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Ventes liées et concurrence sur les marchés énergétiques

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  • Marion PODESTA

Abstract

Dans cet article nous nous proposons d'analyser les effets de l'ouverture à la concurrence sur les stratégies de tarification des ventes liées à travers un modèle de choix discret. Nous montrons que dans une situation de duopole vendre les biens de manière indépendante est un équilibre de Nash pareto dominant pour les deux firmes, cependant les firmes peuvent également se coordonner sur d'autres équilibres et notamment suivre une stratégie de ventes liées. Ce résultat vient à l'encontre de celui du monopole qui incite les firmes à pratiquer une stratégie de tarification mixte, alors que dans un environnement duopolistique, l'intensité concurrentielle domine l'effet positif des ventes liées via la discrimination par les prix.

Suggested Citation

  • Marion PODESTA, 2006. "Ventes liées et concurrence sur les marchés énergétiques," Cahiers du CREDEN (CREDEN Working Papers) 06.10.66, CREDEN (Centre de Recherche en Economie et Droit de l'Energie), Faculty of Economics, University of Montpellier 1.
    • Handle: RePEc:mop:credwp:06.10.66
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    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • Q4 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy

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