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Platform Competition: Who Benefits from Multihoming?

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  • Peitz, Martin
  • Belleflamme, Paul

Abstract

Competition between two-sided platforms is shaped by the possibility of multihoming. If users on both sides singlehome, each platform provides users on either side exclusive access to its users on the other side. In contrast, if users on one side can multihome, platforms exert monopoly power on that side and compete on the singlehoming side. This paper explores the allocative effects of such a change from single- to multihoming. Our results challenge the conventional wisdom, according to which the possibility of multihoming hurts the side that can multihome, while benefiting the other side. This is not always true: the opposite may happen or both sides may benefit.

Suggested Citation

  • Peitz, Martin & Belleflamme, Paul, 2017. "Platform Competition: Who Benefits from Multihoming?," CEPR Discussion Papers 12452, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:12452
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    References listed on IDEAS

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    1. Jean‐Charles Rochet & Jean Tirole, 2006. "Two‐sided markets: a progress report," RAND Journal of Economics, RAND Corporation, vol. 37(3), pages 645-667, September.
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    More about this item

    Keywords

    Network effects; Two-sided markets; Platform competition; Competitive bottleneck; Multihoming;
    All these keywords.

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L86 - Industrial Organization - - Industry Studies: Services - - - Information and Internet Services; Computer Software

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