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Ambiguïté, comportements et marchés financiers

Author

Listed:
  • Meglena Jeleva

    (EconomiX - EconomiX - UPN - Université Paris Nanterre - CNRS - Centre National de la Recherche Scientifique)

  • Jean-Marc Tallon

    (CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

Abstract

Nous proposons une revue de la littérature récente centrée sur les effets de l'ambiguïté (ou incertitude non probabilisée) sur les comportements des acteurs sur les marchés financiers et sur le fonctionnement de ces derniers. Nous exposons les mécanismes théoriques de choix de portefeuille et de formation de prix d'actifs essentiellement, qui diffèrent de ceux reposant sur des modélisations usuelles en termes d'espérance d'utilité. Nous proposons aussi une revue des résultats empiriques et expérimentaux qui viennent illustrer voire étayer les prédictions théoriques décrites.

Suggested Citation

  • Meglena Jeleva & Jean-Marc Tallon, 2014. "Ambiguïté, comportements et marchés financiers," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-01109639, HAL.
    • Handle: RePEc:hal:cesptp:halshs-01109639
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    More about this item

    Keywords

    Ambiguïté; attitude vis-à-vis de l'ambiguïté; prix d'actifs; choix de portefeuille;
    All these keywords.

    JEL classification:

    • G02 - Financial Economics - - General - - - Behavioral Finance: Underlying Principles
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty

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