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Merger and Product Range Rivalery

  • Lommerud, K.E.
  • Sorgard, L.

The received literature concludes that if scale economies are absent, mergers are often unprofitable under Cornot competition, but always profitable under Bertrand. In a linear demand model with three firms initially, where there are two merger candidates, we show that results will change if we introduce the number of brands as a choice variable.

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Paper provided by Department of Economics, University of Bergen in its series Norway; Department of Economics, University of Bergen with number 165.

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Length: 19 pages
Date of creation: 1997
Date of revision:
Handle: RePEc:fth:bereco:165
Contact details of provider: Postal: Department of Economics, University of Bergen Fosswinckels Gate 6. N-5007 Bergen, Norway
Phone: (+47)55589200
Fax: (+47)55589210
Web page:

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  1. Joseph Farrell and Carl Shapiro., 1988. "Horizontal Mergers: An Equilibrium Analysis," Economics Working Papers 8880, University of California at Berkeley.
  2. Salant, Stephen W & Switzer, Sheldon & Reynolds, Robert J, 1983. "Losses from Horizontal Merger: The Effects of an Exogenous Change in Industry Structure on Cournot-Nash Equilibrium," The Quarterly Journal of Economics, MIT Press, vol. 98(2), pages 185-99, May.
  3. Kamien, Morton I & Zang, Israel, 1990. "The Limits of Monopolization through Acquisition," The Quarterly Journal of Economics, MIT Press, vol. 105(2), pages 465-99, May.
  4. Gilbert, Richard J. & Matutes, Carmen, 1989. "Product Line Rivalry with Brand Differentiation," Department of Economics, Working Paper Series qt1nr3k6nk, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
  5. Daughety, Andrew F, 1990. "Beneficial Concentration," American Economic Review, American Economic Association, vol. 80(5), pages 1231-37, December.
  6. McAfee, R Preston & Williams, Michael A, 1992. "Horizontal Mergers and Antitrust Policy," Journal of Industrial Economics, Wiley Blackwell, vol. 40(2), pages 181-87, June.
  7. Perry, Martin K & Porter, Robert H, 1985. "Oligopoly and the Incentive for Horizontal Merger," American Economic Review, American Economic Association, vol. 75(1), pages 219-27, March.
  8. Spence, Michael, 1976. "Product Selection, Fixed Costs, and Monopolistic Competition," Review of Economic Studies, Wiley Blackwell, vol. 43(2), pages 217-35, June.
  9. Szidarovszky, F. & Yakowitz, S., 1982. "Contributions to Cournot oligopoly theory," Journal of Economic Theory, Elsevier, vol. 28(1), pages 51-70, October.
  10. Dixit, Avinash K & Stiglitz, Joseph E, 1975. "Monopolistic Competition and Optimum Product Diversity," The Warwick Economics Research Paper Series (TWERPS) 64, University of Warwick, Department of Economics.
  11. Barros, Pedro P. & Cabral, Luis, 1994. "Merger policy in open economies," European Economic Review, Elsevier, vol. 38(5), pages 1041-1055, May.
  12. Levin, D., 1988. "Horizontal Mergers: The 50 Percent Bench-Mark," Papers 19, Houston - Department of Economics.
  13. Richard Schmalensee, 1978. "Entry Deterrence in the Ready-to-Eat Breakfast Cereal Industry," Bell Journal of Economics, The RAND Corporation, vol. 9(2), pages 305-327, Autumn.
  14. Bulow, Jeremy I & Geanakoplos, John D & Klemperer, Paul D, 1985. "Multimarket Oligopoly: Strategic Substitutes and Complements," Journal of Political Economy, University of Chicago Press, vol. 93(3), pages 488-511, June.
  15. 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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