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Self-preferencing and foreclosure in digital markets: Theories of harm for abuse cases

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  • Motta, Massimo

Abstract

Antitrust agencies all over the world have been investigating large digital platforms for practices which may constitute an abuse of dominance. Here I discuss practices (including ‘self-preferencing’ and denial or degradation of interoperability) which can be interpreted as foreclosure in vertically-related or complementary markets. I discuss, in particular, a few high-profile cases involving Amazon, Apple, Facebook and Google. I focus on possible theories of harm for such cases and show that both original simple models and well-established economic theories (adapted or interpreted) provide a rationale for anti-competitive foreclosure.

Suggested Citation

  • Motta, Massimo, 2023. "Self-preferencing and foreclosure in digital markets: Theories of harm for abuse cases," International Journal of Industrial Organization, Elsevier, vol. 90(C).
    • Handle: RePEc:eee:indorg:v:90:y:2023:i:c:s0167718723000553
    DOI: 10.1016/j.ijindorg.2023.102974
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    References listed on IDEAS

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    1. Markus Reisinger & Emanuele Tarantino, 2015. "Vertical integration, foreclosure, and productive efficiency," RAND Journal of Economics, RAND Corporation, vol. 46(3), pages 461-479, September.
    2. Dennis W. Carlton & Michael Waldman, 2002. "The Strategic Use of Tying to Preserve and Create Market Power in Evolving Industries," RAND Journal of Economics, The RAND Corporation, vol. 33(2), pages 194-220, Summer.
    3. Jay Pil Choi & Doh-Shin Jeon, 2021. "A Leverage Theory of Tying in Two-Sided Markets with Nonnegative Price Constraints," American Economic Journal: Microeconomics, American Economic Association, vol. 13(1), pages 283-337, February.
    4. Rey, Patrick & Tirole, Jean, 2007. "A Primer on Foreclosure," Handbook of Industrial Organization, in: Mark Armstrong & Robert Porter (ed.), Handbook of Industrial Organization, edition 1, volume 3, chapter 33, pages 2145-2220, Elsevier.
    5. Oliver Hart & Jean Tirole, 1990. "Vertical Integration and Market Foreclosure," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 21(1990 Micr), pages 205-286.
    6. Chiara Fumagalli & Massimo Motta, 2020. "Dynamic Vertical Foreclosure," Journal of Law and Economics, University of Chicago Press, vol. 63(4), pages 763-812.
    7. Fumagalli,Chiara & Motta,Massimo & Calcagno,Claudio, 2018. "Exclusionary Practices," Cambridge Books, Cambridge University Press, number 9781107017382, October.
    8. Rey, Patrick & Jullien, Bruno & Saavedra, Claudia, 2014. "The Economics of Margin Squeeze," CEPR Discussion Papers 9905, C.E.P.R. Discussion Papers.
    9. John Asker & Heski Bar-Isaac, 2014. "Raising Retailers' Profits: On Vertical Practices and the Exclusion of Rivals," American Economic Review, American Economic Association, vol. 104(2), pages 672-686, February.
    10. John Vickers, 2005. "Abuse of Market Power," Economic Journal, Royal Economic Society, vol. 115(504), pages 244-261, June.
    11. Ordover, Janusz A & Saloner, Garth & Salop, Steven C, 1990. "Equilibrium Vertical Foreclosure," American Economic Review, American Economic Association, vol. 80(1), pages 127-142, March.
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    Cited by:

    1. Gambato, Jacopo & Sandrini, Luca, 2024. "Not as good as it used to be: Do streaming platforms penalize quality?," ZEW Discussion Papers 24-045, ZEW - Leibniz Centre for European Economic Research.
    2. Chiara Fumagalli & Massimo Motta, 2024. "Economic Principles for the Enforcement of Abuse of Dominance Provisions," Working Papers 1431, Barcelona School of Economics.

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    More about this item

    Keywords

    Self-preferencing; Abuse of dominance; Monopolization; Exclusionary practices; Digital platforms; Two-sided markets; Vertical foreclosure;
    All these keywords.

    JEL classification:

    • D40 - Microeconomics - - Market Structure, Pricing, and Design - - - General
    • K21 - Law and Economics - - Regulation and Business Law - - - Antitrust Law
    • L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
    • L40 - Industrial Organization - - Antitrust Issues and Policies - - - General

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