1/b3, b2/b3) in 822 infertile and 225 proven fertile men. We observed complete AZFc deletions in 0.97% and partial deletions in 6.20% of the cases. Among partial deletions, the frequency of gr/gr deletions was the highest (5.84%). The comparison of partial deletion data between cases and controls suggested a significant association of the gr/gr deletions with infertility (P = 0.0004); however, the other partial deletions did not correlate with infertility. In cohort analysis, men with gr/gr deletions had a relatively poor sperm count (54.20 ± 57.45 million/ml) in comparison to those without deletions (72.49 ± 60.06), though the difference was not statistically significant (p = 0.071). Meta-analysis also suggested that gr/gr deletions are significantly associated with male infertility risk (OR = 1.821, 95% CI = 1.39-2.37, p = 0.000). We also performed trial sequential analyses that strengthened the evidence for an overall significant association of gr/gr deletions with the risk of male infertility. Another meta-analysis suggested a significant association of the gr/gr deletions with low sperm count. In conclusion, the gr/gr deletions show a strong correlation with male infertility risk and low sperm count, particularly in the Caucasian populations.

  5. mKikGR, a monomeric photoswitchable fluorescent protein.

    Directory of Open Access Journals (Sweden)

    Satoshi Habuchi

    Full Text Available The recent demonstration and utilization of fluorescent proteins whose fluorescence can be switched on and off has greatly expanded the toolkit of molecular and cell biology. These photoswitchable proteins have facilitated the characterization of specifically tagged molecular species in the cell and have enabled fluorescence imaging of intracellular structures with a resolution far below the classical diffraction limit of light. Applications are limited, however, by the fast photobleaching, slow photoswitching, and oligomerization typical for photoswitchable proteins currently available. Here, we report the molecular cloning and spectroscopic characterization of mKikGR, a monomeric version of the previously reported KikGR that displays high photostability and switching rates. Furthermore, we present single-molecule imaging experiments that demonstrate that individual mKikGR proteins can be localized with a precision of better than 10 nanometers, suggesting their suitability for super-resolution imaging.

  6. Stofmisbrugsbehandling blandt grønlændere i Danmark

    DEFF Research Database (Denmark)

    Baviskar, Siddhartha

    2016-01-01

    undersøgelsen af en forløbsanalyse af en udvalgt gruppe på 221 grønlændere over en 5-årig periode, 2007-2011. Denne gruppe ankom for første gang til Danmark i 2007 og opholdt sig i landet i alle årene til og med 2011. Dermed opnår vi viden om både graden af sårbarhed blandt grønlænderne på stofmisbrugsområdet...... målt i forhold til de øvrige danskere, og hvordan grønlændernes sårbarhed ændrer sig over tid i Danmark. Oplysninger vedrørende stofmisbrugsbehandling stammer fra Register over stofmisbrugere i behandling (SIB), som er et register over borgere, der gennem deres kommune er visiteret til behandling...

  7. Gründerzeit – Od skandalu do stylu

    OpenAIRE

    Jacek K. Knothe

    2017-01-01

    Przyjmuje się, iż architektura ‘okresu założycieli’ – ‘Grűnderzeit’ występowała w Niemczech w latach 1870-1920, to jest dłużej niż do zakończenia I wojny światowej stanowiącej swoistą cezurę XX wieku. Na terenie Polski, w miarę rozprzestrzeniania się przychodzącego z Europy postępu technicznego, styl Grűnderzeit następował pod koniec XIX wieku z niewielkim tylko opóźnieniem w stosunku do Niemiec, a wraz z nim jeszcze 12 stylów okresu historyzmu. Budynki z okresu Grűnderzeit, powszechnie obecn...

  8. Long Term Expected Revenue of Wind Farms Considering the Bidding Admission Uncertainty

    DEFF Research Database (Denmark)

    Bashi, Mazaher Haji; Yousefi, G.R.; Bak, Claus Leth

    2016-01-01

    in the long term expected revenue of wind farms. We show that this consideration could perfectly explain the observed bid shading behavior of wind farm owners. We use a novel market price model with a stochastic model of a wind farm to derive indices describing the uncertainty of bidding admission....... The optimal behavior of the wind farm is then obtained by establishing a multi objective optimization problem and subsequently solved using genetic algorithm. The method is applied to the analysis of long term bidding behavior of a wind farm participating in a Pay-as-Bid (PAB) auction such as Iran Electricity...... Market (IEM). The results demonstrate that wind farm owners change their bid shading behavior in a PAB Auction. However, the expected revenue of the wind farm will also decrease in a PAB auction. As a result, it is not recommended to make an obligation for the wind farms to participate in a PAB auction...

  9. Sequential bidding in day-ahead auctions for spot energy and power systems reserve

    International Nuclear Information System (INIS)

    Swider, Derk J.

    2005-01-01

    In this paper a novel approach for sequential bidding on day-ahead auction markets for spot energy and power systems reserve is presented. For the spot market a relatively simple method is considered as a competitive market is assumed. For the reserve market one bidder is assumed to behave strategically and the behavior of the competitors is summarized in a probability distribution of the market price. This results in a method for sequential bidding, where the bidding prices and capacities on the spot and reserve markets are calculated by maximizing a stochastic non-linear objective function of expected profit. With an exemplary application is shown that the trading sequence leads to increasing bidding capacities and prices in the reverse rank number of the markets. Hence, the consideration of a defined trading sequence greatly influences the mathematical representation of the optimal bidding behavior under price uncertainty in day-ahead auctions for spot energy and power systems reserve. (Author)

  10. Gráficos difusos versus gráficos tradicionales para el control de procesos por atributos

    Directory of Open Access Journals (Sweden)

    Vivian Lorena Chud Pantoja

    2017-05-01

    Full Text Available Los gráficos de control son una buena herramienta controlar procesos. Han sido ampliamente utilizados —y aún ahora se utilizan— en la mayoría de los procesos manufactureros. Sin embargo, se han presentado propuestas orientadas a mejorar el desempeño de los mismos, principalmente en los aspectos referentes a la incertidumbre y ambigüedad existente en los datos. En este sentido, los gráficos de control difusos son una alternativa valiosa para mejorar el desempeño de los gráficos tradicionales. Se presenta, entonces, una comparación de los gráficos de control Shewhart (tradicionales y los gráficos de control difusos por atributos, con el objetivo de establecer las similitudes y diferencias existentes entre las dos metodologías. De esta manera, se desarrolla un ejemplo numérico de un gráfico tradicional c y gráficos difusos construidos a partir de las siguientes técnicas de transformación: moda difusa, mediana difusa, rango medio difuso y enfoque difuso directo. Para realizar una comparación se utilizaron las reglas de evaluación de patrones de comportamiento no natural en un gráfico de control. A partir de los resultados de la comparación realizada en esta investigación se concluye que al utilizar las reglas de evaluación en ambos gráficos con los mismos datos no se obtienen diferencias en los resultados. (Abstract. Control charts are the main tool in the process control. They have been widely used and are still used in most manufacturing processes. However, proposals have emerged that seek to improve their performance, mainly about topics which involve the vagueness and uncertainty of the data. In this sense, fuzzy control charts area an important alternative for improve the performance of control charts. We present a comparison of Shewhart control charts (traditional and fuzzy control charts for attributes with the aim of establishing similarities and differences between the two methodologies. We develop a numerical

  11. La Artesania Mexicana (Mexican Handicrafts).

    Science.gov (United States)

    Steele, Bettina

    This booklet contains instructions in English and Spanish for making eleven typical Mexican craft articles. The instructions are accompanied by pen-and-ink drawings. The objects are (1) "La Rosa" (The Rose); (2) "El Crisantemo" (The Chrysanthemum); (3) "La Amapola" (The Poppy); (4) "Ojos de Dios" (God's Eyes); (5) "Ojitos con dos caras" (Two-Sided…

  12. Historical aspects of Mexican psychiatry.

    Science.gov (United States)

    Bayardo, Sergio Javier Villaseñor

    2016-04-01

    Mexican psychiatry initiated since pre-Hispanic times. Historically, treatments were a mixture of magic, science and religion. Ancient Nahuas had their own medical concepts with a holistic view of medicine, considering men and cosmos as a whole. The first psychiatric hospital appeared in 1566 and a more modern psychiatric asylum emerged until 1910. International exchanges of theoretical approaches started in the National University with the visit of Pierre Janet. There were other important figures that influenced Mexican psychiatry, such as Erich Fromm, Henri Ey, Jean Garrabé and Yves Thoret. Regarding Mexican psychiatrists, some of the most important contributors to Mexican psychiatry were José Luis Patiño Rojas, Manuel Guevara Oropeza and Ramón de la Fuente Muñiz. This article includes excerpts from "Clinical Psychiatry", a book by Patiño Rojas where he tries to understand and describe the inner world experienced by patients with schizophrenia; also, the thesis conducted by Guevara Oropeza ("Psychoanalisis"), which is a critical comparison between the theories of Janet and Freud. Finally, we include "The study of consciousness: current status" by Ramón de la Fuente, which leads us through the initial investigations concerning consciousness, its evolution, and the contributions made by psychology, philosophy and neurobiology.

  13. The Mexican Axolotl in Schools

    Science.gov (United States)

    Thomas, R. M.

    1976-01-01

    Suggests and describes laboratory activities in which the Mexican axolotl (Ambystoma mexicanum Shaw) is used, including experiments in embryology and early development, growth and regeneration, neoteny and metamorphosis, genetics and coloration, anatomy and physiology, and behavior. Discusses care and maintenance of animals. (CS)

  14. Proverbs in Mexican American Tradition.

    Science.gov (United States)

    Arora, Shirley L.

    1982-01-01

    Examines proverb use among 304 Mexican Americans (aged 16-85) of Los Angeles (California), assembling information on how or where particular proverbs were learned, with whom or what kind of individual their use is associated, the occasions on which they are used, and general attitudes toward the use of proverbs. (LC)

  15. Grønt regnskab for boligområder

    DEFF Research Database (Denmark)

    Jensen, O.M.

    Grønne regnskaber har vundet indpas i virksomheder, kommuner og boligområder. Med denne rapport foreligger der en model og en metode for opstilling af et grønt regnskab, der kan anvendes på alle typer af boliger, boligbebyggelser og boligområder. Et tilhørende regneark kan hjemtages på SBI´s hjem......´s hjemmeside 'www.sbi.dk', eller det kan opstilles ved hjælp af anvisningerne i rapporten. Rapporten henvender sig til alle, der arbejder med energiledelse, boligforvaltning, økologisk boligbyggeri, byfornyelse, miljødebat og Agenda 21-arbejde....

  16. Oracle JDeveloper 11gR2 Cookbook

    CERN Document Server

    Haralabidis, Nick

    2012-01-01

    "Oracle JDeveloper 11gR2 Cookbook" is a practical cookbook which goes beyond the basics with immediately applicable recipes for building ADF applications at an intermediate-to-advanced level. If you are a JavaEE developer who wants to go beyond the basics of building ADF applications with Oracle JDeveloper 11gR2 and get hands on with practical recipes, this book is for you. You should be comfortable with general Java development principles, the JDeveloper IDE, and ADF basics

  17. Oracle BAM 11gR1 Handbook

    CERN Document Server

    Wang, Pete

    2012-01-01

    "Oracle BAM 11gR1 Handbook" is a practical best practices tutorial focused entirely on Oracle Business Activity Monitoring. An intermediate-to-advanced guide, step-by-step instructions and an accompanying demo project will help SOA report developers through application development and producing dashboards and reports. If you are a developer/report developer or SOA Architect who wants to learn valuable Oracle BAM best practices for monitoring your operations in real time, then "Oracle BAM 11gR1 Handbook" is for you. Administrators will also find the book useful. You should already be comfortabl

  18. Attenuated bioluminescent Brucella melitensis mutants GR019 (virB4), GR024 (galE), and GR026 (BMEI1090-BMEI1091) confer protection in mice.

    Science.gov (United States)

    Rajashekara, Gireesh; Glover, David A; Banai, Menachem; O'Callaghan, David; Splitter, Gary A

    2006-05-01

    In vivo bioluminescence imaging is a persuasive approach to investigate a number of issues in microbial pathogenesis. Previously, we have applied bioluminescence imaging to gain greater insight into Brucella melitensis pathogenesis. Endowing Brucella with bioluminescence allowed direct visualization of bacterial dissemination, pattern of tissue localization, and the contribution of Brucella genes to virulence. In this report, we describe the pathogenicity of three attenuated bioluminescent B. melitensis mutants, GR019 (virB4), GR024 (galE), and GR026 (BMEI1090-BMEI1091), and the dynamics of bioluminescent virulent bacterial infection following vaccination with these mutants. The virB4, galE, and BMEI1090-BMEI1091 mutants were attenuated in interferon regulatory factor 1-deficient (IRF-1(-/-)) mice; however, only the GR019 (virB4) mutant was attenuated in cultured macrophages. Therefore, in vivo imaging provides a comprehensive approach to identify virulence genes that are relevant to in vivo pathogenesis. Our results provide greater insights into the role of galE in virulence and also suggest that BMEI1090 and downstream genes constitute a novel set of genes involved in Brucella virulence. Survival of the vaccine strain in the host for a critical period is important for effective Brucella vaccines. The galE mutant induced no changes in liver and spleen but localized chronically in the tail and protected IRF-1(-/-) and wild-type mice from virulent challenge, implying that this mutant may serve as a potential vaccine candidate in future studies and that the direct visualization of Brucella may provide insight into selection of improved vaccine candidates.

  19. Land bidding game with conflicting interest and its quantum solution

    Science.gov (United States)

    Situ, Haozhen; Alonso-Sanz, Ramón; Li, Lvzhou; Zhang, Cai

    Recently, the first conflicting interest quantum game based on the nonlocality property of quantum mechanics has been introduced in A. Pappa, N. Kumar, T. Lawson, M. Santha, S. Y. Zhang, E. Diamanti and I. Kerenidis, Phys. Rev. Lett. 114 (2015) 020401. Several quantum games of the same genre have also been proposed subsequently. However, these games are constructed from some well-known Bell inequalities, thus are quite abstract and lack of realistic interpretations. In the present paper, we modify the common interest land bidding game introduced in N. Brunner and N. Linden, Nat. Commun. 4 (2013) 2057, which is also based on nonlocality and can be understood as two companies collaborating in developing a project. The modified game has conflicting interest and reflects the free rider problem in economics. Then we show that it has a fair quantum solution that leads to better outcome. Finally, we study how several types of paradigmatic noise affect the outcome of this game.

  20. 31 CFR 356.12 - What are the different types of bids and do they have specific requirements or restrictions?

    Science.gov (United States)

    2010-07-01

    ...) Treasury bills. A competitive bid must show the discount rate bid, expressed with three decimals in .005... competitively, either at a single yield or discount rate, or at different yields or discount rates. However, a competitive bid at a single yield or discount rate that exceeds 35 percent of the offering amount will be...

  1. 48 CFR 3.104-4 - Disclosure, protection, and marking of contractor bid or proposal information and source...

    Science.gov (United States)

    2010-10-01

    ... otherwise authorized by law or regulation. Any release containing contractor bid or proposal information or..., and marking of contractor bid or proposal information and source selection information. 3.104-4... marking of contractor bid or proposal information and source selection information. (a) Except as...

  2. CRTC2 Is a Coactivator of GR and Couples GR and CREB in the Regulation of Hepatic Gluconeogenesis.

    Science.gov (United States)

    Hill, Micah J; Suzuki, Shigeru; Segars, James H; Kino, Tomoshige

    2016-01-01

    Glucocorticoid hormones play essential roles in the regulation of gluconeogenesis in the liver, an adaptive response that is required for the maintenance of circulating glucose levels during fasting. Glucocorticoids do this by cooperating with glucagon, which is secreted from pancreatic islets to activate the cAMP-signaling pathway in hepatocytes. The cAMP-response element-binding protein (CREB)-regulated transcription coactivator 2 (CRTC2) is a coactivator known to be specific to CREB and plays a central role in the glucagon-mediated activation of gluconeogenesis in the early phase of fasting. We show here that CRTC2 also functions as a coactivator for the glucocorticoid receptor (GR). CRTC2 strongly enhances GR-induced transcriptional activity of glucocorticoid-responsive genes. CRTC2 physically interacts with the ligand-binding domain of the GR through a region spanning amino acids 561-693. Further, CRTC2 is required for the glucocorticoid-associated cooperative mRNA expression of the glucose-6-phosphatase, a rate-limiting enzyme for hepatic gluconeogenesis, by facilitating the attraction of GR and itself to its promoter region already occupied by CREB. CRTC2 is required for the maintenance of blood glucose levels during fasting in mice by enhancing the GR transcriptional activity on both the G6p and phosphoenolpyruvate carboxykinase (Pepck) genes. Finally, CRTC2 modulates the transcriptional activity of the progesterone receptor, indicating that it may influence the transcriptional activity of other steroid/nuclear receptors. Taken together, these results reveal that CRTC2 plays an essential role in the regulation of hepatic gluconeogenesis through coordinated regulation of the glucocorticoid/GR- and glucagon/CREB-signaling pathways on the key genes G6P and PEPCK.

  3. IT-kriminalitet kender ingen grænser

    DEFF Research Database (Denmark)

    Langsted, Lars Bo

    2016-01-01

    I dag foregår mange kriminelle handlinger via internettet uden at der sættes mange spor i den fysiske verden. Samtidig kender internettet i sagens natur ingen grænser, og det giver udfordringer både for lovgiver, politi, anklagemyndighed og den enkelte borger....

  4. Die Brustflosse des Grönlandswales (Balaena mysticetus L.)

    NARCIS (Netherlands)

    Kükenthal, W.

    1922-01-01

    Das Studium der Brustflosse des Grönlandswales hat zu Fragen von allgemeinerem Interesse geführt. Ihre kurze und breite Form sowie ihre anscheinende Fünffingerigkeit, die ausserdem nur noch beim südlichen Glattwal (Balaena australis) vorkommt, liess sie ursprünglicher erscheinen als die schlankere

  5. Hägune vesi / Igor Gräzin

    Index Scriptorium Estoniae

    Gräzin, Igor, 1952-

    2005-01-01

    Riigikogu liikme sõnul teostavad AS-i Tallinna Vesi aktsiate müüki samad inimesed, kelle tegevuse tulemusena sai linnapea Tõnis Palts maksuameti ettekirjutuse 12 miljoni suuruses summas. I. Gräzin on esitanud arupärimise, miks ei korraldatud konkurssi juriidiliste firmade vahel, miks valiti just see firma, kuid saadud vastused teda ei rahulda

  6. Igor Gräzin predlagajet suditsja s glavoi PASE

    Index Scriptorium Estoniae

    2007-01-01

    Riigikogu liige Igor Gräzin arvab, et Eesti võiks kaaluda võimalust anda kohtusse ENPA president Rene van der Linden, kes on laimanud Eesti riiki. Riigikogu esimehe Ene Ergma kirjast ENPA presidendile Rene van Lindenile ja tema vastusest

  7. Common Concern for retsudviklingen i Grønland

    DEFF Research Database (Denmark)

    Basse, Ellen Margrethe; Sommer, Tine

    2013-01-01

    Artiklen behandler indledningsvis de komplekse kompetenceforhold, der er tale om i Grønland, og den udfordring som inuitterne står over for som konsekvens af klimaændringer og råstof- og olieindvindingsinteresser. Deres internationale menneskerettigheder og de globale miljøretlige forpligtelser o...

  8. A Comparative Study on the Bidding Behavior of Pay as Bid and Uniform Price Electricity Market Players

    DEFF Research Database (Denmark)

    Haji Bashi, Mazaher; Khazraj, Hesam; Bak, Claus Leth

    2018-01-01

    High prices are expected for high demand times in the electricity markets and vice versa. The System Capacity Margin (SCM) demonstrates the abundance of electricity in the market. Naturally, higher SCM causes to lower price but, the players' behavior distortions have been frequently addressed...... in the literature. The overall producers’ bidding behaviors participating in Iran Electricity Market (IEM) as the low wind penetrated case and the Danish Electricity Market (DEM) as a high wind penetrated case are studied in this paper. An index is introduced to describe the overall market players’ behaviors....... Considering the players' behavior and using adaptive Neuro-fuzzy inference system, a model is derived. Although the total trend of prices is descending while the SCM increases, the results show some unexpected behaviors in IEM. Finally, players' biding behavior are compared in DEM and IEM. Markov transition...

  9. Optimal Bidding Strategies for Wind Power Producers in the Day-ahead Electricity Market

    Directory of Open Access Journals (Sweden)

    Xiaolin Liu

    2012-11-01

    Full Text Available Wind Power Producers (WPPs seek to maximize profit and minimize the imbalance costs when bidding into the day-ahead market, but uncertainties in the hourly available wind and forecasting errors make the bidding risky. This paper assumes that hourly wind power output given by the forecast follows a normal distribution, and proposes three different bidding strategies, i.e., the expected profit-maximization strategy (EPS, the chance-constrained programming-based strategy (CPS and the multi-objective bidding strategy (ECPS. Analytical solutions under the three strategies are obtained. Comparisons among the three strategies are conducted on a hypothetical wind farm which follows the Spanish market rules. Results show that bid under the EPS is highly dependent on market clearing price, imbalance prices, and also the mean value and standard deviation of wind forecast, and that bid under the CPS is largely driven by risk parameters and the mean value and standard deviation of the wind forecast. The ECPS combining both EPS and CPS tends to choose a compromise bid. Furthermore, the ECPS can effectively control the tradeoff between expected profit and target profit for WPPs operating in volatile electricity markets.

  10. Bad and Bid - potential background players in preneoplastic to neoplastic shift in human endometrium.

    Science.gov (United States)

    Driak, D; Dvorska, M; Bolehovska, P; Svandova, I; Novotny, J; Halaska, M

    2014-01-01

    The most common malignancies of the female genital tract are endometrial carcinomas, whose are generally proceeded by hyperplasia. The maintenance of tissue homeostasis is to great extent governed by apoptosis, whose defects can lead to the preneoplastic and/or cancerous changes. Endometrial apoptosis involves among others three groups of proteins of the Bcl-2 family. First group contains anti-apoptotic proteins (e. g. Bcl-2, Bcl-xL). The other two groups belong to the pro-apoptotic proteins with three (e. g. Bax, Bak) or one (e. g. Bad, Bid) so-called BH domains. Bad and Bid trigger the oligomerization of Bak and Bax protein, which permeabilize the outer mitochondrial wall. Unlike Bid, Bad cannot directly trigger apoptosis. Instead, Bad lowers the threshold at which apoptosis is induced, by binding anti-apoptotic Bcl-2 proteins. However, their mutual counterbalance or synergism in the human endometrium has not been reported yet.In this study, the levels of Bid and Bad were measured using SDS-PAGE and Western blotting with specific antibodies, with the aim to analyse expression of Bid and Bad proteins in normal (NE), hyperplastic (HE) and cancerous (CE) endometrium. We demonstrated that Bid expression in CE reached only 47% and 50% of this observed in NE and HE. Conversely, Bad expression in HE reached only 40% and 36% of this observed in NE and CE, respectively. We detected no significant changes of Bid expression between HE and NE, and levels of Bad protein were not different between CE and NE.Trend of Bid and Bad protein expression is clearly opposite in HE and CE. We hypothesise that disrupted apoptotic program in CE seems to be reduced further by lowering levels of direct apoptotic trigger protein Bid. We suggest that the adenocarcinoma tissue of human endometrium thus tries to strengthen its apoptotic effort by lowering the apoptotic threshold via higher Bad levels.

  11. Demand bidding construction for a large consumer through a hybrid IGDT-probability methodology

    International Nuclear Information System (INIS)

    Zare, Kazem; Moghaddam, Mohsen Parsa; Sheikh El Eslami, Mohammad Kazem

    2010-01-01

    This paper provides a technique to derive the bidding strategy in the day-ahead market for a large consumer that procures its electricity demand in both day-ahead market and a subsequent adjustment market. It is considered that hourly market prices are normally distributed and this correlation is modeled by variance-covariance matrix. The uncertainty of procurement cost is modeled using concepts derived from information gap decision theory which allows deriving robust bidding strategies with respect to price volatility. First Order Reliability Method is applied to construct the robust bidding curve. The proposed technique is illustrated through a realistic case study. (author)

  12. Use of Bidding Supply to Attend State Emergency Caused by Poor Planning and its Consequences

    Directory of Open Access Journals (Sweden)

    Clayton Gomes de Medeiros

    2016-10-01

    Full Text Available The interpretation of the law inherent in bidding in the country has been the subject of legal discussion, especially as the bidding exemption from the institute, particularly when justified in finding emergency situation, which requires the public administrator prompt and effective steps to eradicate or, least minimize the consequences harmful to the community. However, the biggest dilemma is to characterize the application possibilities of the legal provision, since with the passage of time has glimpsed the jurisprudential understanding change towards the dispensability of the bidding event when the emergency is the result of negligence of Public Administration.

  13. Study of impacts of physical contracts and financial contracts on bidding strategies of GENCOs

    International Nuclear Information System (INIS)

    Xiaoling Chen; He, Y.; Song, Y.H.

    2004-01-01

    This paper studies the impacts of physical contracts and financial contracts on the bidding strategies of GENCOs, including Physical Bilateral Contracts, Contracts for Difference (CfDs), Call Options and Put Options under discriminatory pricing mechanism. The integrated bidding decision model is applied, which has three main modules - probabilistic local marginal price simulator, market-oriented unit commitment model and multi-criteria decision system. The numerical results show that the GENCO will choose different bidding strategies if it holds different types of contract. The results also suggest that CfDs have the best performance for risk alleviation. (author)

  14. A comparison of pay-as-bid and marginal pricing in electricity markets

    Science.gov (United States)

    Ren, Yongjun

    This thesis investigates the behaviour of electricity markets under marginal and pay-as-bid pricing. Marginal pricing is believed to yield the maximum social welfare and is currently implemented by most electricity markets. However, in view of recent electricity market failures, pay-as-bid has been extensively discussed as a possible alternative to marginal pricing. In this research, marginal and pay-as-bid pricing have been analyzed in electricity markets with both perfect and imperfect competition. The perfect competition case is studied under both exact and uncertain system marginal cost prediction. The comparison of the two pricing methods is conducted through two steps: (i) identify the best offer strategy of the generating companies (gencos); (ii) analyze the market performance under these optimum genco strategies. The analysis results together with numerical simulations show that pay-as-bid and marginal pricing are equivalent in a perfect market with exact system marginal cost prediction. In perfect markets with uncertain demand prediction, the two pricing methods are also equivalent but in an expected value sense. If we compare from the perspective of second order statistics, all market performance measures exhibit much lower values under pay-as-bid than under marginal pricing. The risk of deviating from the mean is therefore much higher under marginal pricing than under pay-as-bid. In an imperfect competition market with exact demand prediction, the research shows that pay-as-bid pricing yields lower consumer payments and lower genco profits. This research provides quantitative evidence that challenges some common claims about pay-as-bid pricing. One is that under pay-as-bid, participants would soon learn how to offer so as to obtain the same or higher profits than what they would have obtained under marginal pricing. This research however shows that, under pay-as-bid, participants can at best earn the same profit or expected profit as under marginal

  15. Multi-Objective Bidding Strategy for Genco Using Non-Dominated Sorting Particle Swarm Optimization

    Science.gov (United States)

    Saksinchai, Apinat; Boonchuay, Chanwit; Ongsakul, Weerakorn

    2010-06-01

    This paper proposes a multi-objective bidding strategy for a generation company (GenCo) in uniform price spot market using non-dominated sorting particle swarm optimization (NSPSO). Instead of using a tradeoff technique, NSPSO is introduced to solve the multi-objective strategic bidding problem considering expected profit maximization and risk (profit variation) minimization. Monte Carlo simulation is employed to simulate rivals' bidding behavior. Test results indicate that the proposed approach can provide the efficient non-dominated solution front effectively. In addition, it can be used as a decision making tool for a GenCo compromising between expected profit and price risk in spot market.

  16. Liquidity Shocks, Market Maker Turnover, and Bidding Behavior in Treasury Auctions

    DEFF Research Database (Denmark)

    Gonzalez-Eiras, Martin; Rudiger, Jesper

    2017-01-01

    aggressively. They also bid more aggressively for existing securities that are reissued when the regulation tightens the requirements for secondary market participation. Consistent with regulations which imply that auctioned securities are not a prime source of liquidity, we find that banks which face...... liquidity needs bid less aggressively for them. A novel implication of our results is that in institutional settings that feature turnover of market makers, bidding behavior should be modeled in a dynamic setting. We introduce a dynamic model and show that static estimates over-predict true valuations when...

  17. Gräzin : Tagasi tähendab edasi / Igor Gräzin ; interv. Urmas Lauri

    Index Scriptorium Estoniae

    Gräzin, Igor, 1952-

    2004-01-01

    Europarlamenti kandideeriva Igor Gräzini arvates oleks Eestile olnud kasulik EL-i astumisega veel kaks-kolm aastat oodata. Euroopa Liit peaks tagasi minema aastasse 1957, kui ta oli vabakaubandusassotsiatsioon, see võimaldaks USA-ga konkureerida, väidab autor

  18. New tariffs confuse Mexican market

    International Nuclear Information System (INIS)

    Coeyman, M.

    1992-01-01

    Indelpro - the Grupo Alfa/Himont joint venture 150,000-m.t./year polypropylene (PP) plant in Altamira, Mexico - has been working to find its place in the Mexican market since coming onstream in March. At the same time, that market has been complicated by the imposition of import and export tariffs by the U.S. Department of Commerce early this fall. Commerce's accession to a 10% ad valorem tax on US PP exports to Mexico surprised some industry observers. The tariff is scheduled to be phased out within 10 years and is partly countermanded by a 5% tariff over a five-year period on Mexican PP exports to the US. But some market analysts say the arrangement is baffling

  19. NAFTA and the Mexican Economy

    Science.gov (United States)

    2008-11-04

    its loans. Then President Miguel de la Madrid took steps to open and liberalize the Mexican economy and initiated procedures to replace import...capita income in countries. 24 Lessons from NAFTA, 2005. 25 Economia , “NAFTA and Convergence in North America: High Expectations, Big Events, Little Time...Easterly, Norbert Fiess, and Daniel Lederman, Economia , “NAFTA and Convergence in North America: High Expectations, Big Events, Little Time,” Fall 2003. The

  20. Gründerzeit – Od skandalu do stylu

    Directory of Open Access Journals (Sweden)

    Jacek K. Knothe

    2017-12-01

    Full Text Available Przyjmuje się, iż architektura ‘okresu założycieli’ – ‘Grűnderzeit’ występowała w Niemczech w latach 1870-1920, to jest dłużej niż do zakończenia I wojny światowej stanowiącej swoistą cezurę XX wieku. Na terenie Polski, w miarę rozprzestrzeniania się przychodzącego z Europy postępu technicznego, styl Grűnderzeit następował pod koniec XIX wieku z niewielkim tylko opóźnieniem w stosunku do Niemiec, a wraz z nim jeszcze 12 stylów okresu historyzmu. Budynki z okresu Grűnderzeit, powszechnie obecne w centrach polskich miast pomimo zniszczeń spowodowanych II wojną, stanowią zwykle obiekty najstarsze i choćby z tego powodu uznawane są za estetyczny kanon historycznej zabudowy mieszkaniowej. Zamiarem autora jest przywrócenie do literatury polskiej terminu Grűnderzeit jako bardziej precyzyjnie określającego styl niż termin ‘historyzm’, używany do opisania praktycznie każdej formy architektonicznej z okresu poprzedzającego modernizm. Autorowi chodzi też o spowodowanie w polskiej literaturze dekonstrukcji terminu ‘historyzm’ i wyodrębnienie z niego terminu Grűnderzeit, ponadto o rozprawienie się z funkcjonującymi na temat stylu Grűnderzeit uprzedzeniami oraz o wykazanie związków i wpływu tego stylu na architekturę tkanki miejskiej większości polskich miast, nie tylko tych położonych na zachód od Wisły. Bezrefleksyjność lub też pogląd, iż architektura z przełomu XIX i XX wieku na terenie Polski nie miała korzeni w XIX wiecznej architekturze Europy, a jeśli nawet miała, to na pewno nie były one niemieckie, w erze globalizmu która właśnie wtedy się rozpoczynała, nie wytrzymuje próby.

  1. Supplier's optimal bidding strategy in electricity pay-as-bid auction: Comparison of the Q-learning and a model-based approach

    International Nuclear Information System (INIS)

    Rahimiyan, Morteza; Rajabi Mashhadi, Habib

    2008-01-01

    In this paper, the bidding decision making problem in electricity pay-as-bid auction is studied from a supplier's point of view. The bidding problem is a complicated task, because of suppliers' uncertain behaviors and demand fluctuation. In a specific case, in which, the market clearing price (MCP) is considered as a continuous random variable with a known probability distribution function (PDF), an analytic solution is proposed. The suggested solution is generalized to consider the effect of supplier market power due to transmission congestion. As a result, an algebraic equation is developed to compute optimal offering price. The basic assumption in this approach is to take the known probabilistic model for the MCP. The above-mentioned method, called model-based approach, is not more applicable in a realistic situation. In order to overcome the drawback of this method, which needs information about the MCP and its PDF, the supplier learns from past experiences using the Q-learning algorithm to find out the optimal bid price. The simulation results of the model-based and Q-learning methods are compared on a studied system. It is shown that a supplier using the Q-learning algorithm is able to find the optimal bidding strategy similar to one obtained by the model-based approach. Furthermore, to analyze a more realistic situation, the suppliers' behaviors are modeled using a multi-agent system. Simulation results illustrate that the studied supplier finds the optimal bidding strategy in power market using the Q-learning algorithm. (author)

  2. Analysis of General Accounting Office Bid Protest Decisions on A-76 Studies

    National Research Council Canada - National Science Library

    Russial, Paul

    2003-01-01

    .... Historically, industry has successfully protested a high percentage of A-76 procurements. This thesis examines General Accounting Office A-76 bid protest decisions issued between 5 February 1996 and 23 December 2002...

  3. A Data-Driven Bidding Model for a Cluster of Price-Responsive Consumers of Electricity

    DEFF Research Database (Denmark)

    Saez Gallego, Javier; Morales González, Juan Miguel; Zugno, Marco

    2016-01-01

    This paper deals with the market-bidding problem of a cluster of price-responsive consumers of electricity. We develop an inverse optimization scheme that, recast as a bilevel programming problem, uses price-consumption data to estimate the complex market bid that best captures the price......-response of the cluster. The complex market bid is defined as a series of marginal utility functions plus some constraints on demand, such as maximum pick-up and drop-off rates. The proposed modeling approach also leverages information on exogenous factors that may influence the consumption behavior of the cluster, e...... can be largely captured in the form of a complex market bid, so that this could be ultimately used for the cluster to participate in the wholesale electricity market....

  4. 48 CFR 52.214-7 - Late submissions, modifications, and withdrawals of bids.

    Science.gov (United States)

    2010-10-01

    ... transmitted through an electronic commerce method authorized by the IFB, it was received at the initial point... Government processes resume. (e) Bids may be withdrawn by written notice received at any time before the...

  5. Strategic bidding of generating units in competitive electricity market with considering their reliability

    International Nuclear Information System (INIS)

    Soleymani, S.; Ranjbar, A.M.; Shirani, A.R.

    2008-01-01

    In the restructured power systems, they are typically scheduled based on the offers and bids to buy and sell energy and ancillary services (AS) subject to operational and security constraints. Generally, no account is taken of unit reliability when scheduling it. Therefore generating units have no incentive to improve their reliability. This paper proposes a new method to obtain the equilibrium points for reliability and price bidding strategy of units when the unit reliability is considered in the scheduling problem. The proposed methodology employs the supply function equilibrium (SFE) for modeling a unit's bidding strategy. Units change their bidding strategies and improve their reliability until Nash equilibrium points are obtained. GAMS (general algebraic modeling system) language has been used to solve the market scheduling problem using DICOPT optimization software with mixed integer non-linear programming. (author)

  6. A dynamic replicator model of the players' bids in an oligopolistic electricity market

    International Nuclear Information System (INIS)

    Sahraei-Ardakani, Mostafa; Rahimi-Kian, Ashkan

    2009-01-01

    In this paper, the replicator dynamics of the power suppliers' bids in an oligopolistic electricity market are derived for both the fixed and variable demand cases. The replicator dynamics stability analysis is also performed. The dynamics of the electricity markets are the results of players' decisions. The physical parameters of the power systems (such as the lines capacities, voltage limitations, etc.) also affect the market dynamics indirectly, through the changes in players' behaviors. Assuming rational players, an optimal bidding strategy for constructing the supply function (SF) of a generating firm is presented and based on that, the dynamics of the bid replicators are studied. Both fixed demands and price sensitive demands are taken into account. The replicator model is presented in the well-known state space structure. A case study is presented to show the applicability of the developed dynamic replicator bid model, and also to show how the Nash-SFE equilibrium evolves over time. (author)

  7. RISIKO INVESTASI, BID-ASK SPREAD, DAN COST OF EQUITY CAPITAL DI PASAR MODAL INDONESIA

    Directory of Open Access Journals (Sweden)

    Agus Haryono

    2017-03-01

    Full Text Available A number of studies investigated how financial information affected investment decisions. The study extendedthis line of research by examining the effect of risk, proxied by price per share, number of shareholders, numberof dealers, trading volume, accounting risk and market risk measures on the bid ask spread. Further, theresearch tried to test the relationship between bid ask spread and cost of equity capital. The samples of thisresearch were the manufacturing companies listed at Indonesian Stock Exchange which shared the dividendfor 3 years; there were 40 companies. Data analysis technique used multiple regression analysis. The results ofregression provided evidence of statistically significant effect of price per share, market value, asset size andprice variability on bid ask spread. At last, there was a positive relationship between bid ask spread and cost ofequity capital

  8. Modeling bidding competitiveness and position performance in multi-attribute construction auctions

    Directory of Open Access Journals (Sweden)

    Pablo Ballesteros-Pérez

    2015-12-01

    This paper details a practical methodology based on simple statistical calculations for modeling the performance of a single bidder or a group of bidders, constituting a useful resource for analyzing one’s own success while benchmarking potential bidding competitors.

  9. 36 CFR 223.86 - Bid restriction on resale of noncompleted contract.

    Science.gov (United States)

    2010-07-01

    ... AGRICULTURE SALE AND DISPOSAL OF NATIONAL FOREST SYSTEM TIMBER Timber Sale Contracts Advertisement and Bids... business entity or the successor in interest of any of the foregoing business entities. A person is an...

  10. 78 FR 18527 - Implementation of Competitive Bidding for Commercial Broadcast and Instructional Television Fixed...

    Science.gov (United States)

    2013-03-27

    ... Broadcast and Instructional Television Fixed Service Licenses AGENCY: Federal Communications Commission... Implementation of Competitive Bidding for Commercial Broadcast and Instructional Television Fixed Service... for Commercial Broadcast and Instructional Television Fixed Service Licenses, MM Docket No. 97- 234 et...

  11. Empirical observations of bidding patterns in Australia's National Electricity Market

    International Nuclear Information System (INIS)

    Hu Xinmin; Grozev, George; Batten, David

    2005-01-01

    For more than a decade, electricity industries have been undergoing reform worldwide. However, there are various, sometimes contradictory, conclusions about the performance of these restructured electricity markets. Market performance depends largely on how each market participant responds to the market design -- including market rules, market operational procedures, and information revelation. In this paper, we identify and examine the strategies adopted by generators in Australia's National Electricity Market, based on publicly available data for the period from May 1, 2002 to May 31, 2003. We try to understand and answer some basic questions like how generators respond collectively or individually to changes in market conditions (e.g. load changes) and why they behave in this way. The statistics calculated from the data show that wide variations in the frequency of strategic bidding and rebidding exist; that generators more frequently use capacity offers as a strategic tool than price offers; that large generating units are more likely to use capacity strategies to control market prices; and that generators are capable of responding to changes in market conditions

  12. Empirical observations of bidding patterns in Australia's National Electricity Market

    International Nuclear Information System (INIS)

    Xinmin Hu; Grozev, G.; Batten, D.

    2005-01-01

    For more than a decade, electricity industries have been undergoing reform worldwide. However, there are various, sometimes contradictory, conclusions about the performance of these restructured electricity markets. Market performance depends largely on how each market participant responds to the market design - including market rules, market operational procedures, and information revelation. In this paper, we identify and examine the strategies adopted by generators in Australia's National Electricity Market, based on publicly available data for the period from May 1, 2002 to May 31, 2003. We try to understand and answer some basic questions like how generators respond collectively or individually to changes in market conditions (e.g. load changes) and why they behave in this way. The statistics calculated from the data show that wide variations in the frequency of strategic bidding and rebidding exist; that generators more frequently use capacity offers as a strategic tool than price offers; that large generating units are more likely to use capacity strategies to control market prices; and that generators are capable of responding to changes in market conditions. (author)

  13. Den græske by i Afghanistan

    DEFF Research Database (Denmark)

    Hannestad, Lise

    2016-01-01

    Byen Ai Khanoum som blev udgravet i i 1960'erne i det nordøstlige Afghanistan blev grundlagt som følge af Alexander den Stores erobring af hele Nærorienten og frem til det nordlige Indien. Fundene viser en spændende blanding af græsk og nræorientalsk kultur......Byen Ai Khanoum som blev udgravet i i 1960'erne i det nordøstlige Afghanistan blev grundlagt som følge af Alexander den Stores erobring af hele Nærorienten og frem til det nordlige Indien. Fundene viser en spændende blanding af græsk og nræorientalsk kultur...

  14. Hjemløshed i Grønland

    DEFF Research Database (Denmark)

    Hansen, Knud Erik; Andersen, Hans Thor

    Rapporten giver en beskrivelse af karakteren af hjemløsheden i Grønland. Den beskriver forholdene for tre måder at være ude i hjemløshed på i Grønland, hvordan husstande når dertil og hvilke muligheder de har for at komme ud af hjemløsheden. I rapporten indgår beskrivelser af en række personers liv...... households get homeless and their options to get out of homelessness. The report contains descriptions of how a number of people live in homelessness. The three types are: Homeless with no fixed accommodation, resettled living in resettlement housing and homeless who are long-time living with family, friends...

  15. GR712RC- Dual-Core Processor- Product Status

    Science.gov (United States)

    Sturesson, Fredrik; Habinc, Sandi; Gaisler, Jiri

    2012-08-01

    The GR712RC System-on-Chip (SoC) is a dual core LEON3FT system suitable for advanced high reliability space avionics. Fault tolerance features from Aeroflex Gaisler’s GRLIB IP library and an implementation using Ramon Chips RadSafe cell library enables superior radiation hardness.The GR712RC device has been designed to provide high processing power by including two LEON3FT 32- bit SPARC V8 processors, each with its own high- performance IEEE754 compliant floating-point-unit and SPARC reference memory management unit.This high processing power is combined with a large number of serial interfaces, ranging from high-speed links for data transfers to low-speed control buses for commanding and status acquisition.

  16. The Benefits and Risks of Virtual Bidding in Multi-Settlement Markets

    International Nuclear Information System (INIS)

    Isemonger, Alan G.

    2006-01-01

    While it is possible that multi-settlement markets can exist without virtual trading, it is equally clear that virtual trading can provide many market benefits. The main one: In the absence of explicit virtual bidding (EVB), the price arbitrage trades that are benign in other commodity markets affect the reliability of the underlying electricity markets, resulting in a situation where EVB is most useful when it neutralizes the deleterious reliability effects of implicit virtual bidding and physical arbitrage. (author)

  17. 30 CFR 285.224 - What happens if MMS accepts my bid?

    Science.gov (United States)

    2010-07-01

    ... 30 Mineral Resources 2 2010-07-01 2010-07-01 false What happens if MMS accepts my bid? 285.224... Renewable Energy Leases Competitive Lease Award Process § 285.224 What happens if MMS accepts my bid? If we... withdraw an OCS area in which we have held a lease sale before you and MMS execute the lease in that area...

  18. Refinancing, debt for equity agreements and takeover bids under Spanish law

    OpenAIRE

    Arias Varona, Francisco Javier

    2011-01-01

    This paper focuses on the connection between agreed solutions to the insolvency of listed companies implying changes in corporate control and the rules governing takeover bids. The solution to insolvency problems sometimes leads to a change in corporate control, namely when the solution involves modifying the capital structure of the company. In such cases, when the insolvent entity is a listed company, takeover bid regulation must be taken into account, as it can render the operation impossi...

  19. The 2003 proposal for a directive on Takeover Bids - Impact on the regulation in Scandinavia

    DEFF Research Database (Denmark)

    Sørensen, Karsten Engsig

    2003-01-01

    The article analysis the exspected impact of the proposed directive on takeover bids in Denmark, Norway and Sweden. The article focus on the impact on the duties of managers and of the 'mini breack-through rule'.......The article analysis the exspected impact of the proposed directive on takeover bids in Denmark, Norway and Sweden. The article focus on the impact on the duties of managers and of the 'mini breack-through rule'....

  20. Current Practices to Decrease Subcontractor Bid Shopping in the Public Sector

    Science.gov (United States)

    1993-01-01

    rarely done because most contractors refuse to accept such a condition (6s15). Those public agencies adhering to the doctrine of promissory estoppel ...also encourage bid shopping. The doctrine of promissory estoppel dictates that a subcontractor must stand by his bid quote if it is used by the prime...Holman was not awarded the subcontract. (3) It is unfair to bind the subcontractor under promissory estoppel without binding the general contractor. (4

  1. Entsorgungswirtschaft zwischen Grünem Punkt und Dosenpfand

    OpenAIRE

    Johann Wackerbauer

    2003-01-01

    Die Zeiten der hohen Wachstumsraten in der Abfallentsorgung dürften vorbei sein. Die Nachfrage nach Entsorgungsleistungen wird stärker von der Umweltpolitik als von der allgemeinen Konjunkturentwicklung beeinflusst. Die Turbulenzen im Zusammenhang mit der Einführung der Pfandpflicht auf Einweggetränkeverpackungen und die Diskussion um die Monopolstellung der Gesellschaft »Der Grüne Punkt - Duales System Deutschland AG« im Bereich der Entsorgung von Verkaufsverpackungen haben die Entsorgungs...

  2. Minimal canonical comprehensive Gröbner systems

    OpenAIRE

    Manubens, Montserrat; Montes, Antonio

    2009-01-01

    This is the continuation of Montes' paper "On the canonical discussion of polynomial systems with parameters''. In this paper, we define the Minimal Canonical Comprehensive Gröbner System of a parametric ideal and fix under which hypothesis it exists and is computable. An algorithm to obtain a canonical description of the segments of the Minimal Canonical CGS is given, thus completing the whole MCCGS algorithm (implemented in Maple and Singular). We show its high utility for applications, suc...

  3.  Gadeplansarbejdets grænseposition - muligheder og dilemmaer

    DEFF Research Database (Denmark)

    Mørck, Line Lerche

    2010-01-01

    Artiklen giver et bud på, hvordan vi gennem grænsefællesskaber på tværs af etniske og sociale skel kan bevæge det etablerede samfund og de unge, så de unge kommer 'indenfor rækkevidde'. Der diskuteres muligheder og dilemmaer i et gadeplansarbejde, der mødes med forventninger om at skulle samarbej...

  4. Business opportunities in the Mexican dairy industry

    NARCIS (Netherlands)

    Wijnands, J.H.M.; Armenta Gutierrez, B.M.; Poelarends, J.J.; Valk, van der O.M.C.

    2010-01-01

    This study explores the Mexican and Dutch business opportunities in the dairy industry in Mexico. The report discusses first the external environment of the Mexican dairy sector: the economic developments, the country's overall competitiveness, and the economic and agricultural policies. Next, it

  5. Stress Resilience among Border Mexican American Women

    Science.gov (United States)

    Guinn, Bobby; Vincent, Vern; Dugas, Donna

    2009-01-01

    The purpose of this study was to identify factors distinguishing Mexican American women living near the U.S.-Mexican border who are resilient to the experience of stress from those who are not. The study sample consisted of 418 participants ranging in age from 20 to 61 years. Data were gathered through a self-report survey instrument composed of…

  6. Mexican Women, Migration and Sex Roles.

    Science.gov (United States)

    Baca, Reynaldo; Dexter, Bryan

    1985-01-01

    Compares Mexican women involved in migration to understand how their sex roles and status have been affected. Uses data from two separate studies: ethnography on migrants' wives left at home in a Mexican village and a survey of unauthorized immigrants in the Los Angeles area. (SA)

  7. A Turnover Model for the Mexican Maquiladoras.

    Science.gov (United States)

    Maertz, Carl P.; Stevens, Michael J.; Campion, Michael A.

    2003-01-01

    From interviews with 47 Mexican maquiladora workers, a model of voluntary turnover was created and compared with models from the United States, Canada, England, and Australia. Despite similarities, the cultural and economic environment affected the precise content of antecedents in the Mexican model. (Contains 63 references.) (SK)

  8. Optimal bidding strategies in oligopoly markets considering bilateral contracts and transmission constraints

    Energy Technology Data Exchange (ETDEWEB)

    A.Badri; Jadid, S. [Department of Electrical Engineering, Iran University of Science and Technology (Iran); Rashidinejad, M. [Shahid Bahonar University, Kerman (Iran); Moghaddam, M.P. [Tarbiat Modarres University, Tehran (Iran)

    2008-06-15

    In electricity industry with transmission constraints and limited number of producers, Generation Companies (GenCos) are facing an oligopoly market rather than a perfect competition one. Under oligopoly market environment, each GenCo may increase its own profit through a favorable bidding strategy. This paper investigates the problem of developing optimal bidding strategies of GenCos, considering bilateral contracts and transmission constraints. The problem is modeled with a bi-level optimization algorithm, where in the first level each GenCo maximizes its payoff and in the second level a system dispatch will be accomplished through an OPF problem in which transmission constraints are taken into account. It is assumed that each GenCo has information about initial bidding strategies of other competitors. Impacts of exercising market power due to transmission constraints as well as irrational biddings of the some generators are studied and the interactions of different bidding strategies on participants' corresponding payoffs are presented. Furthermore, a risk management-based method to obtain GenCos' optimal bilateral contracts is proposed and the impacts of these contracts on GenCos' optimal biddings and obtained payoffs are investigated. At the end, IEEE 30-bus test system is used for the case study in order to demonstrate the simulation results and support the effectiveness of the proposed model. (author)

  9. BIDS apps: Improving ease of use, accessibility, and reproducibility of neuroimaging data analysis methods.

    Directory of Open Access Journals (Sweden)

    Krzysztof J Gorgolewski

    2017-03-01

    Full Text Available The rate of progress in human neurosciences is limited by the inability to easily apply a wide range of analysis methods to the plethora of different datasets acquired in labs around the world. In this work, we introduce a framework for creating, testing, versioning and archiving portable applications for analyzing neuroimaging data organized and described in compliance with the Brain Imaging Data Structure (BIDS. The portability of these applications (BIDS Apps is achieved by using container technologies that encapsulate all binary and other dependencies in one convenient package. BIDS Apps run on all three major operating systems with no need for complex setup and configuration and thanks to the comprehensiveness of the BIDS standard they require little manual user input. Previous containerized data processing solutions were limited to single user environments and not compatible with most multi-tenant High Performance Computing systems. BIDS Apps overcome this limitation by taking advantage of the Singularity container technology. As a proof of concept, this work is accompanied by 22 ready to use BIDS Apps, packaging a diverse set of commonly used neuroimaging algorithms.

  10. Research on Power Producer’s Bidding Behavior Based on the Best-Response Dynamic Model

    Directory of Open Access Journals (Sweden)

    Jingqi Sun

    2014-01-01

    Full Text Available As China’s electricity market is facing many problems, the research on power producer’s bidding behavior can promote the healthy and sustainable development of China’s electricity market. As a special commodity, the “electricity” possesses complicated production process. The instable market constraint condition, nonsymmetric information, and a lot of random factors make the producer’s bidding process more complex. Best-response dynamic is one of the classic dynamic mechanisms of the evolutionary game theory, which applies well in the repeated game and strategy evolution that happen among a few bounded rational players with a quick learning capability. The best-response dynamic mechanism is employed to study the power producer’s bidding behavior in this paper, the producer’s best-response dynamic model is constructed, and how the producers would engage in bidding is analyzed in detail. Taking two generating units in South China regional electricity market as the example, the producer’s bidding behavior by following the producer’s best-response dynamic model is verified. The relationships between the evolutionarily stable strategy (ESS of power producer’s bidding and the market demand, and ceiling and floor price as well as biding frequency are discussed in detail.

  11. A matrix game model for analyzing FTR bidding strategies in deregulated electric power markets

    International Nuclear Information System (INIS)

    Das, Tapas K.; Rocha, Patricio; Babayigit, Cihan

    2010-01-01

    Suppliers in deregulated electric power markets compete for financial transmission rights (FTRs) to hedge against congestion charges. The system operator receives the bids for FTRs submitted by the suppliers and develops an allocation strategy by solving an optimization model. Each FTR bid is defined by a path, a quantity indicating the amount of FTRs the supplier is bidding for in that path, and the price that the supplier is willing to pay for each FTR. The FTR revenue is calculated only after the electricity market has been cleared by computing the differences in the LMPs at the pair of nodes that connect each path. Thus, suppliers rely on forecasts of locational marginal prices (LMPs) to develop their FTR bids. In this paper, we present a game theoretic modeling approach to develop FTR bidding strategies for power suppliers assuming that they have forecasts of LMPs. The game theoretic model considers multiple participants as well as network contingencies. We apply the game theoretic model on a sample network to assess impacts of variations of bid and network parameters on the FTR market outcome. (author)

  12. Optimal bidding strategies in oligopoly markets considering bilateral contracts and transmission constraints

    International Nuclear Information System (INIS)

    Badri, A.; Jadid, S.; Rashidinejad, M.; Moghaddam, M.P.

    2008-01-01

    In electricity industry with transmission constraints and limited number of producers, Generation Companies (GenCos) are facing an oligopoly market rather than a perfect competition one. Under oligopoly market environment, each GenCo may increase its own profit through a favorable bidding strategy. This paper investigates the problem of developing optimal bidding strategies of GenCos, considering bilateral contracts and transmission constraints. The problem is modeled with a bi-level optimization algorithm, where in the first level each GenCo maximizes its payoff and in the second level a system dispatch will be accomplished through an OPF problem in which transmission constraints are taken into account. It is assumed that each GenCo has information about initial bidding strategies of other competitors. Impacts of exercising market power due to transmission constraints as well as irrational biddings of the some generators are studied and the interactions of different bidding strategies on participants' corresponding payoffs are presented. Furthermore, a risk management-based method to obtain GenCos' optimal bilateral contracts is proposed and the impacts of these contracts on GenCos' optimal biddings and obtained payoffs are investigated. At the end, IEEE 30-bus test system is used for the case study in order to demonstrate the simulation results and support the effectiveness of the proposed model. (author)

  13. Grüneisen parameter for gases and superfluid helium

    International Nuclear Information System (INIS)

    De Souza, Mariano; Menegasso, Paulo; Paupitz, Ricardo; Seridonio, Antonio; Lagos, Roberto E

    2016-01-01

    The Grüneisen ratio (Γ), i.e. the ratio of the thermal expansivity to the specific heat at constant pressure, quantifies the degree of anharmonicity of the potential governing the physical properties of a system. While Γ has been intensively explored in solid state physics, very little is known about its behavior for gases. This is most likely due to the difficulties posed in carrying out both thermal expansion and specific heat measurements in gases with high accuracy as a function of pressure and temperature. Furthermore, to the best of our knowledge a comprehensive discussion about the peculiarities of the Grüneisen ratio is still lacking in the literature. Here we report on a detailed and comprehensive overview of the Grüneisen ratio. Particular emphasis is placed on the analysis of Γ for gases. The main findings of this work are: (i) for the van der Waals gas Γ depends only on the co-volume b due to interaction effects, it is smaller than that for the ideal gas (Γ = 2/3) and diverges upon approaching the critical volume; (ii) for the Bose–Einstein condensation of an ideal boson gas, assuming the transition as first-order, Γ diverges upon approaching a critical volume, similarly to the van der Waals gas; (iii) for 4 He at the superfluid transition Γ shows a singular behavior. Our results reveal that Γ can be used as an appropriate experimental tool to explore pressure-induced critical points. (paper)

  14. Minedrift og miljø i Grønland

    DEFF Research Database (Denmark)

    Johansen, P.; Asmund, G.; Glahder, C. M.

    zink, som er frigjort fra de mineraler, som er brudt og oparbejdet. Forureningen kommer især fra tailings fra de anlæg, hvor indholdet af værdifulde mineraler i malmen er blevet adskilt og opkoncentreret. En anden vigtig forureningskilde har været såkaldt gråbjerg, dvs. brudt materiale, hvor......, at spe cielt bly ophober sig i høje koncentrationer i muslinger i tidevandszonen. Men der er også eksempler på, at fisk og rejer samt tangplanter får forhøjede blyværdier. Forstyrrelser I Grønland vil aktiviteter i forbindelse med minedrift og efterforskning af mine ra ler i mange tilfælde resultere i...... for eksempel sikre, at tailings og gråbjerg bliver deponeret på en måde, så frigørelse af metaller bliver væsentligt begrænset og ikke resulterer i, at forurenende stoffer bliver spredt over større områder. Der bliver også allerede ved godkendelsen af et mineprojekt udarbejdet en plan for, hvordan området skal...

  15. Rebound Attacks on the Reduced Grøstl Hash Function

    DEFF Research Database (Denmark)

    Mendel, Florian; Rechberger, C.; Schlaffer, Martin

    2010-01-01

    Grøstl is one of 14 second round candidates of the NIST SHA-3 competition. Cryptanalytic results on the wide-pipe compression function of Grøstl-256 have already been published. However, little is known about the hash function, arguably a much more interesting cryptanalytic setting. Also, Grøstl...

  16. Personage Column:Prof. Dr.Adolf Grünert%人物专栏:Adolf Grünert

    Institute of Scientific and Technical Information of China (English)

    2005-01-01

    @@ Adolf Grünert was born in 1938 in Neuleiningen, a lovely western village of Germany in Palatinate (Pfalz).The first seven years of his life were overshadowed by the war as he was living in the war region of western front.Despite of this, his childhood was deeply influenced by the outstanding care and shelter of his parents and the family-life.

  17. Characterization of Mexican zeolite minerals

    International Nuclear Information System (INIS)

    Jimenez C, M.J.

    2005-01-01

    50% of the Mexican territory is formed by volcanic sequences of the Pliocene type, which appear extensively in the northwest states (Sonora, Sinaloa, Chihuahua, Durango) and west of Mexico (Jalisco and Nayarit), in central Mexico (Zacatecas, Guanajuato, San Luis Potosi, Queretaro, Hidalgo) and south of Mexico (Guerrero, Oaxaca); therefore, it is to be expected that in our country big locations of natural zeolites exist in its majority of the clinoptilolite type. The present study was focused toward the characterization of two Mexican natural zeolite rocks presumably of the clinoptilolite and filipsite types, one of them comes from the state of Chihuahua and the other of a trader company of non metallic minerals, due that these materials are not characterized, its are not known their properties completely and therefore, the uses that can be given to these materials. In this investigation work it was carried out the characterization of two Mexican zeolite rocks, one coming from the Arroyo zone, municipality of La Haciendita, in the state of Chihuahua; and the other one was bought to a trader company of non metallic minerals. The two zeolites so much in their natural form as conditioned with sodium; they were characterized by means of X-ray diffraction, scanning electron microscopy of high vacuum and elementary microanalysis (EDS), surface area analysis (BET), thermal gravimetric analysis. To differentiate the heulandite crystalline phase of the other clinoptilolite rock, its were carried out thermal treatments. The quantification of Al, Na, Ca, K, Mg, Fe was carried out in solution, by means of atomic absorption spectroscopy and the quantity of Si was determined by gravimetry. The zeolite rocks presented for the major part the crystalline heulandite and clinoptilolite phases for the most part, and it was found that the zeolite coming from the state of Chihuahua possesses a bigger content of heulandite and the denominated filipsite it is really a zeolite

  18. IMPROVING THE BIDS EVALUATION CRITERIA AND REDUCING TIME AND EFFORT OF THE ASSESSMENT BY DEVELOPING A SOFTWARE PROGRAM

    Directory of Open Access Journals (Sweden)

    Muaid A. Shhatha

    2018-05-01

    Full Text Available A number of studies have been conducted to specify the most effecting factors on the success of projects. Those studies titled the most influencing factor, which is the bid selection criterion. By this criterion, the most qualified bidder/contractor could be chosen where the contractor has a considerable impact upon projects successes. Moreover, the published studies helped a lot in correcting the improper adopted criterion in selecting the best bid, which is the lowest price bid. Awarding the bid depending on the lowest price bid ended many projects in failure. Therefore, this study aimed to revise the popular mistaken selection criterion, recommend an evaluation criterion, and develop a computer program that works on finding the best bid according to the recommended criterion. The suggested criterion was followed in selecting one of the contractors to construct some projects in Iraq. That projects were felicitously finished; the projects were completed on time and budget.

  19. Susceptibility of Hep3B cells in different phases of cell cycle to tBid.

    Science.gov (United States)

    Ma, Shi-Hong; Chen, George G; Ye, Caiguo; Leung, Billy C S; Ho, Rocky L K; Lai, Paul B S

    2011-01-01

    tBid is a pro-apoptotic molecule. Apoptosis inducers usually act in a cell cycle-specific fashion. The aim of this study was to elucidate whether effect of tBid on hepatocellular carcinoma (HCC) Hep3B cells was cell cycle phase specific. We synchronized Hep3B cells at G0/G1, S or G2/M phases by chemicals or flow sorting and tested the susceptibility of the cells to recombinant tBid. Cell viability was measured by MTT assay and apoptosis by TUNEL. The results revealed that tBid primarily targeted the cells at G0/G1 phase of cell cycle, and it also increased the cells at the G2/M phase. 5-Fluorouracil (5-FU), on the other hand, arrested Hep3B cells at the G0/G1 phase, but significantly reduced cells at G2/M phase. The levels of cell cycle-related proteins and caspases were altered in line with the change in the cell cycle. The combination of tBid with 5-FU caused more cells to be apoptotic than either agent alone. Therefore, the complementary effect of tBid and 5-FU on different phases of the cell cycle may explain their synergistric effect on Hep3B cells. The elucidation of the phase-specific effect of tBid points to a possible therapeutic option that combines different phase specific agents to overcome resistance of HCC. Copyright © 2010 Elsevier B.V. All rights reserved.

  20. Reliability assessment of creep rupture life for Gr. 91 steel

    International Nuclear Information System (INIS)

    Kim, Woo-Gon; Park, Jae-Young; Kim, Seon-Jin; Jang, Jinsung

    2013-01-01

    Highlights: • Statistical analysis of a number of creep rupture data based on Z parameter. • Determination of the constant C in LM parameter and long-term creep life prediction. • Generation of random variables for Z s and Z cr by Monte-Carlo simulation in a SCRI model. • Examples for design application were reasonably drawn from the viewpoints of reliability. - Abstract: This paper presents reliability assessment of the long-term creep life of Gr. 91 steel, which is a major structural material for high temperature structural components of Generation-IV reactor systems. A number of creep rupture data for Gr. 91 steel were collected through literature surveys, and the long-term creep life was predicted by Larson–Miller parameter. A “Z parameter” method was used to describe the magnitude of the deviation of the creep rupture data to a master curve. A “Service Condition-creep Rupture property Interference (SCRI) model” based on the Z parameter was used to simultaneously consider the scattering of the creep rupture data of materials and the fluctuations of service conditions in reliability assessment. A statistical analysis of the creep rupture data was conducted by the Z parameter. To carry out the SCRI model, a number of random variables for Z s describing service conditions and Z cr describing the dispersion of the creep rupture data were generated using a Monte-Carlo simulation technique. As examples for application, the creep rupture life under a certain service conditions of Gr. 91 steel was reasonably drawn from the viewpoints of reliability

  1. Comparison on Mechanical Properties of SA508 Gr.3 Cl.1, Cl.2, and Gr.4N Low Alloy Steels for Pressure Vessels

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Min-Chul; Park, Sang-Gyu; Lee, Bong-Sang [Korea Atomic Energy Research Institute, Daejeon (Korea, Republic of); Lee, Ki-Hyoung [Korea Institute of Nuclear Safety, Daejeon (Korea, Republic of)

    2014-10-15

    In this study, microstructure and mechanical properties of SA508 Gr.3 Cl. 1, Cl.2, and Gr.4N low alloy steels are characterized to compare their properties. To evaluate the fracture toughness in the transition region, the master curve method according to ASTM E1921 was adopted in the cleavage transition region. Tensile tests and Charpy impact tests were also performed to evaluate the mechanical properties, and a microstructural investigation was carried out. The microstructure and mechanical properties of SA508 Gr.3 Cl.1, Cl2 and Gr.4N low alloy steels were characterized.. The predominant microstructure of SA508 Gr.4N model alloy is tempered martensite, while SA508 Gr.3 Cl.1 and Cl.2 steels show a typical tempered upper bainitic structure. SA508 Gr. 4N model alloy shows the best strength and transition behavior among the three SA508 steels. SA508 Gr.3 Cl.2 steel also has quite good strength, but there is a loss of toughness.

  2. Dokumentaalfilm "Maile Grünbergi värvilised maailmad" = "Maile Grünberg's colourful worlds": a documentary / Karin Paulus, Priit Põldme

    Index Scriptorium Estoniae

    Paulus, Karin, 1975-

    2015-01-01

    Sisearhitekt Maile Grünbergist ja 2014. aastal temast valminud dokumentaalfilmist "Maile Grünbergi värvilised maailmad". Režissöör Peeter Brambat, tegevprodutsent Priit Põldme, käsikiri Karin Paulus, Peeter Brambat, Priit Põldme. 2014. aasta Kultuurkapitali Arhitektuuripreemia kandidaat

  3. Study on corrosion resistance of A106Gr.B and A672Gr.B60 in dynamic water loop with high temperature and pressure

    International Nuclear Information System (INIS)

    Tian Jue; Wang Hui; Li Xinmin

    2014-01-01

    Due to the low carbon and low alloy Cr content, flow accelerates corrosion prone to have a serious impact on safety. AP1000 is the most advanced nuclear power technology in recent years. The plant used A672Gr.B60 as an alternative feed pipe to reduce the impact of flow accelerated corrosion. The impact of different flow rates, alkaline agent type and material property on A672Gr.B60 and A106Gr.B were characterized by scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray photoelectronic spectroscopy (XPS). After 336 h experiments were conducted, results show that the corrosion rate of A672Gr.B60 is much lower than that of A106Gr.B, and the density of oxidation film on A672Gr.B60 is superior to A106Gr.B. Ethanolamine (ETA) as an alkaline agent is better to reduce FAC to A106Gr.B, and it also can make the oxidation film become denser. Changes in flow rate will affect the size, shape and distribution of the oxide particles, and will also affect the thickness of the oxide film. Both of two materials were composed by Fe 3 O 4 . (authors)

  4. Phenotypic variation within European carriers of the Y-chromosomal gr/gr deletion is independent of Y-chromosomal background

    DEFF Research Database (Denmark)

    Krausz, C; Giachini, C; Xue, Y

    2008-01-01

    of duplications and the Y-chromosomal haplogroup were characterised. Although the study had good power to detect factors that accounted for >or=5.5% of the variation in sperm concentration, no such factor was found. A negative effect of gr/gr deletions followed by b2/b4 duplication was found within...

  5. ΛGR Centennial: Cosmic Web in Dark Energy Background

    Science.gov (United States)

    Chernin, A. D.

    The basic building blocks of the Cosmic Web are groups and clusters of galaxies, super-clusters (pancakes) and filaments embedded in the universal dark energy background. The background produces antigravity, and the antigravity effect is strong in groups, clusters and superclusters. Antigravity is very weak in filaments where matter (dark matter and baryons) produces gravity dominating in the filament internal dynamics. Gravity-antigravity interplay on the large scales is a grandiose phenomenon predicted by ΛGR theory and seen in modern observations of the Cosmic Web.

  6. Gröbner bases and convex polytopes

    CERN Document Server

    Sturmfels, Bernd

    1995-01-01

    This book is about the interplay of computational commutative algebra and the theory of convex polytopes. It centers around a special class of ideals in a polynomial ring: the class of toric ideals. They are characterized as those prime ideals that are generated by monomial differences or as the defining ideals of toric varieties (not necessarily normal). The interdisciplinary nature of the study of Gröbner bases is reflected by the specific applications appearing in this book. These applications lie in the domains of integer programming and computational statistics. The mathematical tools presented in the volume are drawn from commutative algebra, combinatorics, and polyhedral geometry.

  7. El periodismo gráfico durante la dictadura

    OpenAIRE

    Díaz, César Luis

    2017-01-01

    Este volumen del Centro de Estudios en Historia/Comunicación/Periodismo/Medios (CEHICOPEME), está dedicado al examen de ocho de los principales medios gráficos argentinos durante la última dictadura cívico-militar. Se trata de una decena de artículos que si bien fueron realizados como obras en sí mismas, no pueden ser aisladas de una forma de concebir la disciplina que las contiene, cuya matriz de producción se gestó en esta Facultad de Periodismo y Comunicación Social (UNLP) hace poco más de...

  8. Robust Multi-unit Auction Protocol against False-name Bids

    Science.gov (United States)

    Yokoo, Makoto; Sakurai, Yuko; Matsubara, Shigeo

    This paper presents a new multi-unit auction protocol (IR protocol) that is robust against false-name bids. Internet auctions have become an integral part of Electronic Commerce and a promising field for applying agent and Artificial Intelligence technologies. Although the Internet provides an excellent infrastructure for executing auctions, the possibility of a new type of cheating called false-name bids has been pointed out. A false-name bid is a bid submitted under a fictitious name. A protocol called LDS has been developed for combinatorial auctions of multiple different items and has proven to be robust against false-name bids. Although we can modify the LDS protocol to handle multi-unit auctions, in which multiple units of an identical item are auctioned, the protocol is complicated and requires the auctioneer to carefully pre-determine the combination of bundles to obtain a high social surplus or revenue. For the auctioneer, our newly developed IR protocol is easier to use than the LDS, since the combination of bundles is automatically determined in a flexible manner according to the declared evaluation values of agents. The evaluation results show that the IR protocol can obtain a better social surplus than that obtained by the LDS protocol.

  9. A Bidding Methodology by Nash Equilibrium for Finite Generators Participating in Imperfect Electricity Markets

    Science.gov (United States)

    Satyaramesh, P. V.

    2014-01-01

    This paper presents an application of finite n-person non-cooperative game theory for analyzing bidding strategies of generators in a deregulated energy marketplace with Pool Bilateral contracts so as to maximize their net profits. A new methodology to build bidding methodology for generators participating in oligopoly electricity market has been proposed in this paper. It is assumed that each generator bids a supply function. This methodology finds out the coefficients in the supply function of generators in order to maximize benefits in an environment of competing rival bidders. A natural choice for developing strategies is Nash Equilibrium (NE) model incorporating mixed strategies, for solving the bidding problem of electrical market. Associated optimal profits are evaluated for a combination of set of pure strategies of bidding of generators, and payoff matrix has been constructed. The optimal payoff is calculated by using NE. An attempt has also been made to minimize the gap between the optimal payoff and the payoff obtained by a possible mixed strategies combination. The algorithm is coded in MATLAB. A numerical example is used to illustrate the essential features of the approach and the results are proved to be the optimal values.

  10. Group search optimiser-based optimal bidding strategies with no Karush-Kuhn-Tucker optimality conditions

    Science.gov (United States)

    Yadav, Naresh Kumar; Kumar, Mukesh; Gupta, S. K.

    2017-03-01

    General strategic bidding procedure has been formulated in the literature as a bi-level searching problem, in which the offer curve tends to minimise the market clearing function and to maximise the profit. Computationally, this is complex and hence, the researchers have adopted Karush-Kuhn-Tucker (KKT) optimality conditions to transform the model into a single-level maximisation problem. However, the profit maximisation problem with KKT optimality conditions poses great challenge to the classical optimisation algorithms. The problem has become more complex after the inclusion of transmission constraints. This paper simplifies the profit maximisation problem as a minimisation function, in which the transmission constraints, the operating limits and the ISO market clearing functions are considered with no KKT optimality conditions. The derived function is solved using group search optimiser (GSO), a robust population-based optimisation algorithm. Experimental investigation is carried out on IEEE 14 as well as IEEE 30 bus systems and the performance is compared against differential evolution-based strategic bidding, genetic algorithm-based strategic bidding and particle swarm optimisation-based strategic bidding methods. The simulation results demonstrate that the obtained profit maximisation through GSO-based bidding strategies is higher than the other three methods.

  11. Quantifying fluctuations in market liquidity: analysis of the bid-ask spread.

    Science.gov (United States)

    Plerou, Vasiliki; Gopikrishnan, Parameswaran; Stanley, H Eugene

    2005-04-01

    Quantifying the statistical features of the bid-ask spread offers the possibility of understanding some aspects of market liquidity. Using quote data for the 116 most frequently traded stocks on the New York Stock Exchange over the two-year period 1994-1995, we analyze the fluctuations of the average bid-ask spread S over a time interval deltat. We find that S is characterized by a distribution that decays as a power law P[S>x] approximately x(-zeta(S) ), with an exponent zeta(S) approximately = 3 for all 116 stocks analyzed. Our analysis of the autocorrelation function of S shows long-range power-law correlations, (S(t)S(t + tau)) approximately tau(-mu(s)), similar to those previously found for the volatility. We next examine the relationship between the bid-ask spread and the volume Q, and find that S approximately ln Q; we find that a similar logarithmic relationship holds between the transaction-level bid-ask spread and the trade size. We then study the relationship between S and other indicators of market liquidity such as the frequency of trades N and the frequency of quote updates U, and find S approximately ln N and S approximately ln U. Lastly, we show that the bid-ask spread and the volatility are also related logarithmically.

  12. Facilitators and Inhibitors of Bidding and Hosting Mega Sporting Events in Iran

    Directory of Open Access Journals (Sweden)

    Mohammad Koosha

    2013-01-01

    Full Text Available Legacies of hosting mega sporting events have been attempting idea for both the developed and the developing nations to participate in "bidding" competitions. Through mega sporting events bid process, despite all defined essentials infrastructures, the viewpoint of local organizing committee play a significant role to propose a winning bid and delivery of successful games. This research aims to identify the facilitators and inhibitors of bidding and hosting mega sporting events in Iran from the viewpoints of the Iranian distinguished professors in the sport management and the sport executive managers. Researcher questionnaire and Semi-structure interviews were conducted to gain in depth data. The results indicated that Iran currently has limitations to have winning bid and successful host mega sporting events; even though, it possesses the potential to do so. Public interest and support for hosting the sport events, good security condition against terrorism and tourist attractions are known as the strong points and he challenges and inhibitors which Iran is faced with includes: the qualitative and quantitative weakness in the transportation infrastructures and sport venues, west countries economic boycott, unstable government support and the lack of long-run planning for the events.

  13. A topological extension of GR: Black holes induce dark energy

    International Nuclear Information System (INIS)

    Spaans, M

    2013-01-01

    A topological extension of general relativity is presented. The superposition principle of quantum mechanics, as formulated by the Feynman path integral, is taken as a starting point. It is argued that the trajectories that enter this path integral are distinct and thus that space-time topology is multiply connected. Specifically, space-time at the Planck scale consists of a lattice of three-tori that facilitates many distinct paths for particles to travel along. To add gravity, mini black holes are attached to this lattice. These mini black holes represent Wheeler's quantum foam and result from the fact that GR is not conformally invariant. The number of such mini black holes in any time-slice through four-space is found to be equal to the number of macroscopic (so long-lived) black holes in the entire universe. This connection, by which macroscopic black holes induce mini black holes, is a topological expression of Mach's principle. The proposed topological extension of GR can be tested because, if correct, the dark energy density of the universe should be proportional the total number of macroscopic black holes in the universe at any time. This prediction, although strange, agrees with current astrophysical observations.

  14. How secure are Grünbaum's Foundations?

    Science.gov (United States)

    Wax, M L

    1995-06-01

    As exemplified in Freud's cases, behaviour becomes meaningful as it is situated within a history (narrative). Operating from a Unity of Science orientation, Grünbaum emphasises causal rather than meaningful connections, and selectively follows early Freud: when (and only when) the repressed historical cause is uncovered, the symptom disappears. Since that consequential connection has proven to be not causally invariable Grünbaum discredits psychoanalysis as unscientific. Counterposed to his causal approach is that of philosopher MacIntyre, who contends that identity and moral responsibility must be situated within personal history. Also counterposed is sociologist Max Weber who struggled with parallel issues in the German 'Geisteswissenschaften' of Freud's time. The oedipal complex is akin to Weber's ideal types, as are the various models implicit in analytic discourse. Psychoanalysis must be understood as a normative science. In so far as contemporary psychology and psychiatry emphasise causal relationships, their procedures (experimental, epidemiological) can never hope to encompass psychoanalysis. Like other grand theoretical systems, psychoanalysis has applications in wide arenas--personal, developmental, familial, cultural, religious, historical, ethnological; its development during the last century has come from the interaction of findings from those arenas with those from the consulting room.

  15. Interruption with the Migration of Iodide by GR(CT)

    International Nuclear Information System (INIS)

    Min, J. H.; Lee, J. K.; Jeong, J. T.

    2012-01-01

    The purpose of this study is to understand the influence of green rust on the migration of iodide. GR(CT) would be major corrosion product of iron near the seawater or saline layer in underground. The GR(CT) may play an important role in the retardation of the iodide migration in a deep geological environment due to it's anionic exchange reaction. In underground radioactive waste repository, the corrosion of iron canisters would be proceed as follows; Fe(II) and/or Fe(III) dissolved from iron containers → Fe(II)(OH) 2 and/or Fe(III)(OH) 3 → Green rust → Lepidocrocite or Magnetite → Goetite etc. Generally, the green rust has known to exist in environments close to the Fe(Π)/Fe(ΠΙ) transition zone or between the oxidized layer and reduced layer in the underground. As anion exchanger and strong reducer, the green rusts can affect the migration of anions, reactions involving green rusts were poorly studied in relation to the safety assessment of radioactive waste repository

  16. Analisis Faktor-Faktor Yang Mempengaruhi Bid Ask Spread Pada Masa Sebelum Dan Sesudah Stock Split Di Bursa Efek Indonesia Periode 2008-2013

    OpenAIRE

    Pakpahan, Quitsyah Agnes

    2014-01-01

    Bid Ask Spread is the difference of ask-price and bid-price of shares on the capital market. Bid ask spread is a factor that can influence the investor decision whether hold or sell their shares and make profit from spread of ask price and bid price. This is indicates that the stock liquidity as reflected in the stock price, trading volume, stock return will affect bid ask spread. Bid ask spread will increase if the risk of stock is increase, such as the less liquidity of stock, the higher ri...

  17. Mexican participation in the AMS project

    Science.gov (United States)

    Menchaca-Rocha, A.; Buenerd, M.; Cabrera, J. I.; Canizal, C.; Esquivel, O.; Núñez, R.; Plascencia, J. C.; Reyes, T.; Villoro, M. F.

    2001-05-01

    Optical characterization of hydrophobic silica aerogel SP-25 for the RICH, and a scheme to generate particle-ID conditions on TOF and Tracker amplitude data are reported, as part of a Mexican effort to contribute to the AMS Project. .

  18. Mammagraphy Use by Older Mexican American Women

    National Research Council Canada - National Science Library

    Freeman, Jean

    1998-01-01

    The purpose of this study is to examine the determinants of mammographic screening in older Mexican- American women, particularly the influence of strong family relationships on promoting screening behavior...

  19. A supply function model for representing the strategic bidding of the producers in constrained electricity markets

    International Nuclear Information System (INIS)

    Bompard, Ettore; Napoli, Roberto; Lu, Wene; Jiang, Xiuchen

    2010-01-01

    The modeling of the bidding behaviour of the producer is a key-point in the modeling and simulation of the competitive electricity markets. In our paper, the linear supply function model is applied so as to find the Supply Function Equilibrium analytically. It also proposed a new and efficient approach to find SFEs for the network constrained electricity markets by finding the best slope of the supply function with the help of changing the intercept, and the method can be applied on the large systems. The approach proposed is applied to study IEEE-118 bus test systems and the comparison between bidding slope and bidding intercept is presented, as well, with reference to the test system. (author)

  20. Pricing strategies, the strength of bidding intentions, and online auction performance: a cross-cultural study.

    Science.gov (United States)

    Peng, Yu-Shu; Jan, Lih-Tsyr

    2009-10-01

    Over the past decade, electronic markets based on the Internet, particularly online auctions, have become popular venues for conducting business. Previous studies often focused on the construction of the best bidding model, while few studies have tried to integrate multiple pricing strategies to predict the probability of closing an auction and the price premium. This study constructs a mediated model to examine the relationship among pricing strategies, the strength of bidding intentions, and online auction performance. The sample consists of 1,055 auctions of iPod MP3 players from eBay Web sites in Hong Kong, Singapore, Belgium, and France. Empirical results show that the pricing strategies directly influence both the probability of closing an auction and the level of price premium. The pricing strategies also indirectly influence the price premium through the mediating effect of the strength of bidding intentions.

  1. Market performance and bidders' bidding behavior in the New York Transmission Congestion Contract market

    International Nuclear Information System (INIS)

    Zhang, Ning

    2009-01-01

    Using publicly available bidder level bids data for Transmission Congestion Contracts (TCCs) and the realized awards of TCCs in the NYISO monthly reconfiguration auctions from June 2000 to December 2004, we examine both market performance and bidders' bidding behavior in the auctions. The data show significant under-pricing in the realized awards of TCCs. Theories suggest that under-pricing may arise from risk-aversion, monopsonistic market power or winner's curse. Our empirical analysis illustrates that all of the three effects play a role in the NYISO TCCs market. Both market performance and bidders' bidding strategies can be best explained by the theoretical model with asymmetric information and risk-averse bidders. (author)

  2. Optimal risky bidding strategy for a generating company by self-organising hierarchical particle swarm optimisation

    International Nuclear Information System (INIS)

    Boonchuay, Chanwit; Ongsakul, Weerakorn

    2011-01-01

    In this paper, an optimal risky bidding strategy for a generating company (GenCo) by self-organising hierarchical particle swarm optimisation with time-varying acceleration coefficients (SPSO-TVAC) is proposed. A significant risk index based on mean-standard deviation ratio (MSR) is maximised to provide the optimal bid prices and quantities. The Monte Carlo (MC) method is employed to simulate rivals' behaviour in competitive environment. Non-convex operating cost functions of thermal generating units and minimum up/down time constraints are taken into account. The proposed bidding strategy is implemented in a multi-hourly trading in a uniform price spot market and compared to other particle swarm optimisation (PSO). Test results indicate that the proposed SPSO-TVAC approach can provide a higher MSR than the other PSO methods. It is potentially applicable to risk management of profit variation of GenCo in spot market.

  3. Simulating GenCo bidding strategies in electricity markets with an agent-based model

    International Nuclear Information System (INIS)

    Botterud, Audun; Thimmapuram, Prakash R.; Yamakado, Malo

    2005-01-01

    In this paper we use an agent-based simulation model, EMCAS, to analyze market power in electricity markets. We focus on the effect of congestion management on the ability of generating companies (GenCos) to raise prices beyond competitive levels. An 11-node test power system is used to compare a market design based on locational marginal pricing with a market design that uses system marginal pricing and congestion management by counter trading. Bidding strategies based on both physical and economic withholding are compared to a base case with production cost bidding. The results show that unilateral market power is exercised under both pricing mechanisms. However, the largest changes in consumer costs and GenCo profits due to strategic bidding occur under the locational marginal pricing scheme. The analysis also illustrates that agent-based modeling can contribute important insights into the complex interactions between the participants in transmission-constrained electricity markets. (Author)

  4. Resource use and costs of exenatide bid or insulin in clinical practice

    DEFF Research Database (Denmark)

    Kiiskinen, Urpo; Matthaei, Stephan; Reaney, Matthew

    2013-01-01

    .9 in the exenatide bid cohort and €3265.5 in the insulin cohort (€1791.9 versus €2465.5 due to costs other than those of injectable therapy). When baseline direct cost and patients' and disease characteristics were controlled for, mean direct costs differed by country (P ...-month, prospective, noninterventional observational study. Clinical and resource use data were collected at initiation of first injectable therapy (exenatide bid or insulin) and at regular intervals for 24 months. Costs were evaluated from the national health care system perspective at 2009 prices....... RESULTS: A total of 2515 patients were recruited. At the 24-month analysis, significant treatment change had occurred during the study in 42.2% of 1114 eligible patients in the exenatide bid cohort and 36.0% of 1274 eligible patients in the insulin cohort. Improvements in glycemic control were observed...

  5. Transportation Service Procurement Bid Construction Problem from Less Than Truckload Perspective

    Directory of Open Access Journals (Sweden)

    Fang Yan

    2018-01-01

    Full Text Available This paper presents mixed integer programming for a transportation service procurement bid construction problem from a less than full truckload perspective, in which the bidders (carriers generate their best bid (package using a bundled price to maximize their utility and increase the chance of winning the business. The models are developed from both the carriers and shippers perspectives to establish a relationship between the quoted price and the likelihood of winning to assist the carriers in balancing the potential benefits and the possibility of winning the bid. An intelligent algorithm based on Particle Swarm Optimization is then designed to solve the proposed model and hypothetical data sets are used to test the effectiveness and efficiency of the proposed model and algorithm.

  6. The strategy curve. A method for representing and interpreting generator bidding strategies

    International Nuclear Information System (INIS)

    Lucas, N.; Taylor, P.

    1995-01-01

    The pool is the novel trading arrangement at the heart of the privatized electricity market in England and Wales. This central role in the new system makes it crucial that it is seen to function efficiently. Unfortunately, it is governed by a set of complex rules, which leads to a lack of transparency, and this makes monitoring of its operation difficult. This paper seeks to provide a method for illuminating one aspect of the pool, that of generator bidding behaviour. We introduce the concept of a strategy curve, which is a concise device for representing generator bidding strategies. This curve has the appealing characteristic of directly revealing any deviation in the bid price of a genset from the costs of generating electricity. After a brief discussion about what constitutes price and cost in this context we present a number of strategy curves for different days and provide some interpretation of their form, based in part on our earlier work with game theory. (author)

  7. Conjectural variation based learning model of strategic bidding in spot market

    International Nuclear Information System (INIS)

    Yiqun Song; Yixin Ni; Fushuan Wen; Wu, F.F.

    2004-01-01

    In actual electricity market, which operates repeatedly on the basis of one hour or half hour, each firm might learn or estimate other competitors' strategic behaviors from available historical market operation data, and rationally aims at its maximum profit in the repeated biddings. A conjectural variation based learning method is proposed in this paper for generation firm to improve its strategic bidding performance. In the method, each firm learns and dynamically regulates its conjecture upon the reactions of its rivals to its bidding according to available information published in the electricity market, and then makes its optimal generation decision based on the updated conjectural variation of its rivals. Through such learning process, the equilibrium reached in the market is proven a Nash equilibrium. Motivation of generation firm to learn in the changing market environment and consequence of learning behavior in the market are also discussed through computer tests. (author)

  8. BID-dependent release of mitochondrial SMAC dampens XIAP-mediated immunity against Shigella

    Science.gov (United States)

    Andree, Maria; Seeger, Jens M; Schüll, Stephan; Coutelle, Oliver; Wagner-Stippich, Diana; Wiegmann, Katja; Wunderlich, Claudia M; Brinkmann, Kerstin; Broxtermann, Pia; Witt, Axel; Fritsch, Melanie; Martinelli, Paola; Bielig, Harald; Lamkemeyer, Tobias; Rugarli, Elena I; Kaufmann, Thomas; Sterner-Kock, Anja; Wunderlich, F Thomas; Villunger, Andreas; Martins, L Miguel; Krönke, Martin; Kufer, Thomas A; Utermöhlen, Olaf; Kashkar, Hamid

    2014-01-01

    The X-linked inhibitor of apoptosis protein (XIAP) is a potent caspase inhibitor, best known for its anti-apoptotic function in cancer. During apoptosis, XIAP is antagonized by SMAC, which is released from the mitochondria upon caspase-mediated activation of BID. Recent studies suggest that XIAP is involved in immune signaling. Here, we explore XIAP as an important mediator of an immune response against the enteroinvasive bacterium Shigella flexneri, both in vitro and in vivo. Our data demonstrate for the first time that Shigella evades the XIAP-mediated immune response by inducing the BID-dependent release of SMAC from the mitochondria. Unlike apoptotic stimuli, Shigella activates the calpain-dependent cleavage of BID to trigger the release of SMAC, which antagonizes the inflammatory action of XIAP without inducing apoptosis. Our results demonstrate how the cellular death machinery can be subverted by an invasive pathogen to ensure bacterial colonization. PMID:25056906

  9. Supplier bidding strategy based on non-cooperative game theory concepts in single auction power pools

    International Nuclear Information System (INIS)

    Kang, Dong-Joo; Kim, Balho H.; Hur, Don

    2007-01-01

    In single auction power pools, only generators bid several energy price segments depending on the amount of energy supply, at individual generating companies' (GENCO) own discretion, for every trading interval. Then all selected bidders are paid a uniform Market Clearing Price (MCP). In this paper, it is realized that each GENCO has the complete information on its own payoff as well as the other parties' payoffs, corresponding to each potential combination of choices of strategies by all the players. Specifically, all the suppliers attempt to estimate the others' bids using the concept of Nash equilibrium in the general sense of profit maximization. Under some simplified assumptions, this problem can be modeled as a simultaneous-move game confronted by the bidders. Here, the system demand forecast by competitive sellers is captured for the purpose of constructing the optimal bidding strategy. Finally, a numerical example is presented demonstrating the effectiveness of the proposed solution scheme. (author)

  10. A Sequence Mining Method to Predict the Bidding Strategy of Trading Agents

    Science.gov (United States)

    Nikolaidou, Vivia; Mitkas, Pericles A.

    In this work, we describe the process used in order to predict the bidding strategy of trading agents. This was done in the context of the Reverse TAC, or CAT, game of the Trading Agent Competition. In this game, a set of trading agents, buyers or sellers, are provided by the server and they trade their goods in one of the markets operated by the competing agents. Better knowledge of the strategy of the trading agents will allow a market maker to adapt its incentives and attract more agents to its own market. Our prediction was based on the time series of the traders’ past bids, taking into account the variation of each bid compared to its history. The results proved to be of satisfactory accuracy, both in the game’s context and when compared to other existing approaches.

  11. NAFTA: The Mexican Economy, and Undocumented Migration

    Science.gov (United States)

    2011-10-28

    NAFTA contributed to modest increases in Mexican formal employment since 1994. Since employment constitutes one of the chief factors affecting poverty...any other provision of law , no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a...FINAL 3. DATES COVERED (From - To) 4. TITLE AND SUBTITLE NAFTA , the Mexican Economy, and Undocumented Migration 5a

  12. Generational Variations in Mexican-Origin Intermarriage

    OpenAIRE

    Cedillo, Rosalio

    2015-01-01

    This dissertation examines intermarriage across generations of the Mexican-origin population in order to better understand how this population is incorporating in U.S. society, and looks at parental migration status and parental nativity as factors that may impede or facilitate intermarriage incorporation. Using data from the Immigration and Intergenerational Mobility in Metropolitan Los Angeles (IIMMLA) survey the research shows that: the majority of intermarriages among the Mexican-origin ...

  13. Locomotion of Mexican jumping beans

    International Nuclear Information System (INIS)

    West, Daniel M; K Lal, Ishan; Leamy, Michael J; Hu, David L

    2012-01-01

    The Mexican jumping bean, Laspeyresia saltitans, consists of a hollow seed housing a moth larva. Heating by the sun induces movements by the larva which appear as rolls, jumps and flips by the bean. In this combined experimental, numerical and robotic study, we investigate this unique means of rolling locomotion. Time-lapse videography is used to record bean trajectories across a series of terrain types, including one-dimensional channels and planar surfaces of varying inclination. We find that the shell encumbers the larva's locomotion, decreasing its speed on flat surfaces by threefold. We also observe that the two-dimensional search algorithm of the bean resembles the run-and-tumble search of bacteria. We test this search algorithm using both an agent-based simulation and a wheeled Scribbler robot. The algorithm succeeds in propelling the robot away from regions of high temperature and may have application in biomimetic micro-scale navigation systems. (paper)

  14. Mexican gems as thermoluminescent dosimeters

    International Nuclear Information System (INIS)

    Azorin N, J.

    1979-01-01

    The possibility of using naturally ocurring mexican gems as thermoluminescent dosimeters (TLD) was investigated. Twelve types of gems were irradiated with X and gamma rays in order to determinate their dosimetric properties. Three of these gems showed favorable thermoluminescent characteristics compared with commercial thermoluminescent dosimeters. The plots of their thermoluminescent response as a function of gamma dose are straight lines on full log paper in the dose range 10 -2 to 10 2 Gy. The energy dependence is very strong to low energies of the radiation. Their fading was found to be about 5%/yr. and they may be annealed as reused without loss in sensitivity. Therefore, these gems can be used as X and gamma radiation dosimeters. (author)

  15. Comparison of SA508 Gr.3 and SA508 Gr.4N Low Alloy Steels for Reactor Pressure Vessel Steel

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Min Chul; Lee, B. S

    2009-12-15

    The microstructural characteristics and mechanical properties of SA508 Gr.3 Mn-Mo-Ni low alloy steel and SA508 Gr.4N Ni-Mo-Cr low alloy steel were investigated. The differences in the stable phases between these two low alloy steels were evaluated by means of a thermodynamic calculation using ThermoCalc. They were then compared to microstructural features and correlated with mechanical properties. Mn-Mo-Ni low alloy steel shows the upper bainite structure which has the coarse cementite in the lath boundaries. However, Ni-Mo-Cr low alloy steel shows the mixture of lower bainite and tempered martensite structure that homogeneously precipitates the small carbides such as M{sub 23}C{sub 6} and M{sub 7}C{sub 3} due to an increase of hardenability and Cr addition. In the mechanical properties, Ni-Mo-Cr low alloy steel has higher strength and toughness than Mn-Mo-Ni low alloy steel. Ni and Cr additions increase the strength by solid solution hardening. Besides, microstructural changes from upper bainite to tempered martensite improve the strength of the low alloy steel by grain refining effect. And the changes in the precipitation behavior by Cr addition improve the ductile-brittle transition behavior along with a toughening effect of Ni addition.

  16. A new quantum sealed-bid auction protocol with secret order in post-confirmation

    Science.gov (United States)

    Wang, Jing-Tao; Chen, Xiu-Bo; Xu, Gang; Meng, Xiang-Hua; Yang, Yi-Xian

    2015-10-01

    A new security protocol for quantum sealed-bid auction is proposed to resist the collusion attack from some malicious bidders. The most significant feature of this protocol is that bidders prepare their particles with secret order in post-confirmation for encoding bids. In addition, a new theorem and its proof are given based on the theory of combinatorial mathematics, which can be used as evaluation criteria for the collusion attack. It is shown that the new protocol is immune to the collusion attack and meets the demand for a secure auction. Compared with those previous protocols, the security, efficiency and availability of the proposed protocol are largely improved.

  17. Differential MR/GR Activation in Mice Results in Emotional States Beneficial or Impairing for Cognition

    Directory of Open Access Journals (Sweden)

    Vera Brinks

    2007-01-01

    Full Text Available Corticosteroids regulate stress response and influence emotion, learning, and memory via two receptors in the brain, the high‐affinity mineralocorticoid (MR and low‐affinity glucocorticoid receptor (GR. We test the hypothesis that MR- and GR-mediated effects interact in emotion and cognition when a novel situation is encountered that is relevant for a learning process. By adrenalectomy and additional constant corticosterone supplement we obtained four groups of male C57BL/6J mice with differential chronic MR and GR activations. Using a hole board task, we found that mice with continuous predominant MR and moderate GR activations were fast learners that displayed low anxiety and arousal together with high directed explorative behavior. Progressive corticosterone concentrations with predominant action via GR induced strong emotional arousal at the expense of cognitive performance. These findings underline the importance of a balanced MR/GR system for emotional and cognitive functioning that is critical for mental health.

  18. Fair Start Program: Outreach to Mexican and Mexican American Farmworker Families.

    Science.gov (United States)

    Winters-Smith, Carol; Larner, Mary

    This presentation describes a home visiting health education program serving Mexican and Mexican-American migrant farmworkers in Florida. The purposes of the program were to educate farmworker families about pregnancy, childbirth, nutrition, and child development, and to encourage the use of preventive health care services. Home visitors were…

  19. Optimal bidding strategy of battery storage in power markets considering performance based regulation and battery cycle life

    DEFF Research Database (Denmark)

    He, Guannan; Chen, Qixin; Kang, Chongqing

    2016-01-01

    to reduce the complexity of the model. This novel bidding model would help investor-owned battery storages better decide their bidding and operational schedules and investors to estimate the battery storage’s economic viability. The validity of the proposed model is proven by case study results....

  20. An analytical Study on Dynamics of Public Procurement System and Bidding-Strategy in Local Contractor's Management

    Science.gov (United States)

    Ninomiya, Hitoshi; Nanerikawa, Susumu

    Public procurement system such as Overall-Evaluation dynamically has been changed on local public works in Japan. However some characteristics of Bidding-Strategy and procurement system have not enough clarified. This paper attempt to analysis for a syatem dynamics and mechanisum of Overall-Evaluation by developing new simulation model focused on Bidding-Strategy, to propose some improvement scenario.

  1. 48 CFR 32.405 - Applying Pub. L. 85-804 to advance payments under sealed bid contracts.

    Science.gov (United States)

    2010-10-01

    ... advance payments under sealed bid contracts. 32.405 Section 32.405 Federal Acquisition Regulations System... Non-Commercial Items 32.405 Applying Pub. L. 85-804 to advance payments under sealed bid contracts. (a... provisions of law relating to contracts, as explained in 50.101-1(a), also include making advance payments...

  2. 76 FR 6154 - Notice of Realty Action: Modified Competitive Bid Sale of Public Lands in Santa Cruz County, CA

    Science.gov (United States)

    2011-02-03

    ... fair market value of $53,000. The sale will be conducted as a modified competitive bid auction, whereby... than the Federally approved fair market value of $53,000. Each sealed bid must include a certified... values in the land proposed for sale. The proposed sale would include the conveyance of both the surface...

  3. "a view of life" - 18.-30.9.2007 (Sisimiut Museum, Grønland)

    DEFF Research Database (Denmark)

    Medonos, Jakub Christensen

    2007-01-01

    Udstilling af og om unge i Sisimiut, Grønland. I Forbindelse med forskningsprojektet; "Ungdom og urbanitet i Grønland - en undersøgelse af den urbane ungdomskultur i Sisimiut: kompetencer, kreativitet og visioner." Se: www.workshop2007.wordpress.com  ......Udstilling af og om unge i Sisimiut, Grønland. I Forbindelse med forskningsprojektet; "Ungdom og urbanitet i Grønland - en undersøgelse af den urbane ungdomskultur i Sisimiut: kompetencer, kreativitet og visioner." Se: www.workshop2007.wordpress.com  ...

  4. Grøn Open Access i Praksis

    DEFF Research Database (Denmark)

    Open Access indikatoren påviste et uudnyttet potentiale på ca 60%, men hvorfor er der så ikke mere Open Access indhold?. I det konkrete arbejde med forskningsregistrering og registrering af post-prints støder bibliotekerne på en række udfordringer, som vanskeliggør institutionernes muligheder...... for at nå de nationale Open Access mål. Det er for eksempel inden for områderne rettigheder og licenser, tilladte Open Access versioner, embargoperioder m.m., at vi støder på problemer. Det er disse meget konkrete udfordringer, der arbejdes med i det kommende DEFF projekt ”Grøn Open Access i praksis”....

  5. CHAMAYOU, Grégoire. Teoria do drone.

    Directory of Open Access Journals (Sweden)

    Luiz Philipe de Caux

    2016-06-01

    Full Text Available É possível desvendar uma reconfiguração de normas e relações sociais e políticas, quiçá da própria estrutura dessas normas e relações, a partir da investigação da emergência de um artefato técnico? Tal é a questão de fundo que mobiliza o jovem filósofo francês Grégoire Chamayou, apresentado ao público brasileiro nesta bela edição da Cosac Naify, com competente tradução de Célia Euvaldo; questão que Chamayou ensaia res-ponder indo diretamente à coisa.

  6. Two Decades of Mexican Particle Physics at Fermilab

    International Nuclear Information System (INIS)

    Rubinstein, R.

    2003-01-01

    This report is a view from Fermilab of Mexican particle physics at the Laboratory since about 1980; it is not intended to be a history of Mexican particle physics: that topic is outside the expertise of the writer. The period 1980 to the present coincides with the growth of Mexican experimental particle physics from essentially no activity to its current state where Mexican groups take part in experiments at several of the world's major laboratories

  7. Põhjamaade kultuurikeskus Nuuk`is Gröönimaal = Pohjoismainen kulttuurikekus, Nuuk, Grönlanti / Mikko Heikkinen, Markku Komonen

    Index Scriptorium Estoniae

    Heikkinen, Mikko

    1993-01-01

    Põhjamaade kultuurikeskuse ehitamiseks Gröönimaale Nuuḱi linna korraldati 1993.a. rahvusvaheline arhitektuurikonkurss. Artiklis on tutvustatud soome arhitektide Mikko Heikkineni ja Markku Komoneni võistlustööd

  8. Bid-Ask Spreads, Trading Volume and Return Volatility: Intraday Evidence from Indian Stock Market

    Directory of Open Access Journals (Sweden)

    Rashmi Ranjan Paital

    2016-01-01

    Full Text Available This paper empirically examines the relationship between stock return volatility, trading volume and bid-ask spread within the scope of mixture of distribution hypothesis (MDH and sequential information arrival hypothesis (SIAH in the Indian stock market using high frequency 5-minute data set over the period of 2 July 2012 to 31 December 2012. This is the first kind of study in India using bid-ask spread as an additional information variable along with trading volume to investigate the relationship with stock return volatility. Our empirical findings provide evidence of a positive contemporaneous relationship between return volatility and trading volume, and also between return volatility and bid-ask spread. Moreover, the results of Granger causality test show that the information content of trading volume and bid-ask spread are useful for predicting stock return volatility. Our results indicate that information arrival to investors tends to follow a sequential rather than a simultaneous process. This finding is consistent with the sequential information arrival hypothesis and contradicts the mixture of distribution hypothesis.

  9. 36 CFR 223.84 - Small business bid form provisions on sales with specified road construction.

    Science.gov (United States)

    2010-07-01

    ... provisions on sales with specified road construction. 223.84 Section 223.84 Parks, Forests, and Public... specified road construction. For each sale described in § 223.82(b), the bid form must include provision for a small business concern: (a) To elect road construction by the Forest Service and where such...

  10. 47 CFR 101.1107 - Bidding credits for very small businesses, small businesses and entrepreneurs.

    Science.gov (United States)

    2010-10-01

    ..., small businesses and entrepreneurs. 101.1107 Section 101.1107 Telecommunication FEDERAL COMMUNICATIONS... Procedures for LMDS § 101.1107 Bidding credits for very small businesses, small businesses and entrepreneurs.... (c) A winning bidder that qualifies as an entrepreneur, as defined in § 101.1112, or a consortium of...

  11. Bad and Bid - potential background players in preneoplastic to neoplastic shift in human endometrium

    Czech Academy of Sciences Publication Activity Database

    Driak, D.; Dvorská, M.; Bolehovská, P.; Švandová, Iva; Novotný, J.; Halaška, M.

    2014-01-01

    Roč. 61, č. 4 (2014), s. 411-415 ISSN 0028-2685 R&D Projects: GA ČR(CZ) GAP207/12/0919 Institutional support: RVO:67985823 Keywords : Bad * Bid * cancerogenesis * human endometrium Subject RIV: CE - Biochemistry Impact factor: 1.865, year: 2014

  12. 47 CFR 22.969 - Cellular RSA licenses subject to competitive bidding.

    Science.gov (United States)

    2010-10-01

    ... 47 Telecommunication 2 2010-10-01 2010-10-01 false Cellular RSA licenses subject to competitive bidding. 22.969 Section 22.969 Telecommunication FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) COMMON CARRIER SERVICES PUBLIC MOBILE SERVICES Cellular Radiotelephone Service § 22.969 Cellular RSA licenses...

  13. Shareholder Wealth Effects of European Domestic and Cross-Border Takeover Bids

    NARCIS (Netherlands)

    Goergen, M.; Renneboog, L.D.R.

    2002-01-01

    In this paper, we analyse the short-term wealth effects of large (intra)European takeover bids.We find large announcement effects of 9% for target firms and a cumulative abnormal return that includes the price run-up over the two-month period prior to the announcement date of 23%.However, the share

  14. Bidding behaviour in multi-unit auctions – an experimental investigation

    Czech Academy of Sciences Publication Activity Database

    Engelmann, Dirk; Grimm, V.

    2009-01-01

    Roč. 119, č. 537 (2009), s. 855-882 ISSN 0013-0133 Institutional research plan: CEZ:AV0Z70850503 Keywords : multi-unit auctions * bidding behavior * laboratory experiments Subject RIV: AH - Economics Impact factor: 1.902, year: 2009

  15. Accounting protesting and warm glow bidding in Contingent Valuation surveys considering the management of environmental goods

    DEFF Research Database (Denmark)

    Grammatikopoulou, Ioanna; Olsen, Søren Bøye

    2013-01-01

    Based on a Contingent Valuation survey aiming to reveal the willingness to pay (WTP) for conservation of a wetland area in Greece, we show how protest and warm glow motives can be taken into account when modeling WTP. In a sample of more than 300 respondents, we find that 54% of the positive bids...

  16. Bid rounds: progress and future prospects; Rodadas de licitacoes: evolucao e perspectivas

    Energy Technology Data Exchange (ETDEWEB)

    Amorelli Junior, D.C.; Silva, Paulo Alexandre S.; Campos, Thiago N. [Agencia Nacional do Petroleo, Gas Natural e Biocombustiveis (ANP), Rio de Janeiro, RJ (Brazil)

    2008-07-01

    The National Agency of Petroleum, Natural Gas and Biofuels - ANP is an institution integrating the indirect Federal Administration, under the special autarchic regime, as an entity regulating the petroleum industry, linked to the Ministry of Mines and Energy - MME. The Minister of MME is the president of the National Council of Energy Policy - CNPE, which has the attribution of proposing national policies and specific measures to the President of the Republic. The ANP aims at promoting the regulation, contraction and inspection of the economic activities related to the petroleum industry, and shall elaborate the bidding protocols and promote the bidding for the concession of exploration, development and production activities, signing the relevant contracts and inspecting its execution. The Brazilian Bidding Rounds of blocks with exploratory risk, promoted by ANP, included areas from 22 of the 38 main Brazilian sedimentary basins divided into three exploratory models: High Potential Areas, New Frontier Areas and Mature Basins Areas. This work presents the framework evolution obtained in Bid Rounds, analyzing the main results of the auctions, and the future perspectives for management of the exploration and production activities according the national energy policy statements. (author)

  17. Optimal bidding strategy for microgrids in joint energy and ancillary service markets considering flexible ramping products

    International Nuclear Information System (INIS)

    Wang, Jianxiao; Zhong, Haiwang; Tang, Wenyuan; Rajagopal, Ram; Xia, Qing; Kang, Chongqing; Wang, Yi

    2017-01-01

    Highlights: •Flexible ramping products are modelled in the framework of a microgrid. •Microgrids’ optimal bidding model is proposed in energy and ancillary service markets. •A hybrid stochastic and robust optimization approach is adopted. •The effectiveness of the proposed bidding model is verified based on real-world data. -- Abstract: Due to the volatile nature of wind and photovoltaic power, wind farms and solar stations are generally thought of as the consumers of ramping services. However, a microgrid (MG) is able to strategically integrate various distributed energy resources (DERs) to provide both energy and ancillary services (ASs) for the bulk power system. To evaluate the ramping capabilities of an MG in the joint energy and AS markets, an optimal bidding strategy is developed in this paper considering flexible ramping products (FRPs). By aggregating and coordinating various DERs, including wind turbines (WTs), photovoltaic systems (PVs), micro-turbines (MTs) and energy storage systems (ESSs), the MG is able to optimally allocate the capacities for energy, spinning reserve and ramping. Taking advantage of the synergy among DERs, the MG can maximize its revenues from different markets. Moreover, the flexibility of the MG for the bulk power system can be fully explored. To address the uncertainties introduced by renewable generation and market prices, a hybrid stochastic/robust optimization (RO) approach is adopted. Case studies based on a real-world MG with various DERs demonstrate the market behavior of the MG using the proposed bidding model.

  18. Normal boundary intersection method for suppliers' strategic bidding in electricity markets: An environmental/economic approach

    International Nuclear Information System (INIS)

    Vahidinasab, V.; Jadid, S.

    2010-01-01

    In this paper the problem of developing optimal bidding strategies for the participants of oligopolistic energy markets is studied. Special attention is given to the impacts of suppliers' emission of pollutants on their bidding strategies. The proposed methodology employs supply function equilibrium (SFE) model to represent the strategic behavior of each supplier and locational marginal pricing mechanism for the market clearing. The optimal bidding strategies are developed mathematically using a bilevel optimization problem where the upper-level subproblem maximizes individual supplier payoff and the lower-level subproblem solves the Independent System Operator's market clearing problem. In order to solve market clearing mechanism the multiobjective optimal power flow is used with supplier emission of pollutants, as an extra objective, subject to the supplier physical constraints. This paper uses normal boundary intersection (NBI) approach for generating Pareto optimal set and then fuzzy decision making to select the best compromise solution. The developed algorithm is applied to an IEEE 30-bus test system. Numerical results demonstrate the potential and effectiveness of the proposed multiobjective approach to develop successful bidding strategies in those energy markets that minimize generation cost and emission of pollutants simultaneously.

  19. Informed trading and the bid-ask spread: evidence from an emerging market

    Czech Academy of Sciences Publication Activity Database

    Hanousek, Jan; Podpiera, R.

    2003-01-01

    Roč. 31, č. 2 (2003), s. 275-296 ISSN 0147-5967 R&D Projects: GA MŠk ME 595 Institutional research plan: CEZ:AV0Z7085904 Keywords : market microstructure * bid-ask spread * informed trading Subject RIV: AH - Economics Impact factor: 0.746, year: 2003

  20. Multi-objective optimal strategy for generating and bidding in the power market

    International Nuclear Information System (INIS)

    Peng Chunhua; Sun Huijuan; Guo Jianfeng; Liu Gang

    2012-01-01

    Highlights: ► A new benefit/risk/emission comprehensive generation optimization model is established. ► A hybrid multi-objective differential evolution optimization algorithm is designed. ► Fuzzy set theory and entropy weighting method are employed to extract the general best solution. ► The proposed approach of generating and bidding is efficient for maximizing profit and minimizing both risk and emissions. - Abstract: Based on the coordinated interaction between units output and electricity market prices, the benefit/risk/emission comprehensive generation optimization model with objectives of maximal profit and minimal bidding risk and emissions is established. A hybrid multi-objective differential evolution optimization algorithm, which successfully integrates Pareto non-dominated sorting with differential evolution algorithm and improves individual crowding distance mechanism and mutation strategy to avoid premature and unevenly search, is designed to achieve Pareto optimal set of this model. Moreover, fuzzy set theory and entropy weighting method are employed to extract one of the Pareto optimal solutions as the general best solution. Several optimization runs have been carried out on different cases of generation bidding and scheduling. The results confirm the potential and effectiveness of the proposed approach in solving the multi-objective optimization problem of generation bidding and scheduling. In addition, the comparison with the classical optimization algorithms demonstrates the superiorities of the proposed algorithm such as integrality of Pareto front, well-distributed Pareto-optimal solutions, high search speed.

  1. Controlling market power and price spikes in electricity networks: Demand-side bidding.

    Science.gov (United States)

    Rassenti, Stephen J; Smith, Vernon L; Wilson, Bart J

    2003-03-04

    In this article we report an experiment that examines how demand-side bidding can discipline generators in a market for electric power. First we develop a treatment without demand-side bidding; two large firms are allocated baseload and intermediate cost generators such that either firm might unilaterally withhold the capacity of its intermediate cost generators from the market to benefit from the supracompetitive prices that would result from only selling its baseload units. In a converse treatment, ownership of some of the intermediate cost generators is transferred from each of these firms to two other firms such that no one firm could unilaterally restrict output to spawn supracompetitive prices. Having established a well controlled data set with price spikes paralleling those observed in the naturally occurring economy, we also extend the design to include demand-side bidding. We find that demand-side bidding completely neutralizes the exercise of market power and eliminates price spikes even in the presence of structural market power.

  2. 47 CFR 24.712 - Bidding credits for licenses won for frequency Block C.

    Science.gov (United States)

    2010-10-01

    ... Block C. 24.712 Section 24.712 Telecommunication FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) COMMON....712 Bidding credits for licenses won for frequency Block C. (a) Except with respect to licenses won in... acquired in either the auction for frequency block C that began on December 18, 1995, or the reauction of...

  3. New approach for strategic bidding of Gencos in energy and spinning reserve markets

    International Nuclear Information System (INIS)

    Soleymani, S.; Ranjbar, A.M.; Shirani, A.R.

    2007-01-01

    In restructured and de-regulated power systems, generating companies (Gencos) are responsible for supplying electricity for both energy and reserve markets, which usually operate simultaneously. In this condition, the question is how much and for what price must each Genco generate for each market to maximize its profit, so this paper intends to answer to this question. In this paper, first, the combined energy and reserve markets are considered, and the Nash equilibrium points are determined. Then, the bidding strategies for each Genco at these points will be presented. The bids for the energy and 10 min spinning reserve (TMSR) markets are separated in the second stage, and again, the bidding strategies for each Genco for the two separated markets will be demonstrated. Comparison of the results shows that the separated bidding strategies, while being simplified with the algebraic optimization model and reducing the time consumed, give the same results as the combined ones. The Western System Coordinating Council (WSCC) nine bus test system is employed to illustrate and verify the results of the proposed method

  4. Green Medicine: Traditional Mexican-American Herbal Remedies.

    Science.gov (United States)

    Torres, Eliseo

    Traditional Mexican American herbal potions and remedies and their history are explained in an introductory book for the general reader. The importance of curanderismo, or green medicine, in Mexican and Mexican American cultures is explored. A brief history traces the herbal aspects of curanderismo through Mayan and Aztec cultures, the Spanish…

  5. Los Dos Mundos: Rural Mexican Americans, Another America.

    Science.gov (United States)

    Baker, Richard

    This book explores race relations between Mexican Americans and Anglo Americans in "Middlewest," a fictitious name for an actual rural Idaho community with the highest proportion of Mexican Americans in the state. Many Mexican Americans in this predominantly agricultural area are current or former migrant workers. The first chapter…

  6. Mexican energy policy and sustainability indicators

    International Nuclear Information System (INIS)

    Sheinbaum-Pardo, Claudia; Ruiz-Mendoza, Belizza Janet; Rodríguez-Padilla, Víctor

    2012-01-01

    The authors analyze the Mexican energy policy taking as reference the methodological framework for sustainable energy development proposed by the Economic Commission for Latin America and the Caribbean. This methodology takes eight related indicators to the social, environmental and economic dimensions in order to calculate a general sustainability indicator for the energy sector. In this methodology, the weight of each dimension is different; namely, the social and environmental issues have less relevance than the economic issues. The authors use this methodology because government institutions as the Department of Energy and the Department of Environment and Natural Resources have used some indicators from such a methodology to propose plans, programs, projects and bills. Authors know of the existence of other methodologies about sustainability. Nonetheless, opting for the Economic Commission for Latin America and the Caribbean's methodology is convenient because this organization is a respectable authority for civil servants from the Mexican institutions. Our objective is just to contrast the sustainability grade of the energy sector between 1990 and 2008 for Mexico whose government started reforms in the 1990s. It concludes that those reforms did not bring about a higher sustainability level for the energy sector. - Highlights: ► We used the OLADE, CEPAL and GTZ's methodology to calculate sustainability indicators for the Mexican energy sector. ► We studied the Mexican energy policy from 1990 to date and presented it. ► Currently, the Mexican energy sector is less sustainable than in 1990.

  7. Stochastic optimal generation bid to electricity markets with emissions risk constraints.

    Science.gov (United States)

    Heredia, F-Javier; Cifuentes-Rubiano, Julián; Corchero, Cristina

    2018-02-01

    There are many factors that influence the day-ahead market bidding strategies of a generation company (GenCo) within the framework of the current energy market. Environmental policy issues are giving rise to emission limitation that are becoming more and more important for fossil-fueled power plants, and these must be considered in their management. This work investigates the influence of the emissions reduction plan and the incorporation of the medium-term derivative commitments in the optimal generation bidding strategy for the day-ahead electricity market. Two different technologies have been considered: the high-emission technology of thermal coal units and the low-emission technology of combined cycle gas turbine units. The Iberian Electricity Market (MIBEL) and the Spanish National Emissions Reduction Plan (NERP) defines the environmental framework for dealing with the day-ahead market bidding strategies. To address emission limitations, we have extended some of the standard risk management methodologies developed for financial markets, such as Value-at-Risk (VaR) and Conditional Value-at-Risk (CVaR), thus leading to the new concept of Conditional Emission at Risk (CEaR). This study offers electricity generation utilities a mathematical model for determining the unit's optimal generation bid to the wholesale electricity market such that it maximizes the long-term profits of the utility while allowing it to abide by the Iberian Electricity Market rules as well as the environmental restrictions set by the Spanish National Emissions Reduction Plan. We analyze the economic implications for a GenCo that includes the environmental restrictions of this National Plan as well as the NERP's effects on the expected profits and the optimal generation bid. Copyright © 2017 Elsevier Ltd. All rights reserved.

  8. Making Growth Work for Women in Low-income Countries (GrOW ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    This project is part of the Growth and Economic Opportunities for Women (GrOW) program. GrOW is a five-year, multi-funder partnership with the UK's Department for International Development (DFID), The William ... In addition to 10 projects addressing the barriers to women's economic ... Careers · Contact Us · Site map.

  9. Grænser forudsætter, at man vil bruge magt

    DEFF Research Database (Denmark)

    Østergaard, Uffe

    2016-01-01

    Historisk set. Fra Hadrians mur til de lyseblå gendarmer ved den dansk-tyske grænse: en historie om magt.......Historisk set. Fra Hadrians mur til de lyseblå gendarmer ved den dansk-tyske grænse: en historie om magt....

  10. Gröbner bases in control theory and signal processing

    CERN Document Server

    Regensburger, Georg

    2007-01-01

    This volume contains survey and original articles presenting the state of the art on the application of Gröbner bases in control theory and signal processing. The contributions are based on talks delivered at the Special Semester on Gröbner Bases and Related Methods at the Johann Radon Institute of Computational and Applied Mathematics (RICAM), Linz, Austria, in May 2006.

  11. Craniofacial Secular Change in Recent Mexican Migrants.

    Science.gov (United States)

    Spradley, Katherine; Stull, Kyra E; Hefner, Joseph T

    2016-01-01

    Research by economists suggests that recent Mexican migrants are better educated and have higher socioeconomic status (SES) than previous migrants. Because factors associated with higher SES and improved education can lead to positive secular changes in overall body form, secular changes in the craniofacial complex were analyzed within a recent migrant group from Mexico. The Mexican group represents individuals in the act of migration, not yet influenced by the American environment, and thus can serve as a starting point for future studies of secular change in this population group. The excavation of a historic Hispanic cemetery in Tucson, Arizona, also allows for a comparison between historic Hispanics and recent migrants to explore craniofacial trends over a broad time period, as both groups originate from Mexico. The present research addresses two main questions: (1) Are cranial secular changes evident in recent Mexican migrants? (2) Are historic Hispanics and recent Mexican migrants similar? By studying secular changes within a migrant population group, secular trends may be detected, which will be important for understanding the biological variation of the migrants themselves and will serve as a preliminary investigation of secular change within Mexican migrants. The comparison of a sample of recent Mexican migrants with a historic Hispanic sample, predominantly of Mexican origin, allows us to explore morphological similarities and differences between early and recent Mexicans within the United States. Vault and face size and a total of 82 craniofacial interlandmark distances were used to explore secular changes within the recent Mexican migrants (females, n = 38; males, n = 178) and to explore the morphological similarities between historic Hispanics (females, n = 54; males, n = 58) and recent migrants. Sexes were separated, and multivariate adaptive regression splines and basis splines (quadratic with one knot) were used to assess the direction and magnitude

  12. Internal differential collision attacks on the reduced-round Grøstl-0 hash function

    DEFF Research Database (Denmark)

    Ideguchi, Kota; Tischhauser, Elmar Wolfgang; Preneel, Bart

    2014-01-01

    . This results in collision attacks and semi-free-start collision attacks on the Grøstl-0 hash function and compression function with reduced rounds. Specifically, we show collision attacks on the Grøstl-0-256 hash function reduced to 5 and 6 out of 10 rounds with time complexities 248 and 2112 and on the Grøstl......-0-512 hash function reduced to 6 out of 14 rounds with time complexity 2183. Furthermore, we demonstrate semi-free-start collision attacks on the Grøstl-0-256 compression function reduced to 8 rounds and the Grøstl-0-512 compression function reduced to 9 rounds. Finally, we show improved...

  13. On the Computation of Comprehensive Boolean Gröbner Bases

    Science.gov (United States)

    Inoue, Shutaro

    We show that a comprehensive Boolean Gröbner basis of an ideal I in a Boolean polynomial ring B (bar A,bar X) with main variables bar X and parameters bar A can be obtained by simply computing a usual Boolean Gröbner basis of I regarding both bar X and bar A as variables with a certain block term order such that bar X ≫ bar A. The result together with a fact that a finite Boolean ring is isomorphic to a direct product of the Galois field mathbb{GF}_2 enables us to compute a comprehensive Boolean Gröbner basis by only computing corresponding Gröbner bases in a polynomial ring over mathbb{GF}_2. Our implementation in a computer algebra system Risa/Asir shows that our method is extremely efficient comparing with existing computation algorithms of comprehensive Boolean Gröbner bases.

  14. Nervios and dysphoria in Mexican American widows.

    Science.gov (United States)

    Kay, M; Portillo, C

    1989-01-01

    One hundred widows participating in experimental research entitled Efficacy of Support Groups for Mexican American Widows were studied to learn how they express the loss of their husbands. Mourning practices, acknowledged symptoms of dysphoria, and somatic reactions were studied to learn if the syndrome of nervios subsumes their reaction to bereavement. In addition, their responses to instruments designed to measure depression, the Spanish version of the Beck Depression Inventory and the Center for Epidemiologic Studies Depression Scale, were examined for correlation with nervios and relationships to Mexican American acculturation. Nervios seems to be a manifestation of dysphoria rather than a specific syndrome for these women.

  15. Mexican oil industry: Shifting to difficult oil

    Energy Technology Data Exchange (ETDEWEB)

    Bazan G., Gerardo; Gonzalez, Cristobal J.

    2010-09-15

    Mexico has stepped into an important transition of declining oil fields and new challenging oil projects. The aim of this paper is to show a new perspective of the oil resources that have been exploited throughout the Mexican territory, as well as the remaining resources yet to be exploited. We have developed a resources/production-costs chart that illustrates the historical and future development of the Mexican oil industry, showing the shift that the industry will face in the coming years; this chart was taken from a model already in use by the most prestige energy agencies in the world.

  16. Invisible Infantry: Mexicans in World War II

    Directory of Open Access Journals (Sweden)

    Enrique Plasencia de la Parra

    2003-04-01

    Full Text Available This paper analyses the  participation of Mexican  and  Mexican- American troops in the United States army during World War II. Recruiting, discrimination, their  role  in the  armed forces  and their reinsertion into society once the war ended, are examined. Special emphasis is placed  on the  Hispanics  fight for their  civil and political rights that was carried on very actively by many War veterans.

  17. Employers mexican migrants in the United States

    Directory of Open Access Journals (Sweden)

    Eduardo Fernández Guzmán

    2013-09-01

    Full Text Available You might think that by definition the migrant labor plays in less profitable niches and meager social mobility. However, a large group of migrants in different economically developed countries have successfully launched businesses of diverse nature and volume. This is why entrepreneurship of migrants is an issue that has received increasing attention in recent years. Compared to other immigrant groups in the United States, Mexicans show low levels of entrepreneurial activity. The aim of this paper is to, through a general literature review of official statistical data, a preliminary analysis of mexican migrant entrepreneurship in the United States, that is to say in recent years has been growing in importance.

  18. Adolescentes e grávidas: onde buscam apoio?

    Directory of Open Access Journals (Sweden)

    Roselí Aparecida Godinho

    Full Text Available Adolescência é época de crise, mudança, readaptação ao novo corpo e de novas atitudes frente a vida. Se somarmos a isso o significado da gravidez, dos pontos de vista pessoal, social e familiar, compreenderemos como a gestação pode ser um evento difícil para a adolescente. O presente estudo teve como objetivo identificar onde as adolescentes grávidas buscam apoio. Evidenciou-se que as entrevistadas puderam contar com o apoio da família, principalmente dos pais e, com menos freqüência com o do pai do bebê, bem como a aceitação da gravidez, sua relação com o abandono escolar, a visão idealizada dessas garotas acerca da gestação e expectativas futuras, a preocupação com aspectos biológicos e a despreocupação com problemas concretos.

  19. GrEMBOSS: EMBOSS over the EELA GRID

    Energy Technology Data Exchange (ETDEWEB)

    Bonavides-Martinez, C.; Murrieta-Leon, E.; Verleyen, J.; Zayas-Lagunas, R.; Hernandez-Alvarez, A.; Rodriguez-Bahena, R.; Valverde, J. R.; Branger, P. A.; Sarachu, M.

    2007-07-01

    With the growth of genome databases and the implied complexity for processing such information within bioinformatics research, there is a need for computing power and massive storage facilities which can be provided by Grid infrastructures. EMBOSS is a free Open Source sequence analysis package specially developed for the needs of the bioinformatics and molecular biology user community. This work describes the deployment of EMBOSS over the EELA and EGEE Grids, both gLite middle ware-based infrastructures. This work is focused on rewriting the I/O EMBOSS libraries (AJAX) to use the GFAL from the LCG/EGEE middle ware. This library allows the use of files registered on the catalog service which are contained in the storage elements of a Grid. Submitting a job into a Grid is not an intuitive task. This work also describes an ad hoc mechanism to allow bioinformaticians to concentrate on the EMBOSS command, instead of acquiring advanced knowledge about Grid usage. The results obtained so far demonstrate the functionality of GrEMBOSS, and represent an efficient and viable alternative for gridifying other bioinformatics applications. (Author)

  20. GrEMBOSS: EMBOSS over the EELA GRID

    International Nuclear Information System (INIS)

    Bonavides-Martinez, C.; Murrieta-Leon, E.; Verleyen, J.; Zayas-Lagunas, R.; Hernandez-Alvarez, A.; Rodriguez-Bahena, R.; Valverde, J. R.; Branger, P. A.; Sarachu, M.

    2007-01-01

    With the growth of genome databases and the implied complexity for processing such information within bioinformatics research, there is a need for computing power and massive storage facilities which can be provided by Grid infrastructures. EMBOSS is a free Open Source sequence analysis package specially developed for the needs of the bioinformatics and molecular biology user community. This work describes the deployment of EMBOSS over the EELA and EGEE Grids, both gLite middle ware-based infrastructures. This work is focused on rewriting the I/O EMBOSS libraries (AJAX) to use the GFAL from the LCG/EGEE middle ware. This library allows the use of files registered on the catalog service which are contained in the storage elements of a Grid. Submitting a job into a Grid is not an intuitive task. This work also describes an ad hoc mechanism to allow bioinformaticians to concentrate on the EMBOSS command, instead of acquiring advanced knowledge about Grid usage. The results obtained so far demonstrate the functionality of GrEMBOSS, and represent an efficient and viable alternative for gridifying other bioinformatics applications. (Author)

  1. Análise comparativa das PE e PI máximas entre mulheres grávidas e não-grávidas e entre grávidas de diferentes períodos gestacionais

    Directory of Open Access Journals (Sweden)

    Leila Graziele Dias de Almeida

    2005-10-01

    Full Text Available O propósito deste estudo foi de verificar as possíveis diferenças entre as pressões inspiratórias e expiratórias máxima de mulheres grávidas e não-grávidas, bem como entre grávidas de períodos gestacionais diferentes. Para obtenção das informações propostas, foi utilizado o aparelho manuvacuômetro MVD 500, Mhmicrohard Global Med, como instrumento aferidor das pressões expiratória e inspiratória máxima de gestantes e não-gestantes compreendidas dentro de um mesmo grupo etário. O critério utilizado para seleção de informantes desta pesquisa foi estar grávida para um dos grupos e não estar grávida para o outro, sendo as mesmas escolhidas aleatoriamente através de indicações de informantes. A abordagem das informantes foi realizada em suas residências onde foram coletados dados de pressão inspiratória e expiratória máximas para posteriormente serem organizados, processados, categorizados e finalmente obter-se as médias encontradas nos grupos da amostra da pesquisa. As médias de pressão inspiratória e expiratória máximas obtidas nos grupos das gestantes foram as seguintes: PEmax.= 51,3cm H20; e Pimax= 48,3 cm H20; já as médias encontradas no grupo das não-gestantes foram: PEmax = 73 cm H2O, Pimax= 69,2cm H2O. As gestantes pertencentes ao subgrupo do primeiro ao quinto mês apresentaram uma média de PE= 56 cm H2O, e de PI= 60 cm H2O, enquanto que as gestantes do subgrupo a partir do sexto mês apresentaram as médias de PE e Pi= 56 cm H2O e 43,2 cm H2O respectivamente. Os resultados obtidos forneceram subsídios para inferir que existem diferenças entre as pressões inspiratória e expiratória máximas entre grávidas e não-grávidas, bem como em grávidas de período gestacionais diferentes

  2. The Smell of Memories. A Mexican Migrant’s Search for Emotional Sustainability through Mexican Films.

    OpenAIRE

    Gabriela Coronado

    2011-01-01

    For more than 10 years living as a Mexican migrant, between two countries (Mexico and Australia), two cities (Mexico City and Sydney), and two social worlds (Mexican and multicultural Australian ‘families-friends’), I have been immersed in a systematic process of self observation and self reflection on my life in my country of destination. During this time I have explored my memories of place and their relationship with my emotional experiences, looking for strategies to continue to be connec...

  3. Subjective Social Status, Mental and Psychosocial Health, and Birth Weight Differences in Mexican-American and Mexican Immigrant Women.

    Science.gov (United States)

    Fleuriet, K Jill; Sunil, T S

    2015-12-01

    Recent Mexican immigrant women on average have an unexpectedly low incidence of low birth weight (LBW). Birth weights decline and LBW incidence increases in post-immigrant generations. This pilot project tested the hypothesis that subjective social status (SSS) of pregnant women predicts variation in birth weight between Mexican immigrant and Mexican-American women. 300 low-income pregnant Mexican immigrant and Mexican-American women in South Texas were surveyed for SSS, depression, pregnancy-related anxiety, perceived social stress and self-esteem and subsequent birth weight. No significant difference in SSS levels between pregnant Mexican immigrant and Mexican-American women were found. However, SSS better predicted variation in birth weight across both groups than mental and psychosocial health variables. Results suggest distinct relationships among SSS, mental and psychosocial health that could impact birth weight. They underscore the relevance of a multilevel, biopsychosocial analytical framework to studying LBW.

  4. Mexican-Americans in the Southwest.

    Science.gov (United States)

    Galarza, Ernesto; And Others

    With findings as presented in this 1969 book, a 2-year field study conducted by a 3-member team analyzed the economic, cultural, political, and educational conditions of Mexican Americans in the Southwest (California, Arizona, New Mexico, Colorado, and Texas) with some reference to braceros and the situation in Mexico. An overview of 8 geographic…

  5. Barreda, Vasconcelos, and Mexican Educational Reforms.

    Science.gov (United States)

    Skirius, John

    1983-01-01

    Reviews the contributions to Mexican education of Gabino Barredas' positivism between 1867-1898 and the contributions of Jose Vasconcelos during the 1920s. Discusses the secondary curriculum reforms of Barreda's era and the vocational education and the education for women and adults during the Vasconcelos era. (SB)

  6. Weight Preoccupation in Female Mexican American Adolescents.

    Science.gov (United States)

    Guinn, Bobby; Jorgensen, Layne; Semper, Tom; Vincent, Vern

    2002-01-01

    Investigated the contribution of body size, self-esteem, age, mainstream acculturation, and athletic status to concern or preoccupation about weight among female Mexican American adolescents. Students had low acculturation, high body fatness, and moderate self-esteem. There was little difference between athletes and non-athletes. Greater body size…

  7. New offshore platform in the Mexican Gulf

    Energy Technology Data Exchange (ETDEWEB)

    Beisel, T.

    1982-04-01

    After a construction period of only 10 months, the second steel Offshore platform was recently completed in the Mexican Gulf. The pattern for this structure was the Cognac platform. The erection of the new platform, called the 'Cerveza' platform, is described in the article.

  8. Conflict Resolution between Mexican Origin Adolescent Siblings

    Science.gov (United States)

    Killoren, Sarah E.; Thayer, Shawna M.; Updegraff, Kimberly A.

    2008-01-01

    We investigated correlates of adolescents' sibling conflict resolution strategies in 246, two-parent Mexican origin families. Specifically, we examined links between siblings' conflict resolution strategies and sibling dyad characteristics, siblings' cultural orientations and values, and sibling relationship qualities. Data were gathered during…

  9. The Mexican American Woman and Mental Health.

    Science.gov (United States)

    Gibson, Guadalupe

    For a long time Chicanas have been self-denying, self sacrificing. Well, it is time that Mexican American women began thinking of themselves. It follows that if women love and cherish others, they must begin by loving and cherishing themselves. From the mental health perspective it is essential that they do so, not only for their sake, but for…

  10. Civic Engagement Patterns of Undocumented Mexican Students

    Science.gov (United States)

    Perez, William; Espinoza, Roberta; Ramos, Karina; Coronado, Heidi; Cortes, Richard

    2010-01-01

    This study examined the civic engagement of undocumented Mexican students. Civic engagement was defined as providing a social service, activism, tutoring, and functionary work. Survey data results (n = 126) suggest that despite high feelings of rejection because of their undocumented status, part-time employment, and household responsibilities,…

  11. Open Access to Mexican Academic Production

    Science.gov (United States)

    Adame, Silvia I.; Llorens, Luis

    2016-01-01

    This paper presents a description of the metadata harvester software development. This system provides access to reliable and quality educational resources, shared by Mexican Universities through their repositories, to anyone with Internet Access. We present the conceptual and contextual framework, followed by the technical basis, the results and…

  12. The Mexican-American and Dramatic Literature.

    Science.gov (United States)

    Serrano, Hector M.

    In the area of the arts, the Mexican American has discovered a rich cultural heritage which gives him a strong sense of pride and a deep feeling of satisfaction. A new interest in the literature of Mexico and the Southwestern states of Texas, Arizona, New Mexico, Colorado, and California has started the Chicano people reading classic and modern…

  13. Decision Profiles of Mexican-Descent Families.

    Science.gov (United States)

    Baker, Georgianne

    An exploratory study of decision-making in families of Mexican heritage was carried out in Phoenix, Arizona. A Normative model of decision rationality and measurement (Family Problem Instrument-FPI) was adapted from previous research. Tape-recorded data were provided by 27 families. Husbands and wives responded separately to family decision…

  14. Structural Modeling of GR Interactions with the SWI/SNF Chromatin Remodeling Complex and C/EBP

    DEFF Research Database (Denmark)

    Muratcioglu, Serena; Presman, Diego M; Pooley, John R

    2015-01-01

    The glucocorticoid receptor (GR) is a steroid-hormone-activated transcription factor that modulates gene expression. Transcriptional regulation by the GR requires dynamic receptor binding to specific target sites located across the genome. This binding remodels the chromatin structure to allow...... interaction with other transcription factors. Thus, chromatin remodeling is an essential component of GR-mediated transcriptional regulation, and understanding the interactions between these molecules at the structural level provides insights into the mechanisms of how GR and chromatin remodeling cooperate...

  15. Combining hydro-generation and wind energy. Biddings and operation on electricity spot markets

    International Nuclear Information System (INIS)

    Angarita, Jorge Marquez; Usaola, Julio Garcia

    2007-01-01

    Wind generation is growing rapidly in all the world, especially in Europe. The power produced by this kind of generation is difficult to predict and the predictions are not very accurate. In most systems these imbalances are costly. These penalties reduce the revenue for the wind generation company (WGENCOs). An option to solve this problem would be to work together with another agent. In this paper, a combined strategy for bidding and operating in a power exchange is presented. It considers the combination of a WGENCO and a hydro-generation company (HGENCO). The mathematical formulation for the optimal bids and for the optimal operation is presented, as well as results from realistic cases. (author)

  16. Modeling bidding decision in engineering field with incomplete information: A static game–based approach

    Directory of Open Access Journals (Sweden)

    Zhi-xing Huang

    2016-01-01

    Full Text Available Corporate investment decision about engineering projects is a key issue for project management. This article aims to study the process of bidding decision-making in engineering field under the condition of incomplete information and investigating the influence of bidders’ game behaviors on investment decision. With reasonable assumed scenes, this article uses an approach to describe the decision process for bidding. The approach is based on the static game theory. With the proposed model, the effectiveness of game participants and the objective function are put forward, and the characteristics of price quotation and the best strategies of bidders under the equilibrium condition are discussed. The results can give a better understanding of investment decision in engineering management and are helpful for tenderees to avoid excessive competition among bidders.

  17. Bidding strategy based on artificial intelligence for a competitive electric market

    International Nuclear Information System (INIS)

    Hong, Y.-Y.; Tsai, S.-W.; Weng, M.-T.

    2001-01-01

    A bidding strategy using a fuzzy-c-mean (FCM) algorithm and the artificial neural network (ANN) was developed for competitive electric markets. The nodal price information was assumed to be released into the market. The FCM was used, first, to classify the daily load pattern into peak, medium-peak and off-peak levels and, secondly, to classify the competitive generation companies (gencos) into less-menacing, possible-menacing and menacing gencos. The back-propagation ANN was used for determining the bidding price for a genco. The FCM results aided in lessening the training data and reducing the ANN input nodes. The IEEE 30-busbar system was used for illustrating the applicability of the proposed method. (Author)

  18. Stochastic Optimal Wind Power Bidding Strategy in Short-Term Electricity Market

    DEFF Research Database (Denmark)

    Hu, Weihao; Chen, Zhe; Bak-Jensen, Birgitte

    2012-01-01

    Due to the fluctuating nature and non-perfect forecast of the wind power, the wind power owners are penalized for the imbalance costs of the regulation, when they trade wind power in the short-term liberalized electricity market. Therefore, in this paper a formulation of an imbalance cost...... minimization problem for trading wind power in the short-term electricity market is described, to help the wind power owners optimize their bidding strategy. Stochastic optimization and a Monte Carlo method are adopted to find the optimal bidding strategy for trading wind power in the short-term electricity...... market in order to deal with the uncertainty of the regulation price, the activated regulation of the power system and the forecasted wind power generation. The Danish short-term electricity market and a wind farm in western Denmark are chosen as study cases due to the high wind power penetration here...

  19. New bidding strategy formulation for day-ahead energy and reserve markets based on evolutionary programming

    International Nuclear Information System (INIS)

    Attaviriyanupap, Pathom; Kita, Hiroyuki; Tanaka, Eiichi; Hasegawa, Jun

    2005-01-01

    In this paper, a new bidding strategy for a day-ahead market is formulated. The proposed algorithm is developed from the viewpoint of a generation company wishing to maximize a profit as a participant in the deregulated power and reserve markets. Separate power and reserve markets are considered, both are operated by clearing price auction system. The optimal bidding parameters for both markets are determined by solving an optimization problem that takes unit commitment constraints such as generating limits and unit minimum up/down time constraints into account. This is a non-convex and non-differentiable which is difficult to solve by traditional optimization techniques. In this paper, evolutionary programming is used to solve the problem. The algorithm is applied to both single-sided and double-sided auctions, numerical simulations are carried out to demonstrate the performance of the proposed scheme compared with those obtained from a sequential quadratic programming. (author)

  20. Bidding strategy based on artificial intelligence for a competitive electric market

    Energy Technology Data Exchange (ETDEWEB)

    Hong, Y.-Y.; Tsai, S.-W.; Weng, M.-T. [Chung Yuan Univ., Dept. of Electrical Engineering, Chung Li (China)

    2001-03-01

    A bidding strategy using a fuzzy-c-mean (FCM) algorithm and the artificial neural network (ANN) was developed for competitive electric markets. The nodal price information was assumed to be released into the market. The FCM was used, first, to classify the daily load pattern into peak, medium-peak and off-peak levels and, secondly, to classify the competitive generation companies (gencos) into less-menacing, possible-menacing and menacing gencos. The back-propagation ANN was used for determining the bidding price for a genco. The FCM results aided in lessening the training data and reducing the ANN input nodes. The IEEE 30-busbar system was used for illustrating the applicability of the proposed method. (Author)

  1. Bidding Strategy to Support Decision-Making Based on Comprehensive Information in Construction Projects

    Directory of Open Access Journals (Sweden)

    Ru Liang

    2016-01-01

    Full Text Available This paper develops a unified method to support contractor for bidding selection in construction projects. A cross-functional contractor with 28 candidate units distributed in the three departments (construction units, design units, and suppliers is used as an example. This problem is first formulated as a 0-1 quadratic programming problem through optimizing individual performance and collaborative performance of the candidate units based on individual information and collaborative information. Then, a multiobjective evolutionary algorithm is designed to solve this problem and a bidding selection problem for a major bridge project is used to demonstrate our proposed method. The results show that the decision-maker (DM obtains a better contractor if he pays more attention to collaborative performance.

  2. Paying Medicare Advantage plans by competitive bidding: how much competition is there?

    Science.gov (United States)

    Biles, Brian; Pozen, Jonah; Guterman, Stuart

    2009-08-01

    Private health plans that enroll Medicare beneficiaries--known as Medicare Advantage (MA) plans--are being paid $11 billion more in 2009 than it would cost to cover these beneficiaries in regular fee-for-service Medicare. To generate Medicare savings for offsetting the costs of health reform, the Obama Administration has proposed eliminating these extra payments to private insurers and instituting a competitive bidding system that pays MA plans based on the bids they submit. This study examines the concentration of enrollment among MA plans and the degree to which firms offering MA plans actually face competition. The results show that in the large majority of U.S. counties, MA plan enrollment is highly concentrated in a small number of firms. Given the relative lack of competition in many markets as well as the potential impact on traditional Medicare, the authors call for careful consideration of a new system for setting MA plan payments.

  3. Bidding strategy for pumped-storage plant in pool-based electricity market

    International Nuclear Information System (INIS)

    Kanakasabapathy, P.; Shanti Swarup, K.

    2010-01-01

    This paper develops optimal bidding strategies for a pumped-storage plant in a pool-based electricity market. In the competitive regime, when compared to simple hydroelectric generator, profit of the pumped-storage plant is maximized by operating it as a generator when market clearing price is high and as a pump when the price is low. Based on forecasted hourly market clearing price, a multistage looping algorithm to maximize the profit of a pumped-storage plant is developed, considering both the spinning and non-spinning reserve bids and meeting the technical operating constraints of the plant. The proposed model is adaptive for the nonlinear three-dimensional relationship between the power produced, the energy stored, and the head of the associated reservoir. Different operating cycles for a realistic pumped-storage plant are considered and simulation results are reported and compared. (author)

  4. Price-Taker Offering Strategy in Electricity Pay-as-Bid Markets

    DEFF Research Database (Denmark)

    Mazzi, Nicolò; Kazempour, Jalal; Pinson, Pierre

    2017-01-01

    The recent increase in the deployment of renewable energy sources may affect the offering strategy of conventional producers, mainly in the balancing market. The topics of optimal offering strategy and self-scheduling of thermal units have been extensively addressed in the literature. The feasible...... operating region of such units can be modeled using a mixed-integer linear programming approach, and the trading problem as a linear programming problem. However, the existing models mostly assume a uniform pricing scheme in all market stages, while several European balancing markets (e.g., in Germany...... and Italy) are settled under a pay-as-bid pricing scheme. The existing tools for solving the trading problem in pay-as-bid electricity markets rely on non-linear optimization models, which, combined with the unit commitment constraints, result in a mixed-integer non-linear programming problem. In contrast...

  5. National Emission Standards for Hazardous Air Pollutants (NESHAP) for Lime Manufacturing Background Information Document (BID): Public Comments and Responses

    Science.gov (United States)

    On December 20, 2002, the EPA proposed national emission standards for HAP emissions from lime manufacturing plants located at major source facilities (67 FR 78046). Summaries of the comments, and the EPA's responses, are presented in this BID.

  6. Uranium Mill Tailings Remedial Action Project (UMTRAP), Slick Rock, Colorado, Revision 1. Bid schedule, special conditions, specifications, and subcontract drawings

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1995-10-01

    This volume contains: bidding requirements; terms and conditions; specifications for Division 1 -- general requirements; specifications for Division 2 -- sitework; specifications for Divisions 5 -- metals; subcontract drawings, (general, Union Carbide processing site, North Continent processing site, and Burro Canyon disposal site).

  7. 48 CFR 9904.420 - Accounting for independent research and development costs and bid and proposal costs.

    Science.gov (United States)

    2010-10-01

    ... Regulations System COST ACCOUNTING STANDARDS BOARD, OFFICE OF FEDERAL PROCUREMENT POLICY, OFFICE OF MANAGEMENT AND BUDGET PROCUREMENT PRACTICES AND COST ACCOUNTING STANDARDS COST ACCOUNTING STANDARDS 9904.420 Accounting for independent research and development costs and bid and proposal costs. ...

  8. Uranium Mill Tailings Remedial Action Project (UMTRAP), Slick Rock, Colorado, Revision 1. Bid schedule, special conditions, specifications, and subcontract drawings

    International Nuclear Information System (INIS)

    1995-01-01

    This volume contains: bidding requirements; terms and conditions; specifications for Division 1 -- general requirements; specifications for Division 2 -- sitework; specifications for Divisions 5 -- metals; subcontract drawings, (general, Union Carbide processing site, North Continent processing site, and Burro Canyon disposal site)

  9. The Price Is Right, but Are the Bids? An Investigation of Rational Decision Theory.

    OpenAIRE

    Berk, Jonathan B; Hughson, Eric; Vandezande, Kirk

    1996-01-01

    The television game show The Price Is Right is used as a laboratory to conduct a preference-free test of rational decision theory in an environment with substantial economic incentives. It is found that contestants' strategies are transparently suboptimal. In response to this evidence, simple rules of thumb are developed that are shown to explain observed bidding patterns better than rational decision theory. Further, learning during the show reduces the frequency of strategic errors. This is...

  10. Eesti tüübid : meie siin maal / Maris Rosenthal

    Index Scriptorium Estoniae

    Rosenthal, Maris

    2009-01-01

    Eesti Rahva Muuseumi ja fotograaf Alar Madissoni projekti "Eesti tüübid" raames valminud fotonäitus "Meie siin maal" Tartus Raadi mõisapargis. Kaasaega dokumenteeriva projekti eesmärgiks oli jäädvustada kõigis Eesti maakondades elavaid eri generatsioonide ja sotsiaalsete rühmade esindajaid ERMi fotokogu täiendamiseks. Meenutusi pildistamistelt 2008. aasta suvel

  11. Manufacturers’ Bids for WIC Infant Formula Rebate Contracts, 2003-2013

    OpenAIRE

    Oliveira, Victor; Davis, David

    2015-01-01

    The U.S. Department of Agriculture’s Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) is the major purchaser of infant formula in the United States, and its mandatory rebate program saved WIC $1.9 billion in FY 2013. WIC State agencies are required by law to have competitively bid infant formula rebate contracts with infant formula manufacturers. Contracts are awarded to the manufacturer offering the WIC State agency the lowest net price (as determined by the manu...

  12. Frukt og grønt i mat og helsefaget. En casestudie

    OpenAIRE

    Kristoffersen, Mirjam

    2016-01-01

    Masteroppgave i fysisk aktivitet og kosthold i et skolemiljø Bakgrunn og hensikt: Studier viser at barn og unge har et for lavt inntak av frukt og grønt i forhold til hva som er anbefalt. Skolen er en arena hvor en kan nå mange med kunnskap om hvorfor en bør spise mer frukt og grønnsaker. Spesielt faget mat og helse kan bidra til å belyse temaet gjennom undervisningen. Hensikten med denne studien er å bidra med kunnskap om hva som blir brukt av frukt og grønnsaker og hvordan det blir benyt...

  13. Bidding Strategy of Virtual Power Plant with Energy Storage Power Station and Photovoltaic and Wind Power

    Directory of Open Access Journals (Sweden)

    Zhongfu Tan

    2018-01-01

    Full Text Available For the virtual power plants containing energy storage power stations and photovoltaic and wind power, the output of PV and wind power is uncertain and virtual power plants must consider this uncertainty when they participate in the auction in the electricity market. In this context, this paper studies the bidding strategy of the virtual power plant with photovoltaic and wind power. Assuming that the upper and lower limits of the combined output of photovoltaic and wind power are stochastically variable, the fluctuation range of the day-ahead energy market and capacity price is stochastically variable. If the capacity of the storage station is large enough to stabilize the fluctuation of the output of the wind and photovoltaic power, virtual power plants can participate in the electricity market bidding. This paper constructs a robust optimization model of virtual power plant bidding strategy in the electricity market, which considers the cost of charge and discharge of energy storage power station and transmission congestion. The model proposed in this paper is solved by CPLEX; the example results show that the model is reasonable and the method is valid.

  14. Understanding Irrigator Bidding Behavior in Australian Water Markets in Response to Uncertainty

    Directory of Open Access Journals (Sweden)

    Alec Zuo

    2014-11-01

    Full Text Available Water markets have been used by Australian irrigators as a way to reduce risk and uncertainty in times of low water allocations and rainfall. However, little is known about how irrigators’ bidding trading behavior in water markets compares to other markets, nor is it known what role uncertainty and a lack of water in a variable and changing climate plays in influencing behavior. This paper studies irrigator behavior in Victorian water markets over a decade (a time period that included a severe drought. In particular, it studies the evidence for price clustering (when water bids/offers end mostly around particular numbers, a common phenomenon present in other established markets. We found that clustering in bid/offer prices in Victorian water allocation markets was influenced by uncertainty and strategic behavior. Water traders evaluate the costs and benefits of clustering and act according to their risk aversion levels. Water market buyer clustering behavior was mostly explained by increased market uncertainty (in particular, hotter and drier conditions, while seller-clustering behavior is mostly explained by strategic behavioral factors which evaluate the costs and benefits of clustering.

  15. Aspects if stochastic models for short-term hydropower scheduling and bidding

    Energy Technology Data Exchange (ETDEWEB)

    Belsnes, Michael Martin [Sintef Energy, Trondheim (Norway); Follestad, Turid [Sintef Energy, Trondheim (Norway); Wolfgang, Ove [Sintef Energy, Trondheim (Norway); Fosso, Olav B. [Dep. of electric power engineering NTNU, Trondheim (Norway)

    2012-07-01

    This report discusses challenges met when turning from deterministic to stochastic decision support models for short-term hydropower scheduling and bidding. The report describes characteristics of the short-term scheduling and bidding problem, different market and bidding strategies, and how a stochastic optimization model can be formulated. A review of approaches for stochastic short-term modelling and stochastic modelling for the input variables inflow and market prices is given. The report discusses methods for approximating the predictive distribution of uncertain variables by scenario trees. Benefits of using a stochastic over a deterministic model are illustrated by a case study, where increased profit is obtained to a varying degree depending on the reservoir filling and price structure. Finally, an approach for assessing the effect of using a size restricted scenario tree to approximate the predictive distribution for stochastic input variables is described. The report is a summary of the findings of Work package 1 of the research project #Left Double Quotation Mark#Optimal short-term scheduling of wind and hydro resources#Right Double Quotation Mark#. The project aims at developing a prototype for an operational stochastic short-term scheduling model. Based on the investigations summarized in the report, it is concluded that using a deterministic equivalent formulation of the stochastic optimization problem is convenient and sufficient for obtaining a working prototype. (author)

  16. Business valuation: an analysis of projected cash flows versus takeover bids

    Directory of Open Access Journals (Sweden)

    Camila Menezes

    2017-12-01

    Full Text Available One of the main financial statements is the Cash Flow. It became mandatory from the law # 11,638/2007 on, which changed the law # 6,404/1976 – the Corporations’ law, and the Cash Flow statement allows analysis about the companies’ operations activities effects, investing and financing, highlighting their main sources of financial allocation. In 2005 and 2006, 37 companies registered takeover bids in the Brazilian Securities Exchange Commission (CVM – Comissão de Valores Mobiliários. Based on these companies’ analysis of Projected Cash Flows (FCP – Fluxos de Caixa Projetados when the takeover bids were put in place and their Actual Cash Flows (FCR – Fluxo de Caixa Realizados the objective of this work was to compare those cash flows, to analyze the differences between the Statements of Cash Flows attached to the Appraisal Reports and the actual ones, as well as to check if these companies’ cash were in line with the balances projected in the takeover bids. The obtained results via statistical analysis of differences between the Projected Cash Flows attached to the Appraisal Reports and the effective Actual Cash Flows, all of them compared in the period between 2007 and 2013, did not show significant differences among them. IE: it was observed that, nevertheless the companies did not accomplish the promised Cash Flows delivery when the OPAs were put in place, the differences between the balances projected and the actual ones were not statistically significant.

  17. Racial Identity and Racial Treatment of Mexican Americans.

    Science.gov (United States)

    Ortiz, Vilma; Telles, Edward

    2012-04-01

    How racial barriers play in the experiences of Mexican Americans has been hotly debated. Some consider Mexican Americans similar to European Americans of a century ago that arrived in the United States with modest backgrounds but were eventually able to participate fully in society. In contrast, others argue that Mexican Americans have been racialized throughout U.S. history and this limits their participation in society. The evidence of persistent educational disadvantages across generations and frequent reports of discrimination and stereotyping support the racialization argument. In this paper, we explore the ways in which race plays a role in the lives of Mexican Americans by examining how education, racial characteristics, social interactions, relate to racial outcomes. We use the Mexican American Study Project, a unique data set based on a 1965 survey of Mexican Americans in Los Angeles and San Antonio combined with surveys of the same respondents and their adult children in 2000, thereby creating a longitudinal and intergenerational data set. First, we found that darker Mexican Americans, therefore appearing more stereotypically Mexican, report more experiences of discrimination. Second, darker men report much more discrimination than lighter men and than women overall. Third, more educated Mexican Americans experience more stereotyping and discrimination than their less-educated counterparts, which is partly due to their greater contact with Whites. Lastly, having greater contact with Whites leads to experiencing more stereotyping and discrimination. Our results are indicative of the ways in which Mexican Americans are racialized in the United States.

  18. A combination of SILAC and nucleotide acyl phosphate labelling reveals unexpected targets of the Rsk inhibitor BI-D1870.

    Science.gov (United States)

    Edgar, Alexander J; Trost, Matthias; Watts, Colin; Zaru, Rossana

    2014-02-01

    Protein kinase inhibitors frequently have interesting effects that cannot be fully ascribed to the intended target kinase(s) but identifying additional targets that might explain the effects is not straightforward. By comparing two different inhibitors of the Rsk (p90 ribosomal S6 kinase) kinases, we found that the increasingly used compound BI-D1870 had biological effects in murine DCs (dendritic cells) that could not be solely ascribed to Rsk or other documented targets. We assessed the ability of BI-D1870 and a second Rsk inhibitor, BIX 02565 to protect enzyme active sites from reaction with biotinylated nucleotide acyl phosphates. Using SILAC (stable isotope labelling by amino acids in cell culture)-labelled DC lysates as a source of enzyme targets, we identify several kinases that interact with BI-D1870 but not with BIX 02565. We confirmed that these kinases, including Slk, Lok and Mst1, are inhibited by BI-D1870 but to a much lesser extent by BIX 02565 and that phosphorylation of some of their substrates is blocked by BI-D1870 in living cells. Our results suggest that the BI-D1870 inhibitor should be used with caution. The SILAC-based methodology we used should be useful for further comparative unbiased profiling of the target spectrum of kinase inhibitors with interesting biological effects under conditions that closely mimic those found in cells. © 2014 The author(s).

  19. Trajectories of Mexican American and mainstream cultural values among Mexican American adolescents.

    Science.gov (United States)

    Knight, George P; Basilio, Camille D; Cham, Heining; Gonzales, Nancy A; Liu, Yu; Umaña-Taylor, Adriana J

    2014-12-01

    Mexican Americans are one of the largest and fastest growing ethnic groups in the United States, yet we have limited knowledge regarding changes (i.e., developmental trajectories) in cultural orientation based upon their exposure to the Mexican American and mainstream cultures. We examined the parallel trajectories of Mexican American and mainstream cultural values in a sample of 749 Mexican American adolescents (49 % female) across assessments during the fifth grade (approximately 11 years of age), the seventh grade (approximately 13 years of age) and the tenth grade (approximately 16 years of age). We expected that these values would change over this developmental period and this longitudinal approach is more appropriate than the often used median split classification to identify distinct types of acculturation. We found four distinct acculturation trajectory groups: two trajectory groups that were increasing slightly with age in the endorsement of mainstream cultural values, one of which was relatively stable in Mexican American cultural values while the other was declining in their endorsement of these values; and two trajectory groups that were declining substantially with age in their endorsement of mainstream cultural values, one of which was also declining in Mexican American cultural values and the other which was stable in these values. These four trajectory groups differed in expected ways on a number of theoretically related cultural variables, but were not highly consistent with the median split classifications. The findings highlight the need to utilize longitudinal data to examine the developmental changes of Mexican American individual's adaptation to the ethnic and mainstream culture in order to understand more fully the processes of acculturation and enculturation.

  20. The effect of virtual bidding on forward premiums in the New York wholesale energy market

    Science.gov (United States)

    Knudsen, Andrew D.

    In many parts of the United States, the power industry has been deregulated and replaced with regional wholesale energy markets, where utilities purchase electricity from generators at competitive market rates for subsequent distribution to customers. Numerous studies have shown that in each of these markets, the price of energy purchased in the Day Ahead (futures) market exceeds the price in the Real Time (spot) market on average. The existence of this "forward premium" is evidence of market inefficiency and may indicate participants' aversion to risk in the Real Time market or the exercise of market power by generators. To address this inefficiency, the New York Independent System Operator introduced a virtual bidding system within its wholesale market, which permitted participants to engage in purely financial transactions and hedge their exposure to risk. The new policy was expected to promote price convergence by allowing bidders to arbitrage expected differences between Day Ahead and Real Time prices. This study examines whether the presence of virtual bidding was associated with a change in the mean value and magnitude of forward premiums in the NYISO energy market. The study applies a GARCH model to hourly pricing data from 2001 to 2009, controlling for temperature and economic activity. The results indicate that prior to 2005, virtual bidding was associated with significantly lower and less volatile forward premiums in New York's five most congested zones but with increased premiums in the remaining less congested zones. However, when the entire period from 2001 to 2009 is examined, the results suggest that prices have become significantly more divergent in the presence of virtual bidding. Closer examination of the data reveals a dramatic increase in forward premium volatility across all zones beginning in 2005 that is not accounted for by temperature or economic activity and may have biased the results. This study attempts to account for this unexplained

  1. Grūdų kainų kitimo tendencijos Lietuvoje 2006–2010 metais

    OpenAIRE

    Bradūnas, Vidmantas

    2011-01-01

    Straipsnyje nagrinėjami Lietuvos grūdų rinkoje vykstantys ekonominiai procesai bei jų poveikis grūdų supirkimo kainų kitimo tendencijoms. 2006 metai augalininkystės sektoriui buvo labai nepalankūs, 2007–2009 metais žymiai padidėjo augalų derlingumas ir derlius, o 2010-ieji dėl nepalankių klimatinių sąlygų buvo nederlingi – javų derlingumas, palyginti su 2009 metais, sumažėjo 20,3 proc. Lietuvos grūdų rinka labiausiai priartėjusi prie monopolinės konkurencijos sąlygų, ir grūdų kainas teoriškai...

  2. GRtoGR: a system for mapping GO relations to gene relations.

    Science.gov (United States)

    Taha, Kamal

    2013-12-01

    We introduce in this paper a biological search engine called GRtoGR. Given a set of S genes, GRtoGR would determine from GO graph the most significant Lowest Common Ancestor (LCA) of the GO terms annotating the set S. This significant LCA annotates the genes that are the most semantically related to the set S. The framework of GRtoGR refines the concept of LCA by introducing the concepts of Relevant Lowest Common Ancestor (RLCA) and Semantically Relevant Lowest Common Ancestor (SRLCA). A SRLCA is the most significant LCA of the GO terms annotating the set S. We observe that the existence of the GO terms annotating the set S is dependent on the existence of this SRLCA in GO graph. That is, the terms annotating a given set of genes usually have existence dependency relationships with the SRLCA of these terms. We evaluated GRtoGR experimentally and compared it with nine other methods. Results showed marked improvement.

  3. Brief report: Volume dependence of Grüneisen parameter for solids

    Indian Academy of Sciences (India)

    Brief report: Volume dependence of Grüneisen parameter for solids under extreme ... Shivalik Institute of Engineering and Technology, Aliyaspur, Ambala 133 206, India ... Accepted: 1 October 2015; Final version published online: 9 July 2016 ...

  4. El diseño gráfico: de las cavernas a la era digital

    Directory of Open Access Journals (Sweden)

    Lic. Itanel Bastos de Quadros Junior

    1999-01-01

    Full Text Available Los expertos discrepan sobre las raíces del diseño gráfico. Algunos identifican las pinturas rupestres como ejemplos ancestrales de los signos gráficos; otros reconocen sus formas embrionarias en Egipto, Grecia, México y Roma. Varios autores consideran que el diseño gráfico surge al mismo tiempo que la imprenta. Una corriente apunta a las vanguardias artísticas del inicio de este siglo. Otros, todavía, emplazan al pensamiento contemporáneo, con respecto al diseño gráfico, después de la segunda guerra mundial, como un fenómeno adjunto al fuerte desarrollo industrial y de los medios de comunicación.

  5. Resource use and costs of exenatide bid or insulin in clinical practice: the European CHOICE study

    Directory of Open Access Journals (Sweden)

    Kiiskinen U

    2013-07-01

    Full Text Available Urpo Kiiskinen,1 Stephan Matthaei,2 Matthew Reaney,3 Chantal Mathieu,4 Claes-Göran Östenson,5 Thure Krarup,6 Michael Theodorakis,7,* Jacek Kiljanski,8 Carole Salaun-Martin,9 Hélène Sapin,9 Bruno Guerci10 1Eli Lilly, Helsinki, Finland; 2Quakenbrück Diabetes Center, Quakenbrück, Germany; 3Eli Lilly, Windlesham, Surrey, UK; 4Department of Endocrinology, UZ Gasthuisberg, Leuven, Belgium; 5Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden; 6Department of Endocrinology, Bispebjerg Hospital, Copenhagen, Denmark; 7Department of Clinical Therapeutics, University of Athens School of Medicine, Athens, Greece; 8Eli Lilly, Warsaw, Poland; 9Eli Lilly, Neuilly Cedex, France; 10Department of Diabetes, Metabolic Diseases, and Nutrition, Hôpital Brabois, Vandoeuvre-Lès-Nancy, France *Michael Theodorakis was affiliated with the institution shown above at the time of the study, but has since left this institution Purpose: CHOICE (CHanges to treatment and Outcomes in patients with type 2 diabetes initiating InjeCtablE therapy assessed patterns of exenatide bid and initial insulin therapy usage in clinical practice in six European countries and evaluated outcomes during the study. Methods: CHOICE was a 24-month, prospective, noninterventional observational study. Clinical and resource use data were collected at initiation of first injectable therapy (exenatide bid or insulin and at regular intervals for 24 months. Costs were evaluated from the national health care system perspective at 2009 prices. Results: A total of 2515 patients were recruited. At the 24-month analysis, significant treatment change had occurred during the study in 42.2% of 1114 eligible patients in the exenatide bid cohort and 36.0% of 1274 eligible patients in the insulin cohort. Improvements in glycemic control were observed over the course of the study in both cohorts (P < 0.001 for both, but mean weight was reduced in the exenatide bid cohort (P < 0

  6. La ségrégation sociale à Athènes

    Directory of Open Access Journals (Sweden)

    Thomas MALOUTAS

    1997-12-01

    Full Text Available La représentation synthétique de la structure socioprofessionnelle de la Région Urbaine d'Athènes permet de faire apparaître la morphologie géographique détaillée de la ségrégation urbaine ; cette morphologie peut devenir un élément essentiel d'interprétation des processus de ségrégation.

  7. Økologisk frøproduktions rolle i grøntsagsforsyningskæder

    DEFF Research Database (Denmark)

    Deleuran, Lise Christina; Boelt, Birte

    2009-01-01

    udsæd. Efterspørgslen var dog ikke helt som forventet. Enten fordi man ikke fik produceret de sorter som grøntsags producenterne ønskede, eller også fordi man fik produceret større mængder af udsæd end der reelt var et marked for. Status er derfor at produktionen af økologisk grønsagsfrø næsten er...

  8. Grønne områders betydning for bymiljø og stress

    DEFF Research Database (Denmark)

    Hansen, Karsten B.

    2004-01-01

    Der er mange sundhedsmæssige fordele ved at opholde sig udendørs i grønne områder, især i forhold til at reducere stress. En række lande inkl. Sverige bruger allerede det grønne aktivt i forebyggelse og behandling af sygdomme. I Danmark er den første patienthave på vej til at blive en realitet ved...

  9. Cisplatin-Induced Conditioned Taste Aversion: Attenuation by Dexamethasone but not Zacopride or GR38032F

    Science.gov (United States)

    1992-01-01

    SR2-1 Cisplatin-induced conditioned taste aversion: ateuto by dexamethasone but not zacopride or GR38032F Nm I- Paul C Mele, John R. McDonough, David...to 5-H1’, receptor blockade. 5-HT., receptor antagonists; Zacopridc: GR38032F; Desamethasone: Cisplatin: Taste aversion (conditioned) I. Introductlon...intake) was used as the area known as the chemoreceptor trigger zone (Borri- index of the CTA. son, 1974). Moreover. the findings that rats, ferrets

  10. Effects of HPM irradiation on expression of GR in hypothalamus and pituitary gland of rats

    International Nuclear Information System (INIS)

    Meng Li; Peng Ruiyun; Gao Yabing; Ma Junjie; Wang Shuiming; Hu Wenhua; Wang Dewen; Su Zhentao

    2005-01-01

    Objective: To explore the expression and significance of glucocorticoid receptor (GR) in hypothalamus and pituitary gland of rats after high power microwave (HPM) exposure. Methods: A total of 130 male Wistar rats were sacrificed at 6 h, 1 d, 3 d, 7 d, 14 d, 28 d and 3 m after whole body irradiation by 2-90 mW/cm 2 HPM and their hypothalamus and pituitary gland were collected. The changes of GR in the two tissues after HPM exposure were investigated by means of immunohistochemical staining and image analysis. Results: The expression of GR in hypothalamus was decreased after HPM exposure. The level of GR in the group of 10 mW/cm 2 was significantly lower (P 2 group was significantly lower (P 2 group was significantly higher (P 2 group was significantly higher (P<0.01) on 1 d and 3 d after HPM exposure. Conclusion: The expression of GR in hypothalamus was decreased while that in the anterior pituitary was increased after HPM exposure. The refore, the negative feedback of hypothalamic-pituitary-adrenal (HPA) axis was upset and the changes of GR is involved in the pathophysiological course of HPA. (authors)

  11. Synthesis and characterization of CdO/GrO nanolayer for in vivo imaging

    Directory of Open Access Journals (Sweden)

    Abbas Pardakhty

    2017-07-01

    Full Text Available Objective(s: Nanomaterials are playing major roles in imaging by delivering large imaging payloads, yielding improved sensitivity. Nanoparticles have enabled significant advances in pre-clinical cancer research as drug delivery vectors. Inorganic nanoparticles such as CdO/GrO nanoparticles have novel optical properties that can be used to optimize the signal-to-background ratio. This paper reports on a novel processing route for preparation of CdO/GrO nanolayer and investigation of its optical properties for application in in vivo targeting and imaging.Materials and Methods: Nanostructures were synthesized by reacting cadmium acetate and graphene powder. The effects ofdifferent parameters such as power and time of irradiation were also studied. Finally, the efficiency of CdO/GrO nanostructures as an optical composite was investigated using photoluminescence spectrum irradiation. CdO/GrO nanostructures were characterized by means of X-ray diffraction (XRD, atomic force microscopy (AFM, scanning electron microscopy (SEM, Fourier transform infrared (FT-IR and photoluminescence (PL spectroscopy.Results: According to SEM images, it was found that sublimation temperature had significant effect on morphology and layers. The spectrum shows an emission peak at 523 nm, indicating that CdO/GrO nanolayer can be used for in vivo imaging.Conclusion: The estimated optical band gap energy is an accepted value for application in in vivo imaging using a QD–CdO/GrO nanolayer.

  12. Expressions of Hippocampal Mineralocorticoid Receptor (MR) and Glucocorticoid Receptor (GR) in the Single-Prolonged Stress-Rats

    International Nuclear Information System (INIS)

    Zhe, Du; Fang, Han; Yuxiu, Shi

    2008-01-01

    Post-traumatic stress disorder (PTSD) is a stress-related mental disorder caused by traumatic experience. Single-prolonged stress (SPS) is one of the animal models proposed for PTSD. Rats exposed to SPS showed enhanced inhibition of the hypothalamo-pituitary-adrenal (HPA) axis, which has been reliably reproduced in patients with PTSD. Mineralocorticoid receptor (MR) and glucocorticoid receptor (GR) in the hippocampus regulate HPA axis by glucocorticoid negative feedback. Abnormalities in negative feedback are found in PTSD, suggesting that GR and MR might be involved in the pathophysiology of these disorders. In the present study, we performed immunohistochemistry and western blotting to examine the changes in hippocampal MR- and GR-expression after SPS. Immunohistochemistry revealed decreased MR- and GR-immunoreactivity (ir) in the CA1 of hippocampus in SPS animals. Change in GR sub-distribution was also observed, where GR-ir was shifted from nucleus to cytoplasm in SPS rats. Western blotting showed that SPS induced significantly decreased MR- and GR-protein in the whole hippocampus, although the degree of decreased expression of both receptors was different. Meanwhile, we also found the MR/GR ratio decreased in SPS rats. In general, SPS induced down-regulation of MR- and GR-expression. These findings suggest that MR and GR play critical roles in affecting hippocampal function. Changes in MR/GR ratio may be relevant for behavioral syndrome in PTSD

  13. The relationship between Mexican American cultural values and resilience among Mexican American college students: a mixed methods study.

    Science.gov (United States)

    Morgan Consoli, Melissa L; Llamas, Jasmin D

    2013-10-01

    The current study investigated the role of cultural values in the resilience of Mexican American college students. Utilizing mixed methodology, 124 self-identified Mexican American college students were asked to complete an online survey, including a demographic questionnaire, the Resilience Scale, Mexican American Cultural Values Scale, and 2 open-ended questions concerning overcoming adversity and cultural values. As hypothesized, Mexican American traditional cultural values (Familismo, Respeto, Religiosidad, and Traditional Gender Roles) predicted resilience, with Familismo accounting for the majority of the variance. Consensual qualitative research (Hill, Thompson, & Nutt Williams, 1997) was used to identify emergent domains and themes within the open-ended question responses. Traditional Mexican American Value themes included Familismo, Ethnic Identity, Religiosidad, Perseverance, and Respeto. Results highlight the important role that certain Mexican American cultural values play in providing strength for overcoming adversities.

  14. Alkaline pretreatment of Mexican pine residues for bioethanol ...

    African Journals Online (AJOL)

    Alkaline pretreatment of Mexican pine residues for bioethanol production. ... Keywords: Lignocellulosic biomass, alkaline pretreatment, enzymatic hydrolysis, fermentable sugars, fermentation. African Journal of Biotechnology Vol. 12(31), pp.

  15. 3. Mexican school of nuclear physics

    International Nuclear Information System (INIS)

    Chavez L, E.R.; Hess, P.O.; Martinez Q, E.

    2002-01-01

    The III Mexican School of Nuclear Physics which is directed to those post graduate in Sciences and those of last semesters students of the Physics career or some adjacent career was organized by the Nuclear Physics Division of the Mexican Physics Society, carrying out at November 18-29, 2002 in the installations of the Institute of Physics and the Institute of Nuclear Sciences both in the UNAM, and the National Institute of Nuclear Research (ININ). In this as well as the last version its were offered 17 courses, 9 of them including laboratory practices and the rest were of theoretical character only. This book treats about the following themes: Nuclear physics, Electrostatic accelerators, Cyclotrons, Thermonuclear reactions, Surface barrier detectors, Radiation detection, Neutron detection, Bonner sphere spectrometers, Radiation protection, Biological radiation effects, Particle kinematics, Nucleosynthesis, Plastics, Muons, Quadrupoles, Harmonic oscillators, Quantum mechanics among many other matters. (Author)

  16. Second Mexican School of Nuclear Physics: Notes

    International Nuclear Information System (INIS)

    Aguilera, E.F.; Chavez L, E.R.; Hess, P.O.

    2001-01-01

    The II Mexican School of Nuclear Physics which is directed to those last semesters students of the Physics career or post-graduate was organized by the Nuclear Physics Division of the Mexican Physics Society, carrying out at April 16-27, 2001 in the installations of the Institute of Physics and the Institute of Nuclear Sciences, both in the UNAM, and the National Institute of Nuclear Research (ININ). A first school of a similar level in Nuclear Physics, was carried out in Mexico at 1977 as Latin american School of Physics. This book treats about the following themes: Interactions of radiation with matter, Evaluation of uncertainty in experimental data, Particle accelerators, Notions of radiological protection and dosimetry, Cosmic rays, Basis radiation (environmental), Measurement of excitation functions with thick targets and inverse kinematics, Gamma ray technique for to measure the nuclear fusion, Neutron detection with Bonner spectrometer, Energy losses of alpha particles in nickel. It was held the practice Radiation detectors. (Author)

  17. Energy-urban transition: The Mexican case

    International Nuclear Information System (INIS)

    Paez, Armando

    2010-01-01

    In this paper I present a study regarding the institutional conditions of Mexican cities based on a post-petroleum urban model that considers transport, architecture, urban planning and land use, renewable energy sources, energy saving and efficiency, and urban metabolism issues. The model was constructed with recommendations of authors and organizations that have analysed the energy dimension of cities under an energy-availability, environmental or petroleum-independent view. To make the study I sent a questionnaire to some local governments of all the country. The information indicates that Mexican cities do not have institutional conditions to manage the urban-energy transition that signify the end of cheap oil and the peak of world oil production.

  18. PEMEX: The Mexican state petroleum agency

    International Nuclear Information System (INIS)

    1993-03-01

    An overview is presented of the Mexican state petroleum company PEMEX. The Mexican government created PEMEX through the expropriation of the largely foreign-dominated industry. Mexico is the world's fifth largest crude oil producer, and in 1992 PEMEX had proven reserves of 65.5 billion bbl, crude production of 2.668 million bbl/d, gas production of 3.6 billion cubic feet per day, refined product production of 1.57 million bbl/d and 18 million tonnes of petrochemical production per year. A background is presented of Mexico's economy, followed by discussion of PEMEX's market, the best sales prospects for foreign suppliers, a company profile, financial structure, exploration and production, refining, gas and basic petrochemicals, petrochemicals, transportation and distribution, research and development, recent activities, planned future activities, procurement, and market access. Extensive appendices supply relevant contacts and information. 30 tabs

  19. Electricity supply opportunities -- The Mexican door opens

    International Nuclear Information System (INIS)

    Holland, H.W.

    1993-01-01

    Anyone who assumes that the Mexican market for electrical capacity is just a matter of selling equipment and services is in for a shock. The astute neighbor to the south is exploring privatization in the power sector with a style and flair that is uniquely Mexican. While free market-market forces have, to some extent, already transformed the manner in which new generating capacity is added in the US, a Mexico equivalent will not develop over night. Mexico is no place for the faint of heart. You have to play hard in order to win against competition almost equivalent to that of the US market and have the staying power to be around long enough to reap the rewards. This work presents the author's views concerning the manner in which competition has been introduced within the electricity supply market of the neighbor to the south

  20. Higher risk for obesity among Mexican-American and Mexican immigrant children and adolescents than among peers in Mexico.

    Science.gov (United States)

    Hernández-Valero, María A; Bustamante-Montes, L Patricia; Hernández, Mike; Halley-Castillo, Elizabeth; Wilkinson, Anna V; Bondy, Melissa L; Olvera, Norma

    2012-08-01

    We conducted a cross-sectional study among 1,717 children and adolescents of Mexican origin ages 5-19 years living in Mexico and Texas to explore the influence of country of birth and country of longest residence on their overweight and obesity status. Descriptive statistics were used to compare demographic and anthropometric characteristics of participants born and raised in Mexico (Mexicans), born in Mexico and raised in the United States (Mexican immigrants), and born and raised in the United States (Mexican-Americans). Univariate and multivariate nominal logistic regression was used to determine the demographic predictors of obesity adjusted by country of birth, country of residence, age, and gender. Almost half (48.8%) of the Mexican-Americans and 43.2% of the Mexican immigrants had body mass index at the 85th percentile or above, compared to only 29.3% of the Mexicans (P obese than their Mexican peers [Mexican-Americans: odds ratio (OR) = 2.5 (95% confidence interval [CI] 1.8-3.4); Mexican immigrants: OR = 2.2 (95% CI 1.6-3.0)]. In addition, males were more likely than females to be obese [OR = 1.6 (95% CI 1.2-2.1)], and adolescents 15-19 years of age were less likely than their younger counterparts [OR = 0.5 (95% CI 0.4-0.7)] to be obese. The high prevalence of obesity among children of Mexican origin in the United States is of great concern and underscores the urgent need to develop and implement obesity preventive interventions targeting younger children of Mexican origin, especially newly arrived immigrant children. In addition, future obesity research should take into consideration the country of origin of the study population to develop more culturally specific obesity interventions.

  1. Mexican Marine Corps in the Struggle for Scalable Security and Its Potential as a Guarantor of the Mexican Safety

    Science.gov (United States)

    2013-03-20

    53 G. Elena. Presidente Peña pide a militares a participar en la transformación de México. 1...security of the government of Mexico and the Mexican people until the civilian police is able to do so. 1S. SUBJECT TERMS MAGTF Concept;Mexican...to contribute better to the safety and security of the government of Mexico and the Mexican people until the civilian police is able to do so

  2. Mexican Trends: The Next Five Years,

    Science.gov (United States)

    1985-12-12

    either Argentina (60%) or Chile (75%) and far higher than Brazil (26%), whose total debt was around the same size. Second, of the aggregate Mexican...liberalization policies in Brazil, Argentina, and Chile were hammered into place not by politicians and political parties but by technocrats and...accident that violence has exploded in three border cities ( Agua ; Prieta, Piedras Negras, and San Luis) where the opposition had access to the U.S. media

  3. Narcocultura: A Threat to Mexican National Security?

    Science.gov (United States)

    2012-12-01

    Postcolony: The Zapatistas and Narcocultura,” PhD Essay , University of British Colombia: Department of Political Science, 2011, 18. 7 Rafael López...humorous lyrics or tones in some narcocorridos29 Edberg concludes by stating, “cultural images cross...provided inspiration for the lyrics of classical corridos.63 These original corridos became a source of Mexican national identity and a vehicle for

  4. The Mexican electricity industry - cogeneration potential

    International Nuclear Information System (INIS)

    Monroy, I.L.

    2000-01-01

    A brief history of Mexico's electric power industry is given. Diagrams show (i) the increase in primary energy production from 1990-1998; (ii) energy consumption by sector and (iii) the change in capacity between 1990 and 1998. The projected energy development for 1998-2007 is discussed. The Mexican government has chosen cogeneration to be an important contributor to future energy-efficient power production. Data on installed cogeneration capacity for years 2000 and 2001 are given according to sector

  5. 4. Mexican School of Nuclear Physics. Papers

    International Nuclear Information System (INIS)

    Aguilera, E.F.; Hernandez, E.; Hirsch, J.

    2005-01-01

    The IV Mexican School of Nuclear Physics, organized by the Nuclear Physics Division of the Mexican Physics Society, takes place from June 27 to July 8, 2005 in the Nuclear Sciences and of Physics Institutes of the UNAM and in the National Institute of Nuclear Research (ININ). This school, as the previous ones, it was guided the students of the last semesters of the career of Physics, of the Post grade of the same specialty, and of other adjacent careers. To give the students a current vision of some of the topics more important of the nuclear physics and their relationship with other near areas of the physics it was the objective of this School. The School covered a wide range of theoretical and experimental courses, imparted in its majority by Mexican expert professor-investigators in the matter to who we thank them the one effort and the quality of their presentations, reflected in the content of this document. The answer of the students to the convocation was excellent, 31 students presented application for admission coming from the following institutions: Meritorious Autonomous University de Puebla, National Institute of Nuclear Research, Technological Institute of Orizaba, National Polytechnic Institute, The University of Texas at Brownsville, Autonomous University of the State de Mexico, Autonomous University of the State of Morelos, Autonomous University of Baja California, Autonomous University of San Luis Potosi, University of Guadalajara, University of Guanajuato, National Autonomous University of Mexico, University of Texas, at El Paso and University Veracruzana. They were admitted to the 22 students with the higher averages qualifications of the list of applicants. The organizers of this school thank the financial support granted by the following sponsor institutions: Nuclear Sciences Institute, UNAM, Physics Institute of UNAM, Coordination of the Scientific Research UNAM, National Institute of Nuclear Research, Nuclear Physics Division of the Mexican

  6. 4. Mexican School of Nuclear Physics

    International Nuclear Information System (INIS)

    Aguilera, E.F.; Hernandez, E.; Hirsch, J.G. -mail: svp@nuclear.inin.mx

    2005-01-01

    The IV Mexican School of Nuclear Physics, organized by the Nuclear Physics Division of the Mexican Physics Society, taken place from June 27 to July 8, 2005 in the Institute of Nuclear Sciences and the Institute of Physics of the UNAM and in the National Institute of Nuclear Research (ININ). This school, as the previous ones, it was guided to the students of the last semesters of the career of Physics, of the Post grade of the same specialty, and of other adjacent careers. To give the students a current vision of some of the topics more important of the nuclear physics and their relationship with other near areas of the physics it was the objective of this School. The School covered a wide range of theoretical and experimental courses, imparted in its majority by Mexican expert professor-investigators in the subject to whom we thank them the one effort and the quality of their presentations, reflected in the content of this document. The answer of the students to the convocation was excellent, 31 students presented application for admission coming from the following institutions: Meritorious Autonomous University of Puebla, National Institute of Nuclear Research, Technological Institute of Orizaba, National Polytechnic Institute, The University of Texas at Brownsville, Autonomous University of the State de Mexico, Autonomous University of the State of Morelos, Autonomous University of Baja California, Autonomous University of San Luis Potosi, University of Guadalajara, University of Guanajuato, National Autonomous University of Mexico, University of Texas, at El Paso and University Veracruzana. They were admitted to those 22 students with the higher averages qualifications of the list of applicants. The organizers of this school thank the financial support granted by the following sponsor institutions: Institute of Nuclear Sciences, UNAM, Institute of Physics, UNAM, Coordination of the Scientific Research, UNAM, National Institute of Nuclear Research, Nuclear

  7. New Mexicans debate nuclear waste disposal

    International Nuclear Information System (INIS)

    Lepkowski, W.

    1979-01-01

    A brief survey of the background of the Waste Isolation Plant (WIPP) at Carlsbad, New Mexico and the forces at play around WIPP is presented. DOE has plans to establish by 1988 an underground repository for nuclear wastes in the salt formations near Carlsbad. Views of New Mexicans, both pro and con, are reviewed. It is concluded that DOE will have to practice public persuasion to receive approval for the burial of wastes in New Mexico

  8. Type 2 diabetes mortality at Mexican borders

    OpenAIRE

    Manzanares Rivera, José Luis

    2017-01-01

    Abstract:Objective: To analyze type II diabetes mortality rates geographic distribution and evolution in time across both Mexican border regions during the period 1998-2013.Methods: The work is based on exploratory and inferential data analysis conducted using death reports from the national health information system. The analysis considers social determinants of health as a theoretical paradigm and includes microdata on consumption patterns at household level for the US-Mexico and Mexico- Gu...

  9. Genetic analysis of Mexican Criollo cattle populations.

    Science.gov (United States)

    Ulloa-Arvizu, R; Gayosso-Vázquez, A; Ramos-Kuri, M; Estrada, F J; Montaño, M; Alonso, R A

    2008-10-01

    The objective of this study was to evaluate the genetic structure of Mexican Criollo cattle populations using microsatellite genetic markers. DNA samples were collected from 168 animals from four Mexican Criollo cattle populations, geographically isolated in remote areas of Sierra Madre Occidental (West Highlands). Also were included samples from two breeds with Iberian origin: the fighting bull (n = 24) and the milking central American Criollo (n = 24) and one Asiatic breed: Guzerat (n = 32). Genetic analysis consisted of the estimation of the genetic diversity in each population by the allele number and the average expected heterozygosity found in nine microsatellite loci. Furthermore, genetic relationships among the populations were defined by their genetic distances. Our data shows that Mexican cattle populations have a relatively high level of genetic diversity based either on the mean number of alleles (10.2-13.6) and on the expected heterozygosity (0.71-0.85). The degree of observed homozygosity within the Criollo populations was remarkable and probably caused by inbreeding (reduced effective population size) possibly due to reproductive structure within populations. Our data shows that considerable genetic differentiation has been occurred among the Criollo cattle populations in different regions of Mexico.

  10. The United Mexican States: an update.

    Science.gov (United States)

    Hakkert, R; Aguirre, E J

    1988-09-01

    Although the popular North American opinion of Mexico is one that paints a picture of a poor, disadvantaged country, South America sees Mexico has a richer more prosperous nation. It is observed that only in the Latin American countries of Venezuela, Suriname and Trinidad and Tobago do consumers have higher incomes than Mexican consumers. Moreover, while millions of Mexicans migrate to the United States to seek a better standard of living, several thousand Central American refugees illegally migrate to Mexico in search of a better life. This better life includes an increased age of lie expectancy from 51 years in the 1950s to 64 years in the late 1970s. There have also been improvements in health care and school enrollments and in the low cost availability of education. Tourism and the prospect of the manufacturing of energy are significant, positive factors working in favor of an improved Mexican economy and a higher overall quality of life. However, Mexico faces serious problems such as a mounting foreign debt. Also rising is Mexico's population which has doubled since 1964 and which continues to grow at a rate of 1.9%. Economic programs and reforms and family development planning have been instituted in response to the countries' current recession and population growth and have begun to show positive results.

  11. Participants in urban Mexican male homosexual encounters.

    Science.gov (United States)

    Carrier, J M

    1971-12-01

    Preliminary data are presented on 53 urban Mexican males interviewed during 1970-1971 in a study of homosexual encounters in a large Mexican city. These data are compared with data from recent studies in the United States and England of male homosexual behavior. Although preliminary and limited, the Mexican data indicate that cultural factors are important determinants of life styles and sex practices of homosexual males. Forty-eight of the 53 (90%) preferred and usually practiced anal intercourse, four preferred oral contacts, and one preferred mutual masturbation. Interviewees were also grouped according to major type of sex activity during the first sustained year of homosexual activity after puberty. One intragroup comparison indicates significant differences between anal active and anal passive interviewees. For example, as children anal passive subjects had significantly more homosexual contacts with adults; they also considered themselves more effeminate and as children were more involved with female sex-typed activities. Comparison of data from the English and United States studies with the present data suggests that preference for a particular sexual technique is not as developed in the former two countries; when there is a preference, it is not usually for anal intercourse.

  12. National Mexican Tourism Policy and North American Second Homeowners In Mexico: Local Tourism Development and Mexican Identity (Chapter 6)

    DEFF Research Database (Denmark)

    Clausen, Helene Balslev

    2018-01-01

    . Still the Mexican state does not seize the second home owners as a resource and ‘producers’ rather only as consumers of different Mexican objects, food etc. The chapter addresses this research gap and proposes rather than only perceive North American second home owners as part of tourism development...... participate in reshaping and reconfigure public policy and Mexican culture/identity construction. The purpose of the chapter is to explore the role of the North American second home owners and their impact on the planning and regulation of Mexican state policies, and how they might reconfigure practices and...

  13. Long-term surveillance plan for the Mexican Hat disposal site Mexican Hat, Utah

    International Nuclear Information System (INIS)

    1997-06-01

    This long-term surveillance plan (LTSP) describes the U.S. Department of Energy's (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project Mexican Hat, Utah, disposal site. This LSTP describes the long-term surveillance program the DOE will implement to ensure the Mexican Hat disposal site performs as designed and is cared for in a manner that protects the public health and safety and the environment. Before each disposal site is licensed for custody and long-term care, the Nuclear Regulatory Commission (NRC) requires the DOE to submit such a site-specific LTSP

  14. Preliminary Study on Bidding Price Ratio Pattern of Public Works in Taiwan - a Case Study of Bridges, Elevated Highways, Tunnels and Subways

    Science.gov (United States)

    Tseng, Paoshan; Wang, Hanhsiang; Chen, Pingfu; Yeh, Lihsu

    2018-01-01

    Commonly seen tender bid price information of the public works in Taiwan are the budget amount, floor price, awarding price and so on. The ratio of the awarding price to the floor price or budget price is the so-called bidding price ratio. This ratio is influenced by multifaceted factor interactions and is significant to decision making management in engineering projects. Low bidding price ratio may imply that the budget allocation by the tendering agency is inconsiderate or due to the improper market competition of low price bid rigging. High bidding price ratio in turn may indicate that the allocated budget is relatively low, bidder risks in increased contract execution uncertainty or even exclusive bidding scenario. Therefore, the correlation between the bidding price ratio and the aforementioned tender award information is the key issue of this study. This study gathered the tender information of the civil engineering projects in Taiwan within the past seven years. By performing statistical analysis and clustering the gathered data by bidding price ratio, this study investigated the influencing factors and regulations of bidding price ratio using data mining approach.

  15. The System of Public Acquisitions by Means of Electronic Bids in the Light of European Regulations

    Directory of Open Access Journals (Sweden)

    Costantin Roman

    2007-01-01

    Full Text Available E-commerce can lead in many different ways to cost reduction in case of a supplier and can subsequently increase the competition potential of a company. As for the competition mechanism, such changes produce significant modifications within a market economy. The Internet renders the possibility of creating business contacts in a rapid and geographically independent manner, as well as possibilities of obtaining data and realizing transactions within the world’s economy. Public acquisitions by means of dynamic systems and electronic bids are currently one of the significant areas of electronic commerce.

  16. Calibration of short rate term structure models from bid-ask coupon bond prices

    Science.gov (United States)

    Gomes-Gonçalves, Erika; Gzyl, Henryk; Mayoral, Silvia

    2018-02-01

    In this work we use the method of maximum entropy in the mean to provide a model free, non-parametric methodology that uses only market data to provide the prices of the zero coupon bonds, and then, a term structure of the short rates. The data used consists of the prices of the bid-ask ranges of a few coupon bonds quoted in the market. The prices of the zero coupon bonds obtained in the first stage, are then used as input to solve a recursive set of equations to determine a binomial recombinant model of the short term structure of the interest rates.

  17. A bid solicitation and selection method for developing a competitive spot priced electric market

    International Nuclear Information System (INIS)

    Ancona, J.J.

    1997-01-01

    The electric utility industry is in the beginning throes of a transformation from a cost-based regulated structure to a more market based less regulated system. Traditional unit commitment and economic dispatch methodologies can continue to provide reliable least-cost solutions, providing they are modified to accommodate a larger sphere of market participants. This paper offers a method for an entity such as an Independent System Operator (ISO) to solicit and evaluate bids for developing a spot priced electric market by replicating existing utility practices that are effective and efficient, while creating an open and equitable competitive marketplace for electricity

  18. GR and ER co-activation alters the expression of differentiation genes and associates with improved ER+ breast cancer outcome

    Science.gov (United States)

    West, Diana C.; Pan, Deng; Tonsing-Carter, Eva Y.; Hernandez, Kyle M.; Pierce, Charles F.; Styke, Sarah C.; Bowie, Kathleen R.; Garcia, Tzintzuni I.; Kocherginsky, Masha; Conzen, Suzanne D.

    2016-01-01

    In estrogen receptor (ER)-negative breast cancer (BC), high tumor glucocorticoid receptor (GR) expression has been associated with a relatively poor outcome. In contrast, using a meta-analysis of several genomic datasets, here we find that tumor GR mRNA expression is associated with improved ER+ relapse-free survival (RFS) (independently of progesterone receptor (PR) expression). To understand the mechanism by which GR expression is associated with a better ER+ BC outcome, the global effect of GR-mediated transcriptional activation in ER+ BC cells was studied. Analysis of GR chromatin immunoprecipitation followed by high-throughput sequencing (ChIP-seq) in ER+/GR+ MCF-7 cells revealed that upon co-activation of GR and ER, GR chromatin association became enriched at proximal promoter regions. Furthermore, following ER activation, increased GR chromatin association was observed at ER, FOXO, and AP1 response elements. In addition, ER associated with GR response elements, suggesting that ER and GR interact in a complex. Co-activation of GR and ER resulted in increased expression (relative to ER activation alone) of transcripts that encode proteins promoting cellular differentiation (e.g. KDM4B, VDR) and inhibiting the Wnt-signaling pathway (IGFBP4). Finally, expression of these individual pro-differentiation genes was associated with significantly improved RFS in ER+ BC patients. Together, these data suggest that the co-expression and subsequent activity of tumor cell GR and ER contribute to the less aggressive natural history of early-stage BC by coordinating the altered expression of genes favoring differentiation. Implications The interaction between estrogen and glucocorticoid receptor activity highlights the importance of context-dependent nuclear receptor function in cancer. PMID:27141101

  19. Another Mexican birthweight paradox? The role of residential enclaves and neighborhood poverty in the birthweight of Mexican-origin infants.

    Science.gov (United States)

    Osypuk, Theresa L; Bates, Lisa M; Acevedo-Garcia, Dolores

    2010-02-01

    Examining whether contextual factors influence the birth outcomes of Mexican-origin infants in the US may contribute to assessing rival explanations for the so-called Mexican health paradox. We examined whether birthweight among infants born to Mexican-origin women in the US was associated with Mexican residential enclaves and exposure to neighborhood poverty, and whether these associations were modified by nativity (i.e. mother's place of birth). We calculated metropolitan indices of neighborhood exposure to Mexican-origin population and poverty for the Mexican-origin population, and merged with individual-level, year 2000 natality data (n=490,332). We distinguished between neighborhood exposure to US-born Mexican-origin population (i.e. ethnic enclaves) and neighborhood exposure to foreign-born (i.e. Mexico-born) Mexican-origin population (i.e. immigrant enclaves). We used 2-level hierarchical linear regression models adjusting for individual, metropolitan, and regional covariates and stratified by nativity. We found that living in metropolitan areas with high residential segregation of US-born Mexican-origin residents (i.e. high prevalence of ethnic enclaves) was associated with lower birthweight for infants of US-born Mexican-origin mothers before and after covariate adjustment. When simultaneously adjusting for exposure to ethnic and immigrant enclaves, the latter became positively associated with birthweight and the negative effect of the former increased, among US-born mothers. We found no contextual birthweight associations for mothers born in Mexico in adjusted models. Our findings highlight a differential effect of context by nativity, and the potential health effects of ethnic enclaves, which are possibly a marker of downward assimilation, among US-born Mexican-origin women. Copyright 2009 Elsevier Ltd. All rights reserved.

  20. The nature of the GRE influences the screening for GR-activity enhancing modulators.

    Directory of Open Access Journals (Sweden)

    Karen Dendoncker

    Full Text Available Glucocorticoid resistance (GCR, i.e. unresponsiveness to the beneficial anti-inflammatory activities of the glucocorticoid receptor (GR, poses a serious problem in the treatment of inflammatory diseases. One possible solution to try and overcome GCR, is to identify molecules that prevent or revert GCR by hyper-stimulating the biological activity of the GR. To this purpose, we screened for compounds that potentiate the dexamethasone (Dex-induced transcriptional activity of GR. To monitor GR transcriptional activity, the screen was performed using the lung epithelial cell line A549 in which a glucocorticoid responsive element (GRE coupled to a luciferase reporter gene construct was stably integrated. Histone deacetylase inhibitors (HDACi such as Vorinostat and Belinostat are two broad-spectrum HDACi that strongly increased the Dex-induced luciferase expression in our screening system. In sharp contrast herewith, results from a genome-wide transcriptome analysis of Dex-induced transcripts using RNAseq, revealed that Belinostat impairs the ability of GR to transactivate target genes. The stimulatory effect of Belinostat in the luciferase screen further depends on the nature of the reporter construct. In conclusion, a profound discrepancy was observed between HDACi effects on two different synthetic promoter-luciferase reporter systems. The favorable effect of HDACi on gene expression should be evaluated with care, when considering them as potential therapeutic agents. GEO accession number GSE96649.

  1. Perceived social stress, pregnancy-related anxiety, depression and subjective social status among pregnant Mexican and Mexican American women in south Texas.

    Science.gov (United States)

    Fleuriet, K Jill; Sunil, T S

    2014-05-01

    The purpose of this study was to determine differences in subjective social status, perceived social stress, depressive symptoms, and pregnancy-related anxiety between pregnant Mexican American and Mexican immigrant women. Three hundred pregnant Mexican immigrant and Mexican American women in South Texas were surveyed for pregnancy-related anxiety, perceived social stress, depressive symptoms, and subjective social status. Pregnant Mexican immigrant women had higher levels of pregnancy-related anxiety and lower levels of depression and perceived social stress than pregnant Mexican American women. Change in these variables among Mexican immigrant women was relatively linear as time of residence in the United States increased. Mexican immigrant and Mexican American women had significantly different correlations between subjective social status, self-esteem and perceived social stress. Results indicate that subjective social status is an important psychosocial variable among pregnant Hispanic women. Results contribute to ongoing efforts to provide culturally responsive prenatal psychosocial support services.

  2. Women's Networks and the Social Needs of Mexican Immigrants.

    Science.gov (United States)

    O'Connor, Mary I.

    1990-01-01

    Reports on the persistence of a two-tiered economic and political system that routinely excludes Mexican immigrants. Focuses on the predominantly female employees of a wholesale nursery in Carpinteria (California), who have adapted the Mexican tradition of "confianza"-based relationships to form networks that facilitate communication and…

  3. Losing American Students, Mexican Universities Struggle against a Scary Image

    Science.gov (United States)

    Ambrus, Steven

    2012-01-01

    Like most Mexicans, Eugenio Yarce has been deeply affected by the violence between drug cartels and the Mexican army, which has filled news coverage with accounts of kidnappings, assassinations, and torture. But for Mr. Yarce, deputy rector for outreach here at the private Autonomous Popular University of the State of Puebla, or Upaep, the…

  4. Mexican-Origin Women's Employment Instability. Working Paper No. 51.

    Science.gov (United States)

    De Anda, Roberto M.

    This paper compares the causes and consequences of employment instability among Mexican-origin women, White women, and White men. Data came from the work experience supplement in the March 1995 file of the Current Population Survey for a sample that included 1,399 Mexican-origin women, 17,092 White women, and 24,440 White men. All were experienced…

  5. The Mexican American in Higher Education: Implications for Educators.

    Science.gov (United States)

    Muhs, William F.; And Others

    1979-01-01

    Literature reviews suggest that Mexican-American students place more emphasis on cooperation and group than on individual achievement. Education may be enhanced when teachers reinforce "successful behavior." Problems may arise using U.S.-based theories of "democratic" leadership styles because Mexican-American culture places emphasis on…

  6. Mexican Art and Architecture Databases: Needs, Achievements, Problems.

    Science.gov (United States)

    Barberena, Elsa

    At the international level, a lack of diffusion of Mexican art and architecture in indexes and abstracts has been detected. Reasons for this could be lack of continuity in publications, the use of the Spanish language, lack of interest in Mexican art and architecture, and sporadic financial resources. Nevertheless, even though conditions are not…

  7. Transformative, Mixed Methods Checklist for Psychological Research with Mexican Americans

    Science.gov (United States)

    Canales, Genevieve

    2013-01-01

    This is a description of the creation of a research methods tool, the "Transformative, Mixed Methods Checklist for Psychological Research With Mexican Americans." For conducting literature reviews of and planning mixed methods studies with Mexican Americans, it contains evaluative criteria calling for transformative mixed methods, perspectives…

  8. Storytelling in Mexican Homes: Connections between Oral and Literacy Practices

    Science.gov (United States)

    Reese, Leslie

    2012-01-01

    The study focuses on storytelling among Mexican families, documenting the frequency of storytelling in the homes of working- and middle-class Mexican families, the range of topics of the stories, characteristics and genres of stories, and intergenerational continuity of storytelling practices. Also examined are potential associations between…

  9. The Mexican Committee against Racism and What It Reveals about Relations between Mexican and American Jews

    Directory of Open Access Journals (Sweden)

    Ariela Katz Gugenheim

    2012-10-01

    Full Text Available This work reconstructs the origin, organization, development, and disappearance of the Mexican Committee against Racism (Comité Mexicano contra el Racismo, CMR, active in Mexico City from 1944 to 1946, inthe context of the relations between a leading Jewish organization in the United States and a Mexican Jewish institution. The CMR appears in historiography as a Mexican anti-fascist institution, but this research reveals that it was conceived, implemented, financed, and supervised by the American Jewish Committee (AJC, a Jewish social action organization based in the United States, with the aim of fighting against racist and anti-Semitic prejudices, creating a friendly climate towards Jewish-refugee immigration, and quelling anti-American feelings in Mexico. The AJC's involvement was kept a secret for Mexicans in general and for the Jewish community in Mexico. Drawing on archives in Mexico and the United States, this work details the reasons that led to its organization, describes its implementation, explains why the AJC's involvement was kept a secret, and why the CMR failed to prosper and eventually disappeared.

  10. G-Doob-Meyer Decomposition and Its Applications in Bid-Ask Pricing for Derivatives under Knightian Uncertainty

    Directory of Open Access Journals (Sweden)

    Wei Chen

    2015-01-01

    Full Text Available The target of this paper is to establish the bid-ask pricing framework for the American contingent claims against risky assets with G-asset price systems on the financial market under Knightian uncertainty. First, we prove G-Dooby-Meyer decomposition for G-supermartingale. Furthermore, we consider bid-ask pricing American contingent claims under Knightian uncertainty, by using G-Dooby-Meyer decomposition; we construct dynamic superhedge strategies for the optimal stopping problem and prove that the value functions of the optimal stopping problems are the bid and ask prices of the American contingent claims under Knightian uncertainty. Finally, we consider a free boundary problem, prove the strong solution existence of the free boundary problem, and derive that the value function of the optimal stopping problem is equivalent to the strong solution to the free boundary problem.

  11. The effect of electric transmission constraints on how power generation companies bid in the Colombian electrical power market

    Directory of Open Access Journals (Sweden)

    Luis Eduardo Gallego Vega

    2010-05-01

    Full Text Available This paper presents the results of research about the effect of transmission constraints on both expected electrical energy to be dispatched and power generation companies’ bidding strategies in the Colombian electrical power market. The proposed model simulates the national transmission grid and economic dispatch by means of optimal power flows. The proposed methodology allows structural problems in the power market to be analyzed due to the exclusive effect of trans- mission constraints and the mixed effect of bidding strategies and transmission networks. A new set of variables is proposed for quantifying the impact of each generation company on system operating costs and the change in expected dispatched energy. A correlation analysis of these new variables is presented, revealing some interesting linearities in some generation companies’ bidding patterns.

  12. Parental Factors Associated with Mexican American Adolescent Alcohol Use

    Directory of Open Access Journals (Sweden)

    Cristina Mogro-Wilson

    2013-01-01

    Full Text Available The purpose of this study is to further the understanding of how parenting and the relationship between the parent and the youth influence adolescent alcohol use in Mexican American families, with particular attention to acculturation. Results indicated that parental warmth is a strong factor in predicting adolescent alcohol use among Mexican adolescents. The parent-youth relationship played an important role in lowering alcohol use for Mexican American youth. Acculturation has an impact on the level of warmth, control, and the parent-youth relationship for Mexican American families. Findings indicate that there are unique family mechanisms for Mexican American families that should be considered when developing prevention and treatment options.

  13. [Dichotic perception of Mandarin third tone by Mexican Chinese learners].

    Science.gov (United States)

    Wang, Hongbin

    2014-05-01

    To investigate the relationship between the advantage ear (cerebral hemisphere) of Spanish-speaking Mexican learners and the third Chinese tone. Third tone Chinese vowel syllables were used as experimental materials with dichotic listening technology to test the Spanish-speaking Mexican Chinese learners (20-32 years old) who studied Chinese about 20 h. In terms of error rates to identify the third Chinese tone, the Spanish-speaking Mexican Chinese learners's reaction to the third tone suggested that their left ears were the advantageous ear (the right cerebral hemisphere) (Z=-2.091, P=0.036). The verbal information of tones influenced the perception of Mexican Chinese learners' mandarin tones. In the process of learning mandarin tones, Mexican Chinese learners gradually formed the category of tones.

  14. Arte gráfico y tecnología una relación privada en la obra (gráfica) de Fabiola Ubani

    OpenAIRE

    Ubani García, Fabiola

    2015-01-01

    Programa de doctorado: En torno al problema de la génesis y el modelo en Arte y Arquitectura. Bienio 96/98 [ES]La tesis doctoral, Arte Gráfico y Tecnología una Relación Privada en la Obra (Gráfica) de Fabiola Ubani parte del análisis de la obra realizada por la Doctoranda a lo largo de veinticinco años de trayectoria artística. Obra en la que la tecnología ha jugado un papel fundamental, tanto en el proceso como en el producto. Por lo que el principal objetivo se orienta en: analizar y pro...

  15. Improving Agent Bidding in Power Stock Markets through a Data Mining Enhanced Agent Platform

    Science.gov (United States)

    Chrysopoulos, Anthony C.; Symeonidis, Andreas L.; Mitkas, Pericles A.

    Like in any other auctioning environment, entities participating in Power Stock Markets have to compete against other in order to maximize own revenue. Towards the satisfaction of their goal, these entities (agents - human or software ones) may adopt different types of strategies - from na?ve to extremely complex ones - in order to identify the most profitable goods compilation, the appropriate price to buy or sell etc, always under time pressure and auction environment constraints. Decisions become even more difficult to make in case one takes the vast volumes of historical data available into account: goods’ prices, market fluctuations, bidding habits and buying opportunities. Within the context of this paper we present Cassandra, a multi-agent platform that exploits data mining, in order to extract efficient models for predicting Power Settlement prices and Power Load values in typical Day-ahead Power markets. The functionality of Cassandra is discussed, while focus is given on the bidding mechanism of Cassandra’s agents, and the way data mining analysis is performed in order to generate the optimal forecasting models. Cassandra has been tested in a real-world scenario, with data derived from the Greek Energy Stock market.

  16. Self-scheduling and bidding strategies of thermal units with stochastic emission constraints

    International Nuclear Information System (INIS)

    Laia, R.; Pousinho, H.M.I.; Melíco, R.; Mendes, V.M.F.

    2015-01-01

    Highlights: • The management of thermal power plants is considered for different emission allowance levels. • The uncertainty on electricity price is considered by a set of scenarios. • A stochastic MILP approach allows devising the bidding strategies and hedging against price uncertainty and emission allowances. - Abstract: This paper is on the self-scheduling problem for a thermal power producer taking part in a pool-based electricity market as a price-taker, having bilateral contracts and emission-constrained. An approach based on stochastic mixed-integer linear programming approach is proposed for solving the self-scheduling problem. Uncertainty regarding electricity price is considered through a set of scenarios computed by simulation and scenario-reduction. Thermal units are modelled by variable costs, start-up costs and technical operating constraints, such as: forbidden operating zones, ramp up/down limits and minimum up/down time limits. A requirement on emission allowances to mitigate carbon footprint is modelled by a stochastic constraint. Supply functions for different emission allowance levels are accessed in order to establish the optimal bidding strategy. A case study is presented to illustrate the usefulness and the proficiency of the proposed approach in supporting biding strategies

  17. BID-ASK SPREAD DAN PERIODE KEPEMILIKAN SAHAM PADA PERUSAHAAN LQ-45

    Directory of Open Access Journals (Sweden)

    Vinus Maulina

    2011-10-01

    Full Text Available Global crisis gives quite big impact to the Indonesian Stock Exchange and also changes the investor behavior as well. Fundamental exchange which is considered fragile becomes instability threat and reflects uncertain condition. This research aims to analyze and explain empirically the impact of variance return, trading volume, stock prices and return shares toward bid-ask spread which is the measurement of asymmetrical information cost, also the impact of variance return, market value, bid-ask spread and dividend pay out towards common shares holding periods in Indonesia Stock Exchange and some dominant variable that affect them.The findings of this research strengthen the presumption that in conducting the investment, investors in Indonesian Stock Exchange is more oriented to short term investment by expecting more on common shares than dividend. Most investors keep their ownership in common shares in Indonesian Stock Exchange for two years. Besides, the efficient investment strategy which optimizes profit is “switching strategy”, following the market movement every time exactly, using technical information to active shares by moving from the shares that the price is predicted to decline to the increased ones. Moreover, the researcher also got the evidence that the investors in Indonesian capital market conduct their investment irrationally, investor’s analysis is getting technical and gives less attention to the fundamental factors. The decision of selling and buying which is conducted by the investors on common shares is based on the trading activity, that is actually a measurement of the scale of asymmetry information.

  18. Cnooc's fourth bidding round offers first tracts in East China Sea

    International Nuclear Information System (INIS)

    Ganapathy, V.

    1992-01-01

    This paper reports that China National Offshore Oil Corp. (Cnooc) has unveiled details of China's fourth offshore bidding round. It features the first offering of acreage in the East China Sea. Cnooc, China's state agency for offshore oil cooperation with foreign firms, has sweetened fiscal and tax terms for operators in the fourth round, announced June 30 (OGJ, July 6, Newsletter). Cnooc put up for bids two groups of acreage in the East China Sea that cover a total area of almost 73,000 sq km. The northern acreage, consisting of four blocks, covers 18,800 sq km and is 230 km east of Shanghai. The southern acreage, consisting of 16 blocks, covers 54,000 sq km and is 110 km east of Wenzhou, Zhejiang province. The area waters are 50-100 m deep and relatively calm year round. Chines explorationists have conducted 60,000 line km of seismic surveys and drilled five wildcats in the two areas, Data indicate the two areas have thick sediments, good source rocks, and strong conditions for oil traps

  19. Does Bid/Ask Spread React to the Increase of Internet Search Traffic?

    Directory of Open Access Journals (Sweden)

    Ridwan Nurazi

    2015-12-01

    Full Text Available This article solely examines the effect of investor attentions on bid-ask spread. We find that investors’ attention surrogated by Internet Search Traffic (IST contribute positively and significantly toward bid-ask spread (SPREAD. This result indicates that the incoming information directs the market within the stack circumstance and thin trading activity. Here, our samples were obtained from the manufacturing index, in the Indonesia Stock Exchange (IDX during the period of observation ranging from 2009 to 2011. The hypothesis testing in this research is performed by using panel data regression analysis (Fixed Effect Model. Test result reveals that the search of online information through Google is beneficially one of the efforts to reduce asymmetry information between informed investors and uninformed investors. Besides, we also note that asymmetric information not only exists between the informed and uninformed investors, but also happens to market makers and informed investors. Finally, our findings lead to a conclusion, in which the high search of information tends to help investors in making appropriate investment decisions.

  20. Use of multi-criteria decision analysis in public bidding processes: a case study

    Directory of Open Access Journals (Sweden)

    André Andrade Longaray

    2014-02-01

    Full Text Available Institutions of Higher Education in Brazil (IFES play an important role in the country’s social and scientific development. Focused mainly on teaching, research and extension activities, the IFES are backed by support foundations aimed to the management of financial, human and material resources. Characterized as public bodies, the support foundations are governed by Law no 8.666/93 in what concerns the procurement of goods and services. Therefore, the present study is aimed to develop a model to assist the managers of such foundations in the selection of suppliers to participate in bidding processes that use invitation for bids. Therefore, we conducted a case study in one of the 55 foundations that support Brazilian federal universities. The intervention tool used was the Analytic Hierarchy Process (AHP. Firstly, we established the hierarchy of criteria for problem-solving. Then, a paired comparison was made between criteria for the same level. Subsequently, the consistency analysis of comparison matrices was verified. Finally, the relative priorities of each criterion were obtained and the objective function of the model was constructed. The model was tested through the assessment of the performance of three potential suppliers of IT equipment, and the result was legitimized by decision makers who found the instrument a valid tool to aid in making decisions on supplier selection for the foundation.