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50+ Years of Diversification Announcements

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  • Mehmet E. Akbulut
  • John G. Matsusaka

Abstract

This paper studies announcement returns from 4,764 mergers over 57 years to shed light on several controversies concerning corporate diversification. One prominent view is that diversification destroys value because of agency problems or internal investment distortions, but we find that combined (acquirer plus target) announcement returns are significantly positive for diversifying mergers throughout the period, and no lower than the returns for related mergers. The returns from diversifying acquisitions fell after 1980, and investors rewarded mergers involving financially constrained firms before but not after 1980, consistent with the idea that the value of internal capital markets declined over time. Copyright (c) 2010, The Eastern Finance Association.

Suggested Citation

  • Mehmet E. Akbulut & John G. Matsusaka, 2010. "50+ Years of Diversification Announcements," The Financial Review, Eastern Finance Association, vol. 45(2), pages 231-262, May.
  • Handle: RePEc:bla:finrev:v:45:y:2010:i:2:p:231-262
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    File URL: http://www.blackwell-synergy.com/doi/abs/10.1111/j.1540-6288.2010.00245.x
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    Citations

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    Cited by:

    1. Hoechle, Daniel & Schmid, Markus & Walter, Ingo & Yermack, David, 2012. "How much of the diversification discount can be explained by poor corporate governance?," Journal of Financial Economics, Elsevier, vol. 103(1), pages 41-60.
    2. Hornstein, Abigail S. & Nguyen, Zachary, 2014. "Is more less? Propensity to diversify via M&A and market reactions," International Review of Financial Analysis, Elsevier, vol. 34(C), pages 76-88.
    3. Boyan Jovanovic & Serguey Braguinsky, 2004. "Bidder Discounts and Target Premia in Takeovers," American Economic Review, American Economic Association, vol. 94(1), pages 46-56, March.
    4. Reddy, K. Srinivasa, 2015. "Institutional Laws, and Mergers and Acquisitions in India: A Review/Recommendation," MPRA Paper 63410, University Library of Munich, Germany, revised 2015.
    5. Filson, Darren & Olfati, Saman, 2014. "The impacts of Gramm–Leach–Bliley bank diversification on value and risk," Journal of Banking & Finance, Elsevier, vol. 41(C), pages 209-221.
    6. Frantzeskakis, Kyriakos & Ueda, Masako, 2007. "A Dynamic Equilibrium Model of Firm's Life Cycle and Mergers as Efficient Reallocation," CEPR Discussion Papers 6079, C.E.P.R. Discussion Papers.
    7. Parama Barai & Pitabas Mohanty, 2014. "Role of industry relatedness in performance of Indian acquirers—Long and short run effects," Asia Pacific Journal of Management, Springer, vol. 31(4), pages 1045-1073, December.
    8. Reddy, Kotapati Srinivasa, 2015. "Determinants of Cross-border Mergers and Acquisitions: A Comprehensive Review and Future Direction," MPRA Paper 63969, University Library of Munich, Germany, revised 2015.

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