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Quelques réflexions sur la formation stratégique des prix dans un contexte d'équilibre général


  • Hubert Stahn


[eng] This paper is devoted to the study of the price formation in a context of general equilibrium. In fact, I try to understand how the works on imperfect competition improve this field. This is why I progressively review the contributions of the standard monopoly theory, of the monopolistic competition approach and of the standard general equilibrium theory. Several models are presented in this paper in which I progressively increase the degree of rationality of price maker by moving from a subjective to an objective perception of the demand. In each case, I also briefly discuss the existence conditions. [fre] L'objectif de ce travail est de s'intéresser à la formation stratégique des prix dans un contexte d'équilibre général et de comprendre dans quelle mesure les travaux sur la concurrence imparfaite ont contribué à faire progresser la recherche sur ce thème. Cela m'amènera à passer en revue les apports de la théorie du monopole, des modélisations de la concurrence monopolistique et enfin de la théorie de l'équilibre général. Ces différentes approches me permettront de présenter plusieurs modélisations d'un équilibre général de concurrence monopolistique reposant sur des hypothèses alternatives quant au degré de rationalité des anticipations de demande des monopoles. Dans chaque cas, j'évoquerai également les problèmes posés par la modélisation et je discuterai des conditions d'existence de ces équilibres.

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  • Hubert Stahn, 2000. "Quelques réflexions sur la formation stratégique des prix dans un contexte d'équilibre général," Cahiers d'Économie Politique, Programme National Persée, vol. 37(1), pages 225-255.
  • Handle: RePEc:prs:caecpo:cep_0154-8344_2000_num_37_1_1297
    Note: DOI:10.3406/cep.2000.1297

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    References listed on IDEAS

    1. d'Aspremont, Claude & Dos Santos Ferreira, Rodolphe & Gerard-Varet, Louis-Andre, 1997. "General Equilibrium Concepts under Imperfect Competition: A Cournotian Approach," Journal of Economic Theory, Elsevier, vol. 73(1), pages 199-230, March.
    2. Allen, Beth, 1994. "Randomization and the limit points of monopolistic competition," Journal of Mathematical Economics, Elsevier, vol. 23(3), pages 205-218, May.
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