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La Théorie Comportementale du Portefeuille et l’Equilibre du Marché

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  • Olga Bourachnikova

    (Laboratoire de Recherche en Gestion et Economie, EM Strasbourg, Université de Strasbourg)

Abstract

Le portefeuille optimal issu du modèle de gestion de portefeuille de Shefrin et Statman (2000) diffère de celui proposé par les approches classiques de Markowitz (1952) et de la théorie de l’utilité espérée. Dans cette étude nous développons un modèle d’équilibre du marché sur lequel tous les investisseurs se comportent conformément au modèle de Shefrin et Statman. Nous montrons que les prix des actifs établis à l’équilibre vérifient les mêmes conditions que ceux obtenus dans le cadre de la théorie de l’utilité espérée. Ainsi, nous mettons un doute quant au positionnement particulier du modèle de Shefrin et Statman comme l’alternative à l’approche classique.

Suggested Citation

  • Olga Bourachnikova, 2009. "La Théorie Comportementale du Portefeuille et l’Equilibre du Marché," Working Papers of LaRGE Research Center 2009-10, Laboratoire de Recherche en Gestion et Economie (LaRGE), Université de Strasbourg.
    • Handle: RePEc:lar:wpaper:2009-10
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