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Dynamic Competition with Network Externalities: Why History Matters

Author

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  • Halaburda, Hanna
  • Jullien, Bruno
  • Yehezkel, Yaron

Abstract

We consider dynamic competition among platforms in a market with network exter- nalities. A platform that dominated the market in the previous period becomes \focal" in the current period, in that agents play the equilibrium in which they adopt the focal platform whenever such equilibrium exists. Yet when faced with higher-quality competition, can a low-quality platform remain focal? In the finite-horizon case, the unique equilibrium is efficient for \patient" platforms; with an infinite time horizon, however, there are multiple equilibria where either the lowor high-quality platform dominates. If qualities are stochastic, the platform with a better average quality wins with a higher probability, even when its realized quality is lower, and this probability increases as platforms become more patient. Hence social welfare may decline as platforms become more forward looking.

Suggested Citation

  • Halaburda, Hanna & Jullien, Bruno & Yehezkel, Yaron, 2016. "Dynamic Competition with Network Externalities: Why History Matters," TSE Working Papers 16-636, Toulouse School of Economics (TSE).
  • Handle: RePEc:tse:wpaper:30384
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    References listed on IDEAS

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    1. Rossella Argenziano & Itzhak Gilboa, 2012. "History as a coordination device," Theory and Decision, Springer, vol. 73(4), pages 501-512, October.
    2. Toker Doganoglu, 2003. "Dynamic Price Competition with Consumption Externalities," Netnomics, Springer, vol. 5(1), pages 43-69, May.
    3. David Besanko & Ulrich Doraszelski & Yaroslav Kryukov, 2014. "The Economics of Predation: What Drives Pricing When There Is Learning-by-Doing?," American Economic Review, American Economic Association, vol. 104(3), pages 868-897, March.
    4. Matthew Mitchell & Andrzej Skrzypacz, 2006. "Network externalities and long-run market shares," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 29(3), pages 621-648, November.
    5. Biglaiser, Gary & Crémer, Jacques, 2016. "The value of incumbency in heterogeneous platforms," CEPR Discussion Papers 11207, C.E.P.R. Discussion Papers.
    6. Hanna Halaburda & Yaron Yehezkel, 2013. "Platform Competition under Asymmetric Information," American Economic Journal: Microeconomics, American Economic Association, vol. 5(3), pages 22-68, August.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Gary Biglaiser & Jacques Crémer, 2016. "The Value of Incumbency in Heterogeneous Platforms," CESifo Working Paper Series 5829, CESifo Group Munich.
    2. David Besanko & Ulrich Doraszelski & Yaroslav Kryukov, 2017. "How Efficient is Dynamic Competition? The Case of Price as Investment," NBER Working Papers 23829, National Bureau of Economic Research, Inc.
    3. Biglaiser, Gary & Crémer, Jacques, 2016. "The value of incumbency in heterogeneous platforms," CEPR Discussion Papers 11207, C.E.P.R. Discussion Papers.
    4. Biglaiser, Gary & Crémer, Jacques, 2016. "The value of incumbency for heterogeneous platforms," TSE Working Papers 16-630, Toulouse School of Economics (TSE), revised Nov 2016.
    5. Prüfer, Jens & Schottmuller, C., 2017. "Competing with Big Data," Discussion Paper 2017-006, Tilburg University, Tilburg Law and Economic Center.
    6. Neil Gandal & Hanna Halaburda, 2016. "Can We Predict the Winner in a Market with Network Effects? Competition in Cryptocurrency Market," Games, MDPI, Open Access Journal, vol. 7(3), pages 1-21, July.
    7. Gaston Llanes & Andrea Mantovani & Francisco Ruiz-Aliseda, 2016. "Entry into complementary good markets with network effects," Working Papers 16-12, NET Institute.

    More about this item

    Keywords

    network externalities; dynamic competition; coordination;

    JEL classification:

    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance

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