Utility in Case-Based Decision Theory

Abstract : This paper provides two axiomatic derivations of a case-baseddecision rule. Each axiomatization shows that, if preference orders over available acts in various contexts satisfy certain consistency requirements, then these orders can be numerically represented by maximization of a similarity-weighted utility function. In each axiomatization, both the similarity function and the utility function are simultaneously derived from preferences, and the axiomatic derivation also suggests a way to elicit these theoretical concepts from in-principle observable preferences. The two axiomatizations differ in the type of decisions that they assume as data.
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Article dans une revue
Journal of Economic Theory, Elsevier, 2002, vol. 105, issue 2, pp. 483-502. 〈10.1006/jeth.2001.2858〉
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Soumis le : jeudi 15 novembre 2012 - 12:18:37
Dernière modification le : jeudi 15 novembre 2012 - 12:19:21

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Itzhak Gilboa, David Schmeidler, Peter P. Wakker. Utility in Case-Based Decision Theory. Journal of Economic Theory, Elsevier, 2002, vol. 105, issue 2, pp. 483-502. 〈10.1006/jeth.2001.2858〉. 〈hal-00752278〉

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