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A strict expected multi-utility theorem

Leandro Gorno

Journal of Mathematical Economics, 2017, vol. 71, issue C, 92-95

Abstract: This paper integrates two key approaches to the representation of incomplete preferences over lotteries. The main result strengthens the conclusion of the expected multi-utility theorem in Dubra, Maccheroni, and Ok (2004) by ensuring that all utility indices involved are Aumann utilities (i.e., yield a strictly increasing expectation). The advantages of the method are demonstrated by parametrizing maximal elements and by providing a novel characterization of Aumann utilities.

Keywords: Incomplete preference relations; Expected utility (search for similar items in EconPapers)
Date: 2017
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