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Time to rethink merger policy?


  • Gual, Jordi

    () (IESE Business School)


This paper provides a critical analysis of some of the key features of merger policy as understood and practiced in leading jurisdictions such as the European Community and the United States. It focuses first on a discussion of the gradual move of merger policy towards the examination of unilateral effects. The critical appraisal of this process is based on the practical and theoretical shortcomings of the economic models that underlie the growing prominence of unilateral effects as the key anticompetitive factor arising from a proposed merger. The paper stresses that even if unilateral effects were to lead to an increase in the conventional measures of anticompetitive performance (such as markups), it is not clear that this implies less competitive behavior for many of the most relevant industries in today's advanced economies. Finally, the paper also examines the relationship between competition and welfare, and argues that even if competition does indeed diminish due to a merger, it does not necessarily follow that this is not good in terms of economic welfare, when we take fully into consideration the incentives to innovate and the dynamic welfare gains that arise from new products and production processes.

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  • Gual, Jordi, 2007. "Time to rethink merger policy?," IESE Research Papers D/694, IESE Business School.
  • Handle: RePEc:ebg:iesewp:d-0694

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    References listed on IDEAS

    1. Womack, Kent L, 1996. " Do Brokerage Analysts' Recommendations Have Investment Value?," Journal of Finance, American Finance Association, vol. 51(1), pages 137-167, March.
    2. Kane, Edward J, 2000. "Incentives for Banking Megamergers: What Motives Might Regulators Infer from Event-Study Evidence?," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 32(3), pages 671-701, August.
    3. Daniel Pérez & Vicente Salas-Fumás & Jesús Saurina, 2005. "Banking integration in Europe," Working Papers 0519, Banco de España;Working Papers Homepage.
    4. Franklin Allen & Laura Bartiloro & Oskar Kowalewski, 2006. "The Financial System of the EU-25," Chapters,in: Financial Development, Integration and Stability, chapter 7 Edward Elgar Publishing.
    5. Armen Hovakimian & Edward Kane & Luc Laeven, 2003. "How Country and Safety-Net Characteristics Affect Bank Risk-Shifting," Journal of Financial Services Research, Springer;Western Finance Association, vol. 23(3), pages 177-204, June.
    6. Stillman, Robert, 1983. "Examining antitrust policy towards horizontal mergers," Journal of Financial Economics, Elsevier, vol. 11(1-4), pages 225-240, April.
    7. Philipp Hartmann & Angela Maddaloni & Simone Manganelli, 2003. "The Euro-area Financial System: Structure, Integration, and Policy Initiatives," Oxford Review of Economic Policy, Oxford University Press, vol. 19(1), pages 180-213.
    8. Gual, Jordi, 2004. "The Integration of EU Banking Markets," CEPR Discussion Papers 4212, C.E.P.R. Discussion Papers.
    9. John D. Lyon & Brad M. Barber & Chih-Ling Tsai, 1999. "Improved Methods for Tests of Long-Run Abnormal Stock Returns," Journal of Finance, American Finance Association, vol. 54(1), pages 165-201, February.
    10. Inês Cabral & Frank Dierick & Jukka Vesala, 2002. "Banking integration in the euro area," Occasional Paper Series 06, European Central Bank.
    11. Caves, Richard E., 1989. "Mergers, takeovers, and economic efficiency : Foresight vs. hindsight," International Journal of Industrial Organization, Elsevier, vol. 7(1), pages 151-174, March.
    12. Johan Stennek, 2006. "A new perspective on mergers and acquisitions: Evidence explained, policies prescribed," CESifo Forum, Ifo Institute - Leibniz Institute for Economic Research at the University of Munich, vol. 7(1), pages 3-8, April.
    13. Christopher J. Malloy, 2005. "The Geography of Equity Analysis," Journal of Finance, American Finance Association, vol. 60(2), pages 719-755, April.
    14. Bae, Kee-Hong & Stulz, René M. & Tan, Hongping, 2008. "Do local analysts know more? A cross-country study of the performance of local analysts and foreign analysts," Journal of Financial Economics, Elsevier, vol. 88(3), pages 581-606, June.
    15. Brad Barber, 2001. "Can Investors Profit from the Prophets? Security Analyst Recommendations and Stock Returns," Journal of Finance, American Finance Association, vol. 56(2), pages 531-563, April.
    16. J.A. Bikker & A.A.T. Wesseling, 2003. "Intermediation, integration and internationalisation: a survey on banking in Europe," Research Series Supervision (discontinued) 53, Netherlands Central Bank, Directorate Supervision.
    17. Campa, José Manuel & Hernando, Ignacio, 2004. "Shareholder Value Creation in European M&As," CEPR Discussion Papers 4400, C.E.P.R. Discussion Papers.
    18. Singal, Vijay, 1996. "Airline Mergers and Competition: An Integration of Stock and Product Price Effects," The Journal of Business, University of Chicago Press, vol. 69(2), pages 233-268, April.
    19. Houston, Joel F. & Ryngaert, Michael D., 1994. "The overall gains from large bank mergers," Journal of Banking & Finance, Elsevier, vol. 18(6), pages 1155-1176, December.
    20. Claessens, Stijn & Demirguc-Kunt, Asl[iota] & Huizinga, Harry, 2001. "How does foreign entry affect domestic banking markets?," Journal of Banking & Finance, Elsevier, vol. 25(5), pages 891-911, May.
    21. Cybo-Ottone, Alberto & Murgia, Maurizio, 2000. "Mergers and shareholder wealth in European banking," Journal of Banking & Finance, Elsevier, vol. 24(6), pages 831-859, June.
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    Mergers; Antitrust; Competition Policy;

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