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Competition in successive markets : entry and mergers

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  • GABSZEWICZ, Jean J.
  • ZANAJ, Skerdilajda

Abstract

This paper analyses successive markets where the intra-market linkage depends on the technology used to produce the final output. We investigate entry of new firms, when entry obtains by expanding the economy, as well as collusive agreements between firms. We highlight the differentiated effects of entry corresponding to a constant or decreasing returns technology. In particular, we show that, under decreasing returns, free entry in both markets does not entail the usual tendency for the input price to adjust to its marginal cost while it does under constant returns. Then, we analyse collusive agreements by stressing the role of upstream linkage on the profitability of horizontal mergers A la Salant, Switzer and Reynolds.

Suggested Citation

  • GABSZEWICZ, Jean J. & ZANAJ, Skerdilajda, 2006. "Competition in successive markets : entry and mergers," LIDAM Discussion Papers CORE 2006097, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    • Handle: RePEc:cor:louvco:2006097
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    References listed on IDEAS

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    2. Perry, Martin K., 1989. "Vertical integration: Determinants and effects," Handbook of Industrial Organization, in: R. Schmalensee & R. Willig (ed.), Handbook of Industrial Organization, edition 1, volume 1, chapter 4, pages 183-255, Elsevier.
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    10. Seade, J., 1985. "Profitable Cost Increases and the Shifting of Taxation: Equilibrium Responses of Markets in Oligopoly," Economic Research Papers 269225, University of Warwick - Department of Economics.
    11. Géarard Gaudet & Ngo Van Long, 1996. "Vertical Integration, Foreclosure, and profits in the Presence of Double Marginalization," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 5(3), pages 409-432, September.
    12. 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.
    13. Claude d'Aspremont & Alexis Jacquemin & Jean Jaskold Gabszewicz & John A. Weymark, 1983. "On the Stability of Collusive Price Leadership," Canadian Journal of Economics, Canadian Economics Association, vol. 16(1), pages 17-25, February.
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    16. Seade, J, 1985. "Profitable Cost Increases and the Shifting of Taxation : Equilibrium Response of Markets in Oligopoly," The Warwick Economics Research Paper Series (TWERPS) 260, University of Warwick, Department of Economics.
    17. Jean J. Gabszewicz & Skerdilajda Zanaj, 2011. "Free entry in successive oligopolies," International Journal of Economic Theory, The International Society for Economic Theory, vol. 7(2), pages 179-188, June.
    18. Joseph J. Spengler, 1950. "Vertical Integration and Antitrust Policy," Journal of Political Economy, University of Chicago Press, vol. 58(4), pages 347-347.
    19. Manfred Neumann & Uli Fell & Richard Reichel*, 2005. "Successive Oligopolies, Vertical Downstream Integration and Foreclosure," Journal of Industry, Competition and Trade, Springer, vol. 5(1), pages 59-77, January.
    20. Ivan Dufeu, 2004. "Market size and vertical equilibrium in the context of successive Cournot oligopolies," Post-Print halshs-00068322, HAL.
    21. Buehler Stefan & Schmutzler Armin, 2005. "Asymmetric Vertical Integration," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 5(1), pages 1-27, January.
    22. Ivan Dufeu, 2004. "Market Size and Vertical Equilibrium in the Context of Successive Cournot Oligopolies [Taille du marché et équilibre vertical dans un contexte d'oligopoles successifs de Cournot]," Post-Print hal-02816481, HAL.
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    Cited by:

    1. Jean Gabszewicz & Didier Laussel & Tanguy Ypersele & Skerdilajda Zanaj, 2013. "Market Games in Successive Oligopolies," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 15(3), pages 397-410, June.
    2. SANIN, Maria Eugenia & ZANAJ, Skerdilajda, 2007. "Environmental innovation under Cournot competition," LIDAM Discussion Papers CORE 2007050, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    3. GABSZEWICZ, Jean J. & ZANAJ, Skerdilajda, 2007. "A note on successive oligopolies and vertical mergers," LIDAM Reprints CORE 2009, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    4. Jebaraj Asirvatham & Sanjib Bhuyan, 2018. "Incentives and Impacts of Vertical Coordination in a Food Production-Marketing Chain: A Non-cooperative Multi-Stage, Multi-Player Analysis," Journal of Industry, Competition and Trade, Springer, vol. 18(1), pages 59-95, March.

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    More about this item

    Keywords

    oligopoly; entry; horizontal collusion; foreclosure;
    All these keywords.

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
    • L22 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Organization and Market Structure
    • L42 - Industrial Organization - - Antitrust Issues and Policies - - - Vertical Restraints; Resale Price Maintenance; Quantity Discounts

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