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Collusion and downstream entry in a vertically integrated industry


  • Éric Avenel

    (University of Rennes 1 - CREM-CNRS, France)

  • Stéphane Caprice

    (Toulouse School of Economics (GREMAQ, INRA))


We analyse the impact of an entry threat at the downstream level on the ability of a pair of vertically integrated incumbents to collude. We present an original model of horizontal product differentiation on the final market and characterize the structures of this market for which an entry threat facilitates collusion between incumbents. While the entry threat leaves collusion and deviation profits unchanged, it lowers profits in punishment periods. Consequently, an entry threat discourages deviations and facilitates collusion, thus benefiting incumbents.

Suggested Citation

  • Éric Avenel & Stéphane Caprice, 2012. "Collusion and downstream entry in a vertically integrated industry," Economics Working Paper Archive (University of Rennes 1 & University of Caen) 201208, Center for Research in Economics and Management (CREM), University of Rennes 1, University of Caen and CNRS.
  • Handle: RePEc:tut:cremwp:201208

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    References listed on IDEAS

    1. Normann, Hans-Theo, 2009. "Vertical integration, raising rivals' costs and upstream collusion," European Economic Review, Elsevier, vol. 53(4), pages 461-480, May.
    2. Eric Avenel & Corinne Barlet, 2000. "Vertical Foreclosure, Technological Choice, and Entry on the Intermediate Market," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 9(3), pages 211-230, June.
    3. Chen, Yongmin, 2001. "On Vertical Mergers and Their Competitive Effects," RAND Journal of Economics, The RAND Corporation, vol. 32(4), pages 667-685, Winter.
    4. Maskin, Eric & Tirole, Jean, 1988. "A Theory of Dynamic Oligopoly, II: Price Competition, Kinked Demand Curves, and Edgeworth Cycles," Econometrica, Econometric Society, vol. 56(3), pages 571-599, May.
    5. Ordover, Janusz A & Saloner, Garth & Salop, Steven C, 1990. "Equilibrium Vertical Foreclosure," American Economic Review, American Economic Association, vol. 80(1), pages 127-142, March.
    6. Volker Nocke & Lucy White, 2007. "Do Vertical Mergers Facilitate Upstream Collusion?," American Economic Review, American Economic Association, vol. 97(4), pages 1321-1339, September.
    7. Avenel, Eric, 2003. "Strategic vertical integration without foreclosure," Royal Economic Society Annual Conference 2003 11, Royal Economic Society.
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    Cited by:

    1. Avenel, Eric & Caprice, Stéphane, 2015. "Collusion et possibilité d’entrée en aval dans une industrie verticalement intégrée," TSE Working Papers 15-613, Toulouse School of Economics (TSE).

    More about this item


    collusion; foreclosure; entry; vertical integration;

    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
    • L23 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Organization of Production
    • L40 - Industrial Organization - - Antitrust Issues and Policies - - - General

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