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Concentration des marchés et comportements collusifs : des conflits entre HHI et seuils de collusion

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Listed:
  • Edmond BARANES
  • François MIRABEL
  • Jean-Christophe POUDOU

Abstract

L'objectif de ce papier est d'étudier les interactions entre contrôle des structures et contrôle des comportements. Dans le cadre d'un modèle proche de Bernheim et Whinston (1990), nous montrons comment la relation entre concentration des marchés et comportement collusif peut être affectée par la présence de firmes contact multimarchés. Il apparaît alors que dans certaines configurations de marché, le test HHI peut rentrer en conflit avec la nécéssité de contrôler les comportements collusifs des firmes.

Suggested Citation

  • Edmond BARANES & François MIRABEL & Jean-Christophe POUDOU, 2007. "Concentration des marchés et comportements collusifs : des conflits entre HHI et seuils de collusion," Cahiers du CREDEN (CREDEN Working Papers) 07.01.68, CREDEN (Centre de Recherche en Economie et Droit de l'Energie), Faculty of Economics, University of Montpellier 1.
  • Handle: RePEc:mop:credwp:07.01.68
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