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Asymmetric Information, Non-Additive Expected Utility and the Information Revealed by Prices: A Simple Example

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  • Tallon, J.M.

Abstract

In this note we develop a simple example of a model in which agents have asymmetric information, and preferences that are represented by a non-additive expected utility function. Even in the finite case, that is when the equilibrium price function is fully revealing, it can be worth for an a priori uninformed agent to buy some private information, if he is more confident in that information than in the one revealed by the price system
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Suggested Citation

  • Tallon, J.M., 1994. "Asymmetric Information, Non-Additive Expected Utility and the Information Revealed by Prices: A Simple Example," Papiers d'Economie Mathématique et Applications 94.27, Université Panthéon-Sorbonne (Paris 1).
    • Handle: RePEc:fth:pariem:94.27
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    Cited by:

    1. Antoine Billot & Sujoy Mukerji & Jean-Marc Tallon, 2020. "Market Allocations under Ambiguity: A Survey," Revue économique, Presses de Sciences-Po, vol. 71(2), pages 267-282.
    2. repec:esx:essedp:719 is not listed on IDEAS
    3. repec:esx:essedp:770 is not listed on IDEAS
    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. Kostas Koufopoulos & Roman Kozhan, 2016. "Optimal insurance under adverse selection and ambiguity aversion," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 62(4), pages 659-687, October.
    6. Yu, Edison G., 2018. "Dynamic market participation and endogenous information aggregation," Journal of Economic Theory, Elsevier, vol. 175(C), pages 491-517.
    7. Scott Condie & Jayant V. Ganguli, 2011. "Ambiguity and Rational Expectations Equilibria," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 78(3), pages 821-845.
    8. Mukerji, Sujoy & Tallon, Jean-Marc, 2004. "Ambiguity aversion and the absence of wage indexation," Journal of Monetary Economics, Elsevier, vol. 51(3), pages 653-670, April.
    9. Scott Condie & Jayant Ganguli, 2011. "Informational efficiency with ambiguous information," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 48(2), pages 229-242, October.
    10. Philipp K. Illeditsch & Jayant V. Ganguli & Scott Condie, 2021. "Information Inertia," Journal of Finance, American Finance Association, vol. 76(1), pages 443-479, February.
    11. Rigotti, Luca & Shannon, Chris, 2012. "Sharing risk and ambiguity," Journal of Economic Theory, Elsevier, vol. 147(5), pages 2028-2039.
    12. Le Van, Cuong & Navrouzoglou, Paulina & Vailakis, Yiannis, 2019. "On endogenous formation of price expectations," Games and Economic Behavior, Elsevier, vol. 115(C), pages 436-458.
    13. Alberto Naudon & Matías Tapia & Felipe Zurita, 2004. "Ignorance, Fixed Costs, and the Stock-Market Participation Puzzle," Documentos de Trabajo 262, Instituto de Economia. Pontificia Universidad Católica de Chile..
    14. Condie, Scott & Ganguli, Jayant, 2017. "The pricing effects of ambiguous private information," Journal of Economic Theory, Elsevier, vol. 172(C), pages 512-557.
    15. repec:esx:essedp:720 is not listed on IDEAS
    16. J L Ford & David Kelsey & W Pang, 2005. "Ambiguity in Financial Markets: Herding and Contrarian Behaviour," Discussion Papers 05-11, Department of Economics, University of Birmingham.
    17. Ganguli, Jayant & Condie, Scott, 2012. "The pricing effects of ambiguous private information," Economics Discussion Papers 5631, University of Essex, Department of Economics.

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    Keywords

    INFORMATION; PRICES;

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