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Analyse et limites de l'évaluation rétrospective d'une concentration

  • Patrice Bougette

    ()

    (GREDEG - Groupe de Recherche en Droit, Economie et Gestion - CNRS : UMR6227 - Université de Nice Sophia-Antipolis)

Selon une perspective méthodologique, cet article présente les différents moyens d'évaluer une décision de concentration rendue par l'autorité de concurrence. La tendance croissante à mesurer l'efficacité de la politique de concurrence nécessite un point de synthèse des principaux outils existants. Quatre techniques envisageables sont exposées à cette fin : la simulation à l'aide de modèles structurels, l'analyse événementielle des cours boursiers, la méthode des doubles différences et, enfin, les enquêtes et tests de marché. Nous nous demandons dans quelle mesure ces outils habituellement utilisés lors d'une notification de concentration peuvent être transposés pour une étude rétrospective. Les intérêts et limites de chaque approche sont successivement relevés pour souligner leur possible complémentarité.

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Paper provided by HAL in its series Post-Print with number hal-00463327.

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Date of creation: 2009
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Publication status: Published, Revue Internationale de Droit Economique, 2009, 23, 2, 159-173
Handle: RePEc:hal:journl:hal-00463327
Note: View the original document on HAL open archive server: http://hal.archives-ouvertes.fr/hal-00463327/en/
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