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Intégration internationale et concurrence effective : quelques apports de la théorie de l’oligopole

Author

Listed:
  • Gaussens, Olivier

    (Université de Caen-Basse-Normandie, CREM-UMR CNRS 6211)

  • Lecostey, Sophie

    (Université de Caen-Basse-Normandie, CREM-UMR CNRS 6211)

  • Simon, Geoffray

    (Université de Caen-Basse-Normandie, CREM-UMR CNRS 6211)

Abstract

Market Integration and Competition : Some Insights from Oligopoly Theory This paper provides a survey of some theoretical contributions devoted to the role that international market integration has on effective competition. The analytical framework of this literature encompasses oligopolistic competition and imperfect integration. Our main focus is on the strategic behavior of firms, meaning that their action goes beyond the simple adjustment in price or quantity. In this sense, this literature belongs to what is called “oligopoly trade theory”. The selected contributions tend to conclude that, contrary to what simple intuition might suggest, an increased level of market integration does not necessarily imply a higher degree of competition. As a consequence, to achieve enhanced market competition, increased market integration should be complemented by an adjusted competition policy and an adapted industrial policy, which take into account the side effects of integration. Résumé : L’objectif de ce papier est de présenter une sélection de contributions théoriques étudiant l’effet de l’intégration internationale des marchés sur la concurrence effective. L’analyse est menée en termes d’équilibre partiel. Elle mêle concurrence oligopolistique et intégration imparfaite et met l’accent sur les comportements stratégiques des firmes permettant ainsi de ne pas réduire le champ décisionnel des firmes au simple ajustement de leurs volumes de production ou de leurs prix. En cela, cette littérature relève d’une « économie industrielle de l’intégration internationale ». Le principal résultat auquel aboutissent les contributions présentées est qu’un accroissement de l’intégration internationale n’entraîne pas nécessairement un renforcement de la concurrence et, en corollaire, qu’une intégration plus poussée des marchés doit s’appuyer sur une politique de la concurrence renforcée et/ou une politique industrielle adaptée.

Suggested Citation

  • Gaussens, Olivier & Lecostey, Sophie & Simon, Geoffray, 2011. "Intégration internationale et concurrence effective : quelques apports de la théorie de l’oligopole," L'Actualité Economique, Société Canadienne de Science Economique, vol. 87(4), pages 481-502, décembre.
  • Handle: RePEc:ris:actuec:0061
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    References listed on IDEAS

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