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Mixed Oligopoly and Productivity-Improving Mergers


  • Yasuhiko Nakamura

    () (Graduate School of Economics, Waseda University)

  • Tomohiro Inoue

    () (Graduate School of Economics, Waseda University)


This paper investigates productivity improving merger activities between a public firm and a private firm in mixed oligopoly. We assume that the merged firm has two plants (formerly, firms). We show that both owners of a public firm and a private firm want to merge by coordinating their shareholding ratios in the merged firm, whenever the number of private firms is larger than a critical value, while the public firm does not want to merge without the effect of improving the productivity of the merged firm.

Suggested Citation

  • Yasuhiko Nakamura & Tomohiro Inoue, 2007. "Mixed Oligopoly and Productivity-Improving Mergers," Economics Bulletin, AccessEcon, vol. 12(20), pages 1-9.
  • Handle: RePEc:ebl:ecbull:eb-07l20004

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    References listed on IDEAS

    1. Stephen W. Salant & Sheldon Switzer & Robert J. Reynolds, 1983. "Losses From Horizontal Merger: The Effects of an Exogenous Change in Industry Structure on Cournot-Nash Equilibrium," The Quarterly Journal of Economics, Oxford University Press, vol. 98(2), pages 185-199.
    2. Juan Carlos Bárcena-Ruiz & María Begoña Garzón, 2003. "Mixed Duopoly, Merger and Multiproduct Firms," Journal of Economics, Springer, vol. 80(1), pages 27-42, August.
    3. Matsumura, Toshihiro, 1998. "Partial privatization in mixed duopoly," Journal of Public Economics, Elsevier, vol. 70(3), pages 473-483, December.
    4. McAfee, R Preston & Williams, Michael A, 1992. "Horizontal Mergers and Antitrust Policy," Journal of Industrial Economics, Wiley Blackwell, vol. 40(2), pages 181-187, June.
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    Cited by:

    1. Heywood, John S. & McGinty, Matthew, 2011. "Cross-border mergers in a mixed oligopoly," Economic Modelling, Elsevier, vol. 28(1-2), pages 382-389, January.
    2. Kai Andree, 2013. "A note on merger in mixed duopoly: Bertrand versus Cournot," Journal of Economics, Springer, vol. 108(3), pages 291-298, April.
    3. Kadohognon Sylvain Ouattara, 2015. "Incentives to merge in asymmetric mixed oligopoly," Economics Bulletin, AccessEcon, vol. 35(2), pages 885-895.
    4. Gelves, J. Alejandro & Heywood, John S., 2013. "Privatizing by merger: The case of an inefficient public leader," International Review of Economics & Finance, Elsevier, vol. 27(C), pages 69-79.

    More about this item


    mixed oligopoly;

    JEL classification:

    • L2 - Industrial Organization - - Firm Objectives, Organization, and Behavior
    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance


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