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The Value of Incumbency When Platforms Face Heterogeneous Customers

Author

Listed:
  • Gary Biglaiser

    (UNC - University of North Carolina [Chapel Hill] - UNC - University of North Carolina System)

  • Jacques Crémer

    (TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

Abstract

We study competition for the market in a dynamic model with network externalities, focusing on the efficiency of market outcomes. We propose a representation of the strategic advantages of incumbency and embed it in a dynamic framework with heterogeneous consumers. Then, we completely identify the conditions under which inefficient equilibria with several platforms emerge at equilibrium; explore the reasons why these inefficient equilibria arise; and compute the value of incumbency and analyze why static models generally exaggerate it.

Suggested Citation

  • Gary Biglaiser & Jacques Crémer, 2020. "The Value of Incumbency When Platforms Face Heterogeneous Customers," Post-Print hal-03049041, HAL.
    • Handle: RePEc:hal:journl:hal-03049041
    DOI: 10.1257/mic.20180225
    Note: View the original document on HAL open archive server: https://hal.science/hal-03049041
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    References listed on IDEAS

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    Cited by:

    1. Bruno Jullien & Alessandro Pavan & Marc Rysman, 2021. "Two-sided markets, pricing, and network effects," Post-Print hal-03828345, HAL.
    2. Jullien, Bruno & Sand-Zantman, Wilfried, 2021. "The Economics of Platforms: A Theory Guide for Competition Policy," Information Economics and Policy, Elsevier, vol. 54(C).
    3. Gary Biglaiser & Jacques Crémer & André Veiga, 2022. "Should I stay or should I go? Migrating away from an incumbent platform," RAND Journal of Economics, RAND Corporation, vol. 53(3), pages 453-483, September.
    4. Colin von Negenborn, 2023. "The more the merrier? On the optimality of market size restrictions," Review of Economic Design, Springer;Society for Economic Design, vol. 27(3), pages 603-634, September.

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