COPING RATIONALLY WITH AMBIGUITY: ROBUSTNESS VERSUS AMBIGUITY-AVERSION

被引：2
|
作者：
Nehring, Klaus [1 ]
机构：
[1] Univ Calif Davis, Davis, CA 95616 USA
来源：
ECONOMICS AND PHILOSOPHY | 2009年 / 25卷 / 03期
关键词：
EXPECTED UTILITY; DEFINITION; ATTITUDES; CHOICE; RISK;
D O I：
10.1017/S0266267109990265
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
Al-Najjar and Weinstein (2009) argue that the extant literature on ambiguity aversion is not successful in accounting for Ellsberg choices as rational responses to ambiguity. We concur, and propose that rational choice under ambiguity aims at robustness rather than avoidance of ambiguity. A central argument explains why robust choice is intrinsically context-dependent and legitimately violates standard choice consistency conditions. If choice consistency is forced, however, ambiguity-aversion emerges as a semi-rational response to ambiguity.
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页码：303 / 334
页数：32
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