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Efficiencies in merger control

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  • OECD

Abstract

Mergers are a pivotal force in the economy, enabling companies to expand and thrive. Mergers may reduce competition but they can also generate benefits, some in the shape of efficiencies. These efficiencies can result in cost savings, improved products and enhanced services, which can be passed on to consumers or other agents in the economy. This paper explores the different approaches and developments in considering efficiencies in merger control, including the types of efficiencies considered and the criteria to assess them. It presents possible reasons why efficiencies as a defence or rebuttal in mergers remain rare, as is their acceptance by competition authorities and courts. It also discusses whether there is room for more consideration from competition authorities and courts, and raises some relevant questions for future discussions.

Suggested Citation

  • Oecd, 2025. "Efficiencies in merger control," OECD Roundtables on Competition Policy Papers 321, OECD Publishing.
    • Handle: RePEc:oec:dafaac:321-en
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    More about this item

    Keywords

    competition policy; costs; economic policies; efficiencies; efficiency defense; merger control; welfare;
    All these keywords.

    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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