Similarity and preferences in the space of simple lotteries |
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Authors: | J. M. Aizpurua T. Ichiishi J. Nieto J. R. Uriarte |
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Affiliation: | 1. Departamento de Economía, Universidad Pública de Navarra-Nafarroako Unibertsitate Publikoa, Campus de Arrosadia, 31006, Pamplona, Spain 2. Department of Economics, Ohio State University, 43210-1172, Columbus, Ohio
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Abstract: | A. Rubinstein's similarity-relation approach to decision making under uncertainty is extended by introducing a new concept of correlated similarity relations. It is shown that every expected utility preference is consistent with the -difference similarity relation on the prize space and some correlated similarity relations on the probability space, and that a similarity relation on the prize space and correlated similarity relations on the probability space overdetermine the preference (in A. Rubinstein's sense).Earlier versions were presented at the Edwin Smart Symposium on Games and Economic Behavior, Ohio State University, 1989, the ESEM 1989 Meeting, the EEA 1989 Meeting, the Workshop on Rational and Boundedly Rational Principles of Strategic Behavior, Universität Bielefeld, 1989, and the ASSET 1991 Meeting. We wish to thank the comments received from the participants in those meetings and the stimulating suggestions of S. Ch. Kolm, R. D. Luce, and an anonymous referee. Financial support from the Universidad del Pais Vasco-Euskal Herriko Unibertsitatea, DGCYT (PS 87-0039) and Gobierno de Navarra are gratefully acknowledged. |
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Keywords: | decision simple lotteries correlated similarity relations |
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