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31.
A Definition of Uncertainty Aversion 总被引:9,自引:1,他引:8
Larry G. Epstein 《The Review of economic studies》1999,66(3):579-608
A definition of uncertainty or ambiguity aversion is proposed. It is argued that the definition is well-suited to modelling within the Savage (as opposed to Anscombe and Aumann) domain of acts. The defined property of uncertainty aversion has intuitive empirical content, behaves well in specific models of preference (multiple-priors and Choquet expected utility) and is tractable. Tractability is established through use of a novel notion of differentiability for utility functions, called eventwise differentiability. 相似文献
32.
In this paper we identify two situations that can lead a firm to hire an executive who supports a corporate culture that differs from the firm's current culture. In the first case, there is a similarity between the firm's culture and that of the candidate, and in the second case, executives who support the firm's culture constitute a minority of the available candidates. In both cases the firm prefers to hire an available candidate, rather than risk a prolonged vacancy. We show how these scenarios can lead to the eradication of unique cultures and to the perpetuation of more common cultures. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
33.
Existing theories of legislative organization attribute thestrong committee system in the U.S. Congress to members' distributive,informational, or partisan needs. But legislators elsewhereshare these same motivations, yet not all have chosen to organizethemselves in a similar fashion. Therefore the strong committeesystem must derive to some extent from the larger constitutionalcontext, including plurality winner elections, bicameralism,and our focus, the system of separate powers. In particularwe argue that committees established in part to oversee executiveagencies will have preferences biased against those of the executive.Thus committees serve as contrary outliers, acting as a counterweightto executive branch policy making. We find support for thisprediction with data drawn from all standing committees fromthe 80th to 102nd Congresses. We also find that each of theseemingly incompatible theories of legislative organizationpredicts well patterns of committee composition in differentissue areas. 相似文献
34.
For suitable non-atomic TU games ν, the core can be determined by computing appropriate derivatives of ν, yielding one of two stark conclusions: either core(ν) is empty or it consists of a single measure that can be expressed explicitly in terms of derivatives of ν. In this sense, core theory for a class of games may be reduced to calculus. Journal of Economic Literature Classification Number: C71. 相似文献
35.
We study the demand for flexibility and what it reveals about subjective uncertainty. As in Kreps [D. Kreps, 1979. A representation theorem for ‘preference for flexibility’. Econometrica 47, 565–577], Nehring [K. Nehring, 1996. Preference for flexibility and freedom of choice in a Savage framework. UC Davis Working Paper; K. Nehring, 1999. Preference for flexibility in a Savage framework. Econometrica 67, 101–119] and Dekel et al. [E. Dekel, B. Lipman, A. Rustichini, 2001. Representing preferences with a unique subjective state space. Econometrica 69, 891–934], the latter is represented by a subjective state space consisting of possible future preferences over actions to be chosen ex post. One contribution is to provide axiomatic foundations for a range of alternative hypotheses about the nature of these ex post preferences. Secondly, we establish a sense in which the subjective state space is uniquely pinned down by the ex ante ranking of (random) menus. Finally, we demonstrate the tractability of our representation by showing that it can model the two comparative notions “2 desires more flexibility than 1” and “2 is more averse to flexibility-risk than is 1.” 相似文献
36.
Hans K. Fauske Michael Epstein Michael A. Grolmes Joseph C. Leung 《Process Safety Progress》1986,5(4):205-208
For large atmospheric vessels the potential occurrence of sufficient liquid swell resulting in two-phase flow is of special importance. Based upon an extension of analytical work it would appear justifiable to ignore two-phase flow effects for non-foamy systems. 相似文献
37.
Contests, NGOs, and Decentralizing Aid 总被引:1,自引:1,他引:0
International donors usually have particular goals they want to achieve with their foreign aid, e.g., poverty alleviation. In the international aid story lobbying by potential recipient groups attempting to capture the donor's support plays a potentially important role for non‐governmental organizations. We model this situation as a hierarchical contest and compare the implications of a centralized allocation process with a decentralized allocation process with non‐governmental organizations as intermediaries. 相似文献
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39.
虽然对中国经济有减速预期,但考虑到其速度仍将是美国的三倍,美国公司毅然决定加码中国。 相似文献
40.