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Diagonal mergers and foreclosure in the internet

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  • Emanuele Giovanetti
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    Abstract

    We study the incentives for a ''diagonal'' merger between two Internet Service Providers, one a wireless retail only ISP in two origination markets, and the second a vertically integrated wired retailer in one market and an upstream provider in the other. The merger’s effects depend on differentiation in access modalities; only with high differentiation does the merger have positive welfare effects. We focus on post-merger foreclosure, which, when it happens, only takes place in the market where the merger is horizontal and not where the merger is vertical. The Network architecture used is meant to capture Internet routing.

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    Bibliographic Info

    Paper provided by University of Rome La Sapienza, Department of Public Economics in its series Working Papers with number 80.

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    Length: 34
    Date of creation: Jun 2005
    Date of revision:
    Handle: RePEc:sap:wpaper:wp80

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    Related research

    Keywords: Mergers; Internet; Foreclosure; Network Industries.;

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    1. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716, December.
    2. Goyal, S. & Joshi, S., 2000. "Networks of Collaboration in Oligopoly," Econometric Institute Research Papers EI 9952-/A, Erasmus University Rotterdam, Erasmus School of Economics (ESE), Econometric Institute.
    3. Giovannetti, Emanuele, 2002. "Interconnection, differentiation and bottlenecks in the Internet," Information Economics and Policy, Elsevier, vol. 14(3), pages 385-404, September.
    4. Laffont, Jean-Jacques & Marcus, Scott & Rey, Patrick & Tirole, Jean, 2001. "Internet Interconnection and the Off-Net-Cost Pricing Principle," IDEI Working Papers 130, Institut d'Économie Industrielle (IDEI), Toulouse.
    5. Sumit Joshi, 2000. "Networks of Collaboration in Oligopoly," Econometric Society World Congress 2000 Contributed Papers 0623, Econometric Society.
    6. Giovannetti, Emanuele & Ristuccia, Cristiano Andrea, 2005. "Estimating market power in the Internet backbone. Using the IP transit Band-X database," Telecommunications Policy, Elsevier, vol. 29(4), pages 269-284, May.
    7. Waverman, Leonard & Reynolds, Clark W., 1990. "Introduction," North American Review of Economics and Finance, Elsevier, vol. 1(2), pages 181-186.
    8. Waterson, Michael, 2003. "Consumers and Competition," The Warwick Economics Research Paper Series (TWERPS) 679, University of Warwick, Department of Economics.
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