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- W3136159180 abstract "We propose a class of multiple-prior representations of preferences under ambiguity, where the belief the decision-maker (DM) uses to evaluate an uncertain prospect is the outcome of a game played by two conflicting forces, Pessimism and Optimism. The model does not restrict the sign of the DM’s ambiguity attitude, and we show that it provides a unified framework through which to characterize different degrees of ambiguity aversion, and to represent the co-existence of negative and positive ambiguity attitudes within individuals as documented in experiments. We prove that our baseline representation, dual-self expected utility (DSEU), yields a novel representation of the class of invariant biseparable preferences (Ghirardato, Maccheroni, and Marinacci, 2004), which drops uncertainty aversion from maxmin expected utility (Gilboa and Schmeidler, 1989), while extensions of DSEU allow for more general departures from independence. We also provide foundations for a generalization of prior-by-prior belief updating to our model." @default.
- W3136159180 created "2021-03-29" @default.
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- W3136159180 date "2021-01-01" @default.
- W3136159180 modified "2023-09-23" @default.
- W3136159180 title "Dual-self Representations of Ambiguity Preferences" @default.
- W3136159180 doi "https://doi.org/10.2139/ssrn.3863307" @default.
- W3136159180 hasPublicationYear "2021" @default.
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