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Marchés, concurrence et réglementation

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  • Frédéric Marty

    () (GREDEG - Groupe de Recherche en Droit, Economie et Gestion - UNS - Université Nice Sophia Antipolis - UCA - Université Côte d'Azur - CNRS - Centre National de la Recherche Scientifique - UCA - Université Côte d'Azur)

Abstract

Condition nécessaire à l’efficacité des marchés, la concurrence est également un processus fragile et autodestructeur. En effet, sans intervention publique, l’activité économique peut déboucher spontanément sur la concentration et l’accaparement du marché par quelques firmes. Or, les situations de monopole et d’oligopole sont dommageables à long terme pour la collectivité car les entreprises en position dominante pratiquent des prix plus élevés tout en étant moins incitées à innover. La politique de la concurrence, qui vise à éviter les abus de position dominante, fait néanmoins partie des politiques publiques les plus contestées. On lui reproche notamment de réduire la motivation des entreprises les plus innovantes, incitées à prospérer par les perspectives de surprofit liées au dépassement des concurrents. Tout l’enjeu des politiques de concurrence est ainsi de sanctionner les pratiques déloyales sans réduire les incitations à l’efficacité.

Suggested Citation

  • Frédéric Marty, 2015. "Marchés, concurrence et réglementation," Post-Print halshs-01127961, HAL.
  • Handle: RePEc:hal:journl:halshs-01127961 Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-01127961
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    References listed on IDEAS

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