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Using a multivariate distribution of traders' information with correlations, we specify the traders' bidding strategies on tenders of European soft wheat intervention stocks. We show that correlations may have opposing effects on the traders' bidding strategy, depending on their valuation of the grain. This structural approach allows us to estimate the traders' strategies using generalized method of moments procedures. 相似文献
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Yves Zenou 《European Economic Review》2009,53(6):607-624
The aim of this paper is to expose the recent developments of urban search models which incorporate a land market into a search-matching framework. Using these models, we will be able to explain why unemployment rates vary within a city, how city structure affects workers’ labor-market outcomes, how unemployment benefits and the job-destruction rate affect the growth of cities and why workers living far away from job centers search less intensively and experience higher unemployment rates than those residing closer to jobs. We are also able to explain why, as compared to whites, black workers spend more time commuting to work but travel less miles and search for jobs over a smaller area. 相似文献
15.
We extend Kamien and Tauman's (1986) analysis of the value of a patent. We find that an inventor can always design a fixed fee plus royalty contract such that his revenue is equal to the profit a monopoly endowed with the innovation could make on the market. This implies that the social value of a patent can be strictly negative whenever the patented innovation is of bad quality. We also explain why a principal can have an interest in using performance-based contracts although the principal and the agents are risk-neutral, information is symmetric, and agents' actions are verifiable. 相似文献
16.
Georgios K.D. Saharidis Vassilis S. Kouikoglou Yves Dallery 《International Journal of Production Economics》2009,117(1):117-126
An analysis of control policies for a two-stage supply chain with subcontractors at each stage is presented when decisions at each stage concerning safety stocks, backorders, and subcontracting are made jointly or in a decentralized manner. The inventory/admission control policies considered are base stock, echelon base stock and partial backordering, and the objective is to maximize the mean profit rate of the system. The optimal control parameters are found by exhaustive search using Markov chains. From numerical examples it appears that the policies which manage jointly sales and production levels in each stage provide much higher overall (system) profits than decentralized policies, although the latter are individually more profitable for the second stage. In addition, partial backordering provides the system with an extra profit above those that result from the lost sales (no backordering) and complete backordering policies. Finally, a number of numerical results show the impact of variations in certain system parameters on the optimal control parameters and the corresponding profit. 相似文献
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Yves Fassin 《Business ethics (Oxford, England)》2008,17(4):364-378
There exists increasing pressure for small and medium‐sized enterprises (SMEs) to engage in corporate social responsibility (CSR) practices, including social reporting. Curiously in this promotional programme of CSR reporting, the only group whose ideas are not sought in this debate are the SME leaders themselves. The present ethnographic field analysis, based on discussions within entrepreneurs' circles, tends to suggest that the argument for expanding formalisation of CSR to SMEs rests upon several fallacies. It implicitly assumes that an apparent solution for large multinationals can be transposed to SMEs, and it underestimates the drawbacks of bureaucracy. Moreover, many SMEs experience inconsistency between the idealistic CSR communication of some large companies and their actions, especially in the supply chain. The author concludes that reports do not constitute the validation for real CSR, nor the proof of superior ethical behaviour. Formalisation can even be counterproductive. Conversely, the absence of social reporting does not imply that SMEs do not behave responsible. CSR in SMEs needs a specific approach, adapted to the informal nature and entrepreneurial character of the small business. The essence of CSR lies in the implementation of responsible business practices. It lies in the right attitudes, in the corporate culture, not in formalisation. 相似文献
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Yves Bozec Richard Bozec 《Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l\u0027Administration》2007,24(3):182-195
The objective of this study is to analyze the relation between ownership concentration and corporate governance practices of a group of Canadian companies listed on the Toronto Stock Exchange. We rely on the corporate governance index developed by the Report on Business (ROB) in 2002. Our empirical results are consistent with the expropriation effect argument that predicts a negative relation between deviation from the one share‐one vote rule and corporate governance best practices. In this context, the dominant shareholder has incentives to maintain weak internal controls in order to facilitate expropriation. In addition, consistent with prior research, our results give partial support to the substitution effect argument by showing a negative impact of ownership concentration on the board composition subindex. Copyright © 2007 ASAC. Published by John Wiley & Sons, Ltd. 相似文献
20.
Yves L. Doz Mikko Kosonen 《董事会》2014,(10):88-89
正对很多企业来说,成长的机会跨越不同的市场疆域,而且挑战组织内部的界限。要做到这一点,需要跨部门来制定整合的策略和行动。这意味着,企业迫切需要针对高层,引进全新的领导模式当企业改变商业模式,高管团队最好也跟着改变彼此的互动模式。灵活应变的企业里,各部门的主管应建立相互依赖的关系,激励相互扶持,并谨慎处理这些关系,以促进协同合作。成功企业的高管,通常 相似文献