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Croyances individuelles et coordination sociale

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  • Defalvard, Hervé

    (OEP, Université de Marne-La-Vallée)

Abstract

Non cooperative game theory has deeply renewed the equilibrium analysis as social coordination of individual choices in the last twenty years. More particularly, a literature has emerged in recent years that explores cognitive or epistemic conditions for various types of strategic equilibrium. Our paper aims to highlight the limits of this new approach in game theory from social coordination viewpoint. After specificing the internal limits that concern either cognitive conditions extremely strong or difficulties of social coordination because of models incompleteness, the paper studies the external limit of non cooperative game theory as theory of social coordination. The latter is related to the way to pose the problem of social coordination as a question of information only and no as a question of meaning also. Take into consideration this important aspect of social coordination entails to consider the new foundations for social equilibirum, adapted to a new type of games, games with institution. La théorie des jeux a profondément renouvelé l’analyse économique de l’équilibre en tant que coordination sociale des choix individuels. Plus particulièrement, un ensemble de travaux a récemment émergé qui explore les conditions cognitives des principaux concepts d’équilibre stratégique. Notre article se propose alors d’éclairer les limites de cette nouvelle approche en théorie des jeux du point de vue de la coordination sociale. Nous préciserons, d’une part, ses limites internes qui concernent soit les conditions cognitives très fortes, soit les obstacles à la coordination en raison d’une incomplétude des modèles. D’autre part, nous dégagerons la limite externe de la théorie des jeux qui est liée à sa manière de poser la question de la coordination sociale comme une question d’information, en laissant de côté la question de la signification des choix et des actions individuels. Le dépassement de cette limite externe nous conduira, à la fin, à envisager d’autres fondements que des fondements cognitifs pour la coordination sociale des actions individuelles, adaptés à un nouveau type de jeux, les jeux à institution.

Suggested Citation

  • Defalvard, Hervé, 2000. "Croyances individuelles et coordination sociale," L'Actualité Economique, Société Canadienne de Science Economique, vol. 76(3), pages 341-364, septembre.
  • Handle: RePEc:ris:actuec:v:76:y:2000:i:3:p:341-364
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