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Asymmetric Collusion and Merger Policy

  • Ganslandt, Mattias

    ()

    (Research Institute of Industrial Economics (IFN))

  • Persson, Lars

    ()

    (Research Institute of Industrial Economics (IFN))

  • Vasconcelos, Helder

    (IGIER, Università Bocconi)

In their merger control, EU and the US have considered symmetric size distribution (cost structure) of firms to be a factor potentially leading to collusion. We show that forbidding mergers leading to symmetric market structures can induce mergers leading to asymmetric market structures with higher risk of collusion, when firms face indivisible costs of collusion. In particular, we show that if the rule determining the collusive outcome has the property that the large (efficient) firm benefits sufficiently more from collusion when industry asymmetries increase, collusion can become more likely when firms are moderately asymmetric.

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Paper provided by Research Institute of Industrial Economics in its series Working Paper Series with number 719.

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Length: 31 pages
Date of creation: 27 Sep 2007
Date of revision:
Handle: RePEc:hhs:iuiwop:0719
Contact details of provider: Postal: Research Institute of Industrial Economics, Box 55665, SE-102 15 Stockholm, Sweden
Phone: +46 8 665 4500
Fax: +46 8 665 4599
Web page: http://www.ifn.se/
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  1. Friedman, James W, 1971. "A Non-cooperative Equilibrium for Supergames," Review of Economic Studies, Wiley Blackwell, vol. 38(113), pages 1-12, January.
  2. Horn, Henrik & Persson, Lars, 1996. "Endogenous Mergers in Concentrated Markets," CEPR Discussion Papers 1544, C.E.P.R. Discussion Papers.
  3. Compte, Olivier & Jenny, Frederic & Rey, Patrick, 2002. "Capacity constraints, mergers and collusion," European Economic Review, Elsevier, vol. 46(1), pages 1-29, January.
  4. Lommerud, Kjell Erik & Straume, Odd Rune & Sørgard, Lars, 2003. "National versus international mergers in unionised oligopoly," Working Papers in Economics 12/03, University of Bergen, Department of Economics.
  5. Nirvikar Singh & Xavier Vives, 1984. "Price and Quantity Competition in a Differentiated Duopoly," RAND Journal of Economics, The RAND Corporation, vol. 15(4), pages 546-554, Winter.
  6. Horn, Henrik & Persson, Lars, 1999. "The Equilibrium Ownership of an International Oligopoly," Working Paper Series 515, Research Institute of Industrial Economics.
  7. Harrington, Joseph E., 2006. "How Do Cartels Operate?," Foundations and Trends(R) in Microeconomics, now publishers, vol. 2(1), pages 1-105, August.
  8. Norbäck, Pehr-Johan & Persson, Lars, 2008. "Entrepreneurial Innovations, Competition and Competition Policy," CEPR Discussion Papers 6823, C.E.P.R. Discussion Papers.
  9. Rothschild, R., 1999. "Cartel stability when costs are heterogeneous," International Journal of Industrial Organization, Elsevier, vol. 17(5), pages 717-734, July.
  10. Joseph E. Harrington, Jr, 2006. "How Do Cartels Operate?," Economics Working Paper Archive 531, The Johns Hopkins University,Department of Economics.
  11. repec:cup:cbooks:9780521016919 is not listed on IDEAS
  12. Helder Vasconcelos, 2005. "Tacit Collusion, Cost Asymmetries, and Mergers," RAND Journal of Economics, The RAND Corporation, vol. 36(1), pages 39-62, Spring.
  13. repec:cup:cbooks:9780521816632 is not listed on IDEAS
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