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Why Mergers Reduce Profits, and Raise Share Prices

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  • Fridolfsson, Sven-Olof

    ()
    (The Research Institute of Industrial Economics)

  • Stennek, Johan

    (The Research Institute of Industrial Economics)

Abstract

We demonstrate a "preemptive merger mechanism" which may explain the empirical puzzle why mergers reduce profits, and raise share prices. A merger may confer strong negative externalilties on the firms outside the merger. If being an "insider" is better than being an "outsider", firms may merge to preempt their partner merging with someone else. Furthermore, the pre-merger value of a merging firm is low, since it reflects the risk of becoming an outsider. These results are derived in a model of endogenous mergers which predicts the conditions under which a merger occurs, when it occurs, and how the surplus is divided.

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Bibliographic Info

Paper provided by Research Institute of Industrial Economics in its series Working Paper Series with number 511.

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Length: 41 pages
Date of creation: 12 Mar 1999
Date of revision: 03 Dec 2001
Handle: RePEc:hhs:iuiwop:0511

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Postal: Research Institute of Industrial Economics, Box 55665, SE-102 15 Stockholm, Sweden
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Keywords: Mergers & acquisitions; definsive merger; coalition formation; antitrust policy;

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Cited by:
  1. Duso, Tomaso & Gugler, Klaus & Yurtoglu, Burcin B., 2006. "EU Merger Remedies: A Preliminary Empirical Assessment," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 81, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
  2. Lars Calmfors & Giancarlo Corsetti & Seppo Honkapohja & Gilles Saint-Paul & Hans-Werner Sinn & John Kay & Jan-Egbert Sturm & Xavier Vives, 2006. "Chapter 5: Mergers and Competition Policy in Europe," EEAG Report on the European Economy, CESifo Group Munich, vol. 0, pages 101-116, 03.
  3. Toxvaerd, Flavio, 2008. "Strategic merger waves: A theory of musical chairs," Journal of Economic Theory, Elsevier, vol. 140(1), pages 1-26, May.
  4. Duso, Thomas & Gugler, Klaus & Yurtoglu, Burcin B., 2011. "How Effective is European Merger Control?," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 354, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
  5. Norbäck, Pehr-Johan & Persson, Lars, 2006. "Investment Lilberalization - Why a Restrictive Cross-Border Merger Policy can be Counterproductive," Working Paper Series 666, Research Institute of Industrial Economics.
  6. Michael Higl & Peter Welzel, 2005. "Intra-firm Coordination and Horizontal Merger," Discussion Paper Series 269, Universitaet Augsburg, Institute for Economics.
  7. Norbäck, Pehr-Johan & Persson, Lars, 2002. "Investment Liberalization - Who Benefits from Cross Border Mergers," CEPR Discussion Papers 3166, C.E.P.R. Discussion Papers.
  8. Gunther Tichy, 2001. "What Do We Know about Success and Failure of Mergers?," Journal of Industry, Competition and Trade, Springer, vol. 1(4), pages 347-394, December.
  9. Berg, Aron & Norbäck, Pehr-Johan & Persson, Lars, 2012. "International Mergers with Financially Constrained Owners," Working Paper Series 927, Research Institute of Industrial Economics.
  10. Norbäck, Pehr-Johan & Persson, Lars, 2001. "Investment Liberalization - Who Benefits from Cross-Border Mergers & Acquisitions?," Working Paper Series 569, Research Institute of Industrial Economics.

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