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Is the Event Study Methodology Useful for Merger Analysis? A Comparison of Stock Market and Accounting Data

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  • Duso, Tomaso
  • Gugler, Klaus
  • Yurtoglu, Burcin B.

Abstract

Using a sample of 167 mergers during the period 1990-2002 involving 544 firms either as merging firms or competitors, we contrast a measure of the merger’s profitability based on event studies with one based on accounting data. We find positive and significant correlations between them when using a long window around the announcement date and, for rivals, in case of anticompetitive mergers.

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Bibliographic Info

Paper provided by Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich in its series Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems with number 163.

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Date of creation: Sep 2006
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Handle: RePEc:trf:wpaper:163

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Keywords: Mergers; Merger Control; Event Studies; Ex-post Evaluation;

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References

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  1. 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.
  2. Malatesta, Paul H., 1983. "The wealth effect of merger activity and the objective functions of merging firms," Journal of Financial Economics, Elsevier, vol. 11(1-4), pages 155-181, April.
  3. Aboody, David & Kasznik, Ron & Williams, Michael, 2000. "Purchase versus pooling in stock-for-stock acquisitions: Why do firms care?," Journal of Accounting and Economics, Elsevier, vol. 29(3), pages 261-286, June.
  4. Eugene F. Fama, . "Market Efficiency, Long-term Returns, and Behavioral Finance," CRSP working papers 340, Center for Research in Security Prices, Graduate School of Business, University of Chicago.
  5. 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.
  6. Healy, Paul M. & Palepu, Krishna G. & Ruback, Richard S., 1992. "Does corporate performance improve after mergers?," Journal of Financial Economics, Elsevier, vol. 31(2), pages 135-175, April.
  7. Klaus Gugler & Dennis C. Mueller & B. Burcin Yurtoglu & Christine Zulehner, 2001. "The Effects of Mergers: An International Comparison," CIG Working Papers FS IV 01-21, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG).
  8. Robert J. Shiller, 2003. "From Efficient Markets Theory to Behavioral Finance," Journal of Economic Perspectives, American Economic Association, vol. 17(1), pages 83-104, Winter.
  9. Steven Kaplan & Michael S. Weisbach, 1990. "The Success of Acquisitions: Evidence From Disvestitures," NBER Working Papers 3484, National Bureau of Economic Research, Inc.
  10. 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.
  11. Dennis C. Mueller & B. Burcin Yurtoglu, 2007. "Corporate governance and the returns to acquiring firms' shareholders: an international comparison," Managerial and Decision Economics, John Wiley & Sons, Ltd., vol. 28(8), pages 879-896.
  12. G. William Schwert, 1994. "Mark-Up Pricing in Mergers and Acquisitions," NBER Working Papers 4863, National Bureau of Economic Research, Inc.
  13. Marc Goergen & Luc Renneboog, 2004. "Shareholder Wealth Effects of European Domestic and Cross-border Takeover Bids," European Financial Management, European Financial Management Association, vol. 10(1), pages 9-45.
  14. Bengt Holmstrom & Steven N. Kaplan, 2001. "Corporate Governance and Merger Activity in the United States: Making Sense of the 1980s and 1990s," Journal of Economic Perspectives, American Economic Association, vol. 15(2), pages 121-144, Spring.
  15. Gregor Andrade & Mark Mitchell & Erik Stafford, 2001. "New Evidence and Perspectives on Mergers," Journal of Economic Perspectives, American Economic Association, vol. 15(2), pages 103-120, Spring.
  16. Kasznik, Ron & Aboody, David & Williams, Michael, 2000. "Purchase versus Pooling in Stock-for-Stock Acquisitions: Why Do Firms Care?," Research Papers 1614, Stanford University, Graduate School of Business.
  17. Eckbo, B. Espen, 1983. "Horizontal mergers, collusion, and stockholder wealth," Journal of Financial Economics, Elsevier, vol. 11(1-4), pages 241-273, April.
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Citations

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Cited by:
  1. John J. García & Francesc Trillas, 2012. "Regulatory Reform and Corporate Control in European Energy Industries," DOCUMENTOS DE TRABAJO CIEF 010664, UNIVERSIDAD EAFIT.
  2. Tomaso Duso & Klaus Gugler & Florian Szücs, 2010. "An Empirical Assessment of the 2004 EU Merger Policy Reform," CIG Working Papers SP II 2010-16, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG).
  3. Stiebale, Joel & Haucap, Justus, 2013. "How Mergers A ffect Innovation: Theory and Evidence," Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 79831, Verein für Socialpolitik / German Economic Association.
  4. Warell, Linda, 2007. "A horizontal merger in the iron ore industry: An event study approach," Resources Policy, Elsevier, vol. 32(4), pages 191-204, December.
  5. Clougherty, Joseph A. & Duso, Tomaso, 2011. "Using rival effects to identify synergies and improve merger typologies," DICE Discussion Papers 25, Heinrich‐Heine‐Universität Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
  6. John J. García & Francesc Trillas, 2011. "Control corporativo y riqueza de los accionistas en el sector eléctrico europeo (2000-2007)," DOCUMENTOS DE TRABAJO CIEF 010660, UNIVERSIDAD EAFIT.
  7. John J. García & Francesc Trillas, 2013. "European energy industry shocks, corporate control and firms' value," DOCUMENTOS DE TRABAJO CIEF 010928, UNIVERSIDAD EAFIT.
  8. Kamerbeek, S.P., 2009. "Merger Performance and Efficiencies in Horizontal Merger Policy in the US and the EU," MPRA Paper 18064, University Library of Munich, Germany.
  9. Oliver Budzinski, 2011. "Impact Evaluation of Merger Decisions," Working Papers 112/11, University of Southern Denmark, Department of Environmental and Business Economics.
  10. Budzinski, Oliver, 2012. "Empirische Ex-Post Evaluation von wettbewerbspolitischen Entscheidungen: Methodische Anmerkungen," Ilmenau Economics Discussion Papers 69, Ilmenau University of Technology, Institute of Economics.
  11. Budzinski, Oliver, 2012. "Impact evaluation of merger control decisions," Ilmenau Economics Discussion Papers 75, Ilmenau University of Technology, Institute of Economics.

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