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Les gains d’efficacité dans le contrôle des fusions

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Abstract

Les fusions sont un moteur essentiel de l’économie, permettant aux entreprises de se développer et de prospérer. Elles peuvent certes réduire la concurrence, mais elles peuvent aussi générer des avantages, notamment sous forme de gains d’efficacité. Ces gains peuvent se traduire par des économies de coûts, des produits et des services améliorés, répercutés sur les consommateurs ou d’autres agents économiques. Cette note explore les différentes approches et évolutions de la prise en compte des gains d’efficacité et les critères d’évaluation. Elle présente les raisons possibles de la rareté des gains d’efficacité comme moyen de défense ou de réfutation dans les fusions, ainsi que leur acceptation par les autorités de la concurrence et les tribunaux. Elle examine également la possibilité d’une plus grande prise en compte par les autorités de la concurrence et les tribunaux, et soulève des questions pertinentes pour les discussions futures.

Suggested Citation

  • Ocde, 2025. "Les gains d’efficacité dans le contrôle des fusions," OECD Roundtables on Competition Policy Papers 321, OECD Publishing.
    • Handle: RePEc:oec:dafaac:321-fr
    DOI: 10.1787/4a8cb190-fr
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    Keywords

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    JEL classification:

    • G34 - Financial Economics - - Corporate Finance and Governance - - - Mergers; Acquisitions; Restructuring; Corporate Governance
    • K21 - Law and Economics - - Regulation and Business Law - - - Antitrust Law
    • L4 - Industrial Organization - - Antitrust Issues and Policies
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis

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