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Horizontal Mergers with Scale Economies

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  • D. Dragone
  • L. Lambertini
  • A. Mantovani

Abstract

We examine the profitability and social efficiency of horizontal mergers in a Cournot oligopoly with decreasing average costs. Assuming the merger allows for a reduction in the total amount of fixed costs, we identify the conditions under which the merger is, respectively, profitable and socially desirable. There exists an admissible parameter range wherein the merger is socially convenient but not profitable. In such a case, the policy maker may induce firms to merge through subsidies financed via a lump sum tax.

Suggested Citation

  • D. Dragone & L. Lambertini & A. Mantovani, 2006. "Horizontal Mergers with Scale Economies," Working Papers 571, Dipartimento Scienze Economiche, Universita' di Bologna.
  • Handle: RePEc:bol:bodewp:571
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    References listed on IDEAS

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    1. Farrell, Joseph & Shapiro, Carl, 1990. "Horizontal Mergers: An Equilibrium Analysis," American Economic Review, American Economic Association, vol. 80(1), pages 107-126, March.
    2. Joseph Farrell and Carl Shapiro., 2000. "Scale Economies and Synergies in Horizontal Merger Analysis," Economics Working Papers E00-291, University of California at Berkeley.
    3. Perry, Martin K & Porter, Robert H, 1985. "Oligopoly and the Incentive for Horizontal Merger," American Economic Review, American Economic Association, vol. 75(1), pages 219-227, March.
    4. David Hennessy, 2000. "Cournot Oligopoly Conditions under which Any Horizontal Merger Is Profitable," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 17(3), pages 277-284, November.
    5. 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.
    6. 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.
    7. Raymond Deneckere & Carl Davidson, 1985. "Incentives to Form Coalitions with Bertrand Competition," RAND Journal of Economics, The RAND Corporation, vol. 16(4), pages 473-486, Winter.
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    Cited by:

    1. Budzinski, Oliver & Kretschmer, Jürgen-Peter, 2015. "Unprofitable horizontal mergers, external effects, and welfare," Ilmenau Economics Discussion Papers 96, Ilmenau University of Technology, Institute of Economics.
    2. Oliver Budzinski & Jürgen-Peter Kretschmer, 2007. "Implications of Unprofitable Horizontal Mergers: A Re-Interpretation of the Farrell-Shapiro-Framework," Marburg Working Papers on Economics 200714, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
    3. Oliver Budzinski & Jürgen-Peter Kretschmer, 2009. "Implications of Unprofitable Horizontal Mergers: A Positive External Effect does not Suffice to Clear a Merger!," Working Papers 84/09, University of Southern Denmark, Department of Sociology, Environmental and Business Economics.

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