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Efficiency Gains and Structural Remedies in Merger Control

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Author Info
Vasconcelos, Helder

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Abstract

This paper studies the role of structural remedies in merger control in a Cournot setting where (endogenous) mergers are motivated by prospective efficiency gains and must be submitted to an Antitrust Authority (AA) which might require partial divestiture for approval. Both positive and negative effects of merger remedies are identified. First, structural remedies create new merger opportunities to firms. Second, when divestitures are required, the AA over-fixes, i.e., goes beyond the recreation of the level of competition that existed prior to the transaction. Finally, by insisting in over-fixing, the AA may discourage firms to look for more efficient mergers, inducing a final outcome where consumers' surplus is lower than if divestitures couldn't be required. Overall, however, structural remedies are shown to be good: consumers' surplus ex-ante is higher with than without remedies.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 6093.

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Date of creation: Feb 2007
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Handle: RePEc:cpr:ceprdp:6093

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Related research
Keywords: efficiency gains; endogenous mergers; failing firm defence.; merger remedies;

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Find related papers by JEL classification:
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices
L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation

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  1. Medvedev, A., 2004. "Structural remedies in merger regulation in a Cournot framework," Discussion Paper 006, Tilburg University, Tilburg Law and Economic Center. [Downloadable!]
    Other versions:
  2. Ramon Fauli-Oller, 2000. "Takeover Waves," Journal of Economics & Management Strategy, Blackwell Publishing, vol. 9(3), pages 189-210, 06. [Downloadable!] (restricted)
  3. Horn, Henrik & Persson, Lars, 2001. "Endogenous mergers in concentrated markets," International Journal of Industrial Organization, Elsevier, vol. 19(8), pages 1213-1244, September. [Downloadable!] (restricted)
    Other versions:
  4. Ramon Fauli-Oller, 2000. "Takeover Waves," Journal of Economics & Management Strategy, Blackwell Publishing, vol. 9(2), pages 189-210, 06. [Downloadable!] (restricted)
  5. Petri Lehto & Mihkel M. Tombak, 1997. "Consolidations and the Sequence of Acquisitions to Monopoly," CIG Working Papers FS IV 97-22, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG). [Downloadable!]
  6. 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. [Downloadable!] (restricted)
  7. Joseph Farrell & Carl Shapiro, 2001. "Scale Economies and Synergies in Horizontal Merger Analysis," Industrial Organization 0012002, EconWPA, revised 05 Jan 2001. [Downloadable!]
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  8. Joseph Farrell, 2004. "Negotiation and Merger Remedies: Some Problems," Industrial Organization 0401004, EconWPA. [Downloadable!]
  9. Horn, Henrik & Persson, Lars, 2001. "The equilibrium ownership of an international oligopoly," Journal of International Economics, Elsevier, vol. 53(2), pages 307-333, April. [Downloadable!] (restricted)
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  10. Helder Vasconcelos, 2005. "Tacit Collusion, Cost Asymmetries, and Mergers," RAND Journal of Economics, The RAND Corporation, vol. 36(1), pages 39-62, Spring.
  11. Cabral, Luis M. B., 2003. "Horizontal mergers with free-entry: why cost efficiencies may be a weak defense and asset sales a poor remedy," International Journal of Industrial Organization, Elsevier, vol. 21(5), pages 607-623, May. [Downloadable!] (restricted)
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  12. Farrell, Joseph & Shapiro, Carl, 1990. "Horizontal Mergers: An Equilibrium Analysis," American Economic Review, American Economic Association, vol. 80(1), pages 107-26, March. [Downloadable!] (restricted)
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  13. Compte, Olivier & Jenny, Frederic & Rey, Patrick, 2002. "Capacity constraints, mergers and collusion," European Economic Review, Elsevier, vol. 46(1), pages 1-29, January. [Downloadable!] (restricted)
  14. Motta, Massimo & Vasconcelos, Helder, 2005. "Efficiency gains and myopic antitrust authority in a dynamic merger game," International Journal of Industrial Organization, Elsevier, vol. 23(9-10), pages 777-801, December. [Downloadable!] (restricted)
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  15. 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. [Downloadable!] (restricted)
    Other versions:
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