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Merger control on two- sided markets: is there need for an efficiency defense?

Author

Listed:
  • Andreea Cosnita-Langlais

    (EconomiX - EconomiX - UPN - Université Paris Nanterre - CNRS - Centre National de la Recherche Scientifique)

  • Edmond Baranes

  • Thomas Cortade

Abstract

We study horizontal mergers on two-sided markets between horizontally differentiated platforms. We provide a theoretical analysis of the merger's price effect based on the amount of cost savings it generates, the behavior of outsider platforms, and the size of cross-group network effects. We point out differences as compared with the standard, one-sided merger analysis, and also discuss the merger control policy implications.
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Suggested Citation

  • Andreea Cosnita-Langlais & Edmond Baranes & Thomas Cortade, 2017. "Merger control on two- sided markets: is there need for an efficiency defense?," Post-Print hal-01668579, HAL.
    • Handle: RePEc:hal:journl:hal-01668579
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    Citations

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    Cited by:

    1. Jullien, Bruno & Sand-Zantman, Wilfried, 2021. "The Economics of Platforms: A Theory Guide for Competition Policy," Information Economics and Policy, Elsevier, vol. 54(C).
    2. Joao Correia‐da‐Silva & Bruno Jullien & Yassine Lefouili & Joana Pinho, 2019. "Horizontal mergers between multisided platforms: Insights from Cournot competition," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 28(1), pages 109-124, January.
    3. Shiva Shekhar & Radostina Shopova, 2025. "The Limits of Media See-Saws: Ad-Funded Platform Mergers Can Harm Both Sides," CESifo Working Paper Series 11768, CESifo.
    4. Shekhar, Shiva & Shopova, Radostina, 2025. "The limits of media see-saws: Ad-funded platform mergers can harm both sides," Economics Letters, Elsevier, vol. 254(C).

    More about this item

    Keywords

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    JEL classification:

    • L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • K21 - Law and Economics - - Regulation and Business Law - - - Antitrust Law

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