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Oliver Gürtler 《Bulletin of economic research》2006,58(3):267-284
This article addresses the selection problem in promotion tournaments. I consider a situation with heterogeneous employees and ask whether an employer might be interested in repeating a promotion tournament. On the one hand, this yields a reduction in uncertainty over the employees’ abilities. On the other hand, there are costs if a workplace stays vacant. 相似文献
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Summary. We find that in cumulative prospect theory (CPT) with a concave value function in gains, a lottery with finite expected value may have infinite subjective value. This problem does not occur in expected utility theory. The paradox occurs in particular in the setting and the parameter regime studied by Tversky and Kahneman [15] and in subsequent works. We characterize situations in CPT where the problem can be resolved. In particular, we define a class of admissible probability distributions and admissible parameter regimes for the weighting- and value functions for which finiteness of the subjective value can be proved. Alternatively, we suggest a new weighting function for CPT which guarantees finite subjective value for all lotteries with finite expected value, independent of the choice of the value function. Some of these results have already been found independently by Blavatskyy [4] in the context of discrete lotteries.Received: 14 October 2004, Revised: 6 May 2005, JEL Classification Numbers:
C91, D81.We thank Pavlo Blavatskyy and Thorsten Hens for their helpful remarks regarding our paper. Moreover, we thank the referee for his constructive suggestions. This research was supported by the University Research Priority Program “Finance and Financial Markets” a research instrument of the University of Zürich. 相似文献
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Small Business Economics - 相似文献
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Monoculture versus diversity in competition economics 总被引:1,自引:0,他引:1
Economics rightfully represents the major basis for competitionpolicy. Next to generating knowledge about competition and itswelfare effects, the currently popular more-economicapproach is charged with a number of additional hopesand expectations. While this article highlights the benefitsof economics-based competition policy, it takes a cautious stancetowards excessive expectations, in particular regarding theidea that a monocultural, unified competitiontheory as an exact, objective and unerring scientific approachto antitrust could make normative assessment and generalisationssuperfluous. Diversity in competition economics is advocatedin two ways. First, competition economics is empirically characterisedby a considerable pluralism of theories and policy paradigms.Second, it is demonstrated that this diversity of theories istheoretically beneficial for future scientific progress. Asno ultimate competition theory can ever be expected., the more-economicapproach must be extended in order to embrace diversity. 相似文献
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