Lexicographic expected utility with a subjective state space

Youichiro Higashi, Kazuya Hyogo

Research output: Contribution to journalArticlepeer-review


This paper provides a model that allows for a criterion of admissibility based on a subjective state space. For this purpose, we build a non-Archimedean model of preference with subjective states, generalizing Blume et al. (Econometrica 59:61-79, 1991), who present a non-Archimedean model with exogenous states; and Dekel et al. (Econometrica 69:891-934, 2001), who present an Archimedean model with an endogenous state space. We interpret the representation as modeling an agent who has several "hypotheses" about her state space, and who views some as "infinitely less relevant" than others.

Original languageEnglish
Pages (from-to)175-192
Number of pages18
JournalEconomic Theory
Issue number1
Publication statusPublished - Jan 2012


  • Admissibility
  • Lexicographic expected utility
  • Non-Archimedean preferences
  • Subjective state space

ASJC Scopus subject areas

  • Economics and Econometrics


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