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Dynamic Price Competition with Network Effects

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  • Luis Cabral

Abstract

I consider a dynamic model of competition between two proprietary networks. Consumers die and are replaced with a constant hazard rate, and firms compete for new consumers to join their network by offering network entry prices. I derive a series of results pertaining to (a) existence and uniqueness of symmetric equilibria, (b) monotonicity of the pricing function (e.g. larger networks set higher prices), (c) network size dynamics (increasing dominance vs. reversion to the mean), and (d) firm value (how it varies with network effects). Finally, I apply my general framework to the study of termination charges in wireless telecommunications. I consider various forms of regulation and examine their impact on firm profits and market share dynamics. Copyright 2011, Oxford University Press.
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Suggested Citation

  • Luis Cabral, 2008. "Dynamic Price Competition with Network Effects," Working Papers 08-4, New York University, Leonard N. Stern School of Business, Department of Economics.
    • Handle: RePEc:ste:nystbu:08-4
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    File URL: http://w4.stern.nyu.edu/economics/docs/workingpapers/2008/networksJan08.pdf
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    References listed on IDEAS

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    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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