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Optimal Risk-Sharing Rules and Equilibria With Non-Additive Expected Utility

Author

Listed:
  • Chateauneuf, A.
  • Dana, R.-A,
  • Tallon, J.-M.

Abstract

This paper explores the consequences of non-additive expected utility on risk-sharing and equilibrium in a general equilibrium set-up. We establish that convexity of an agent's preferences (or strong uncertainty aversion) is equivalent to the convexity of his capacity and concavity of his utility index. We also characterize a weaker form of uncertainty aversion.

Suggested Citation

  • Chateauneuf, A. & Dana, R.-A, & Tallon, J.-M., 1997. "Optimal Risk-Sharing Rules and Equilibria With Non-Additive Expected Utility," Papiers d'Economie Mathématique et Applications 97.54, Université Panthéon-Sorbonne (Paris 1).
  • Handle: RePEc:fth:pariem:97.54
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    Citations

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    Cited by:

    1. Bettzuge, Marc Oliver & Hens, Thorsten & Laitenberger, Marta & Siwik, Thomas, 2000. "On Choquet prices in a GEI-model with intermediation costs," Research in Economics, Elsevier, vol. 54(2), pages 133-152, June.
    2. Wen-Fang Liu, 1998. "Heterogeneous Agent Economies with Knightian Uncertainty," Discussion Papers in Economics at the University of Washington 0053, Department of Economics at the University of Washington.
    3. Strzalecki, Tomasz & Werner, Jan, 2011. "Efficient allocations under ambiguity," Journal of Economic Theory, Elsevier, vol. 146(3), pages 1173-1194, May.
    4. Jeleva, Meglena & Tallon, Jean-Marc, 2016. "Ambiguïté, comportements et marchés financiers," L'Actualité Economique, Société Canadienne de Science Economique, vol. 92(1-2), pages 351-383, Mars-Juin.
    5. Jan Werner, 2009. "Risk and risk aversion when states of nature matter," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 41(2), pages 231-246, November.
    6. Eisei Ohtaki & Hiroyuki Ozaki, 2015. "Monetary equilibria and Knightian uncertainty," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 59(3), pages 435-459, August.

    More about this item

    Keywords

    RISK ; UTILITY FUNCTION ; MODELS;

    JEL classification:

    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • C60 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - General

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