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Collusion et structure des coûts dans un marché de duopole mixte vs privé de téléphonie mobile

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Author Info

  • Sami Debbichi

    (AEDD - Analyse Economique et Développement Durable - Université de Tunis El Manar)

  • Walid Hichri

    (GATE Lyon Saint-Etienne - Groupe d'analyse et de théorie économique - CNRS : UMR5824 - Université Lumière - Lyon II - École Normale Supérieure - Lyon)

Abstract

Nous présentons dans ce papier une modélisation du seuil critique de préférence pour la collusion dans un duopole mixte/privé en fonction du tarif d'interconnexion et de son coût marginal, dans un régime de concurrence à la Cournot. L'objectif consiste à comparer la préférence pour la collusion à travers ce seuil dans les deux structures de marché étudiées et dans deux cas de figures : coûts d'interconnexion linéaires et coût d'interconnexion quadratiques. Les résultats montrent que le seuil dépend de deux variables : Le tarif d'interconnexion et un paramètre relatif à la technologie employée par l'opérateur. Les résultats de l'application au cas du marché Tunisien sont conformes aux résultats théoriques.

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Bibliographic Info

Paper provided by HAL in its series Working Papers with number halshs-00822769.

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Date of creation: 15 May 2013
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Handle: RePEc:hal:wpaper:halshs-00822769

Note: View the original document on HAL open archive server: http://halshs.archives-ouvertes.fr/halshs-00822769
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Related research

Keywords: Collusion; Structure des coûts; Marché Mixte;

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