We study a decision maker characterized by two binary relations. The first reflects his judgments about well-being, his mental preferences. The second describes the decision maker’s choice behavior, his behavioral preferences. We propose axioms that describe a relation between these two preferences, so between mind and behavior, thus disentangling two different perspectives on preferences: a description of tastes (and attitudes) and a way to organize behavioral data. We obtain two representations: one in which mental preferences uniquely determine choice behavior, another for which mental preferences direct behavior but room remains for biases and framing effects. Our results also provide a foundation for a decision analysis procedure called robust ordinal regression and proposed by Greco et al. (2008).
Rational preference and rationalizable choice
Simone Cerreia-Vioglio;Fabio Maccheroni
;Massimo Marinacci
2020
Abstract
We study a decision maker characterized by two binary relations. The first reflects his judgments about well-being, his mental preferences. The second describes the decision maker’s choice behavior, his behavioral preferences. We propose axioms that describe a relation between these two preferences, so between mind and behavior, thus disentangling two different perspectives on preferences: a description of tastes (and attitudes) and a way to organize behavioral data. We obtain two representations: one in which mental preferences uniquely determine choice behavior, another for which mental preferences direct behavior but room remains for biases and framing effects. Our results also provide a foundation for a decision analysis procedure called robust ordinal regression and proposed by Greco et al. (2008).File | Dimensione | Formato | |
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