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A belief-based definition of ambiguity aversion

Author

Listed:
  • Xiangyu Qu

    (CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique)

Abstract

This paper proposes a notion of ambiguity aversion and characterizes it in the context of biseparable preferences, which include many popular ambiguity models in the literature. The defined properties suggest that ambiguity aversion is characterized by the properties of its capacity. This formalizes a sharp distinction between ambiguity and risk aversion, where risk aversion is characterized by the properties of its utility index and its probability weighting function.

Suggested Citation

  • Xiangyu Qu, 2015. "A belief-based definition of ambiguity aversion," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) hal-01437539, HAL.
    • Handle: RePEc:hal:cesptp:hal-01437539
    DOI: 10.1007/s11238-014-9452-1
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    Cited by:

    1. is not listed on IDEAS
    2. Kellerer, Belinda, 2019. "Portfolio Optimization and Ambiguity Aversion," Junior Management Science (JUMS), Junior Management Science e. V., vol. 4(3), pages 305-338.
    3. Pavlo Blavatskyy, 2024. "Who is ambiguity neutral?," The Geneva Risk and Insurance Review, Palgrave Macmillan;International Association for the Study of Insurance Economics (The Geneva Association), vol. 49(2), pages 181-193, September.

    More about this item

    Keywords

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    JEL classification:

    • D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty

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