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Does Corporate Performance Improve After Mergers?

  • Paul M. Healy
  • Krishna G. Palepu
  • Richard C. Rubak
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    We examine the post-acquisition operating performance of merged firms using a sample of the 50 largest mergers between U.S. public industrial firms completed in the period 1979 to 1983. The results indicate that merged firms have significant improvement in asset productivity relative to their industries after the merger, leading to higher post-merger operating cash flow returns. Sample firms maintain their capital expenditure and R&D rates relative to their industries after the merger, indicating that merged firms do not reduce their long-term investments. There is a strong positive relation between postmerger increases in operating cash flows and abnormal stock returns at merger announcements, indicating that expectations of economic improvements underlie the equity revaluations of the merging firms.

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    Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 3348.

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    Date of creation: May 1990
    Date of revision:
    Publication status: published as JFEC, Vol. 31, no. 2 (1992): 135-176.
    Handle: RePEc:nbr:nberwo:3348
    Note: ME PE
    Contact details of provider: Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.
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    1. Andrei Shleifer & Lawrence H. Summers, 1988. "Breach of Trust in Hostile Takeovers," NBER Chapters, in: Corporate Takeovers: Causes and Consequences, pages 33-68 National Bureau of Economic Research, Inc.
    2. Smith, Abbie J., 1990. "Corporate ownership structure and performance *1: The case of management buyouts," Journal of Financial Economics, Elsevier, vol. 27(1), pages 143-164, September.
    3. Asquith, K Paul & Kim, E Han, 1982. " The Impact of Merger Bids on the Participating Firms' Security Holders," Journal of Finance, American Finance Association, vol. 37(5), pages 1209-28, December.
    4. Bradley, Michael & Desai, Anand & Kim, E. Han, 1988. "Synergistic gains from corporate acquisitions and their division between the stockholders of target and acquiring firms," Journal of Financial Economics, Elsevier, vol. 21(1), pages 3-40, May.
    5. Dodd, Peter & Ruback, Richard, 1977. "Tender offers and stockholder returns : An empirical analysis," Journal of Financial Economics, Elsevier, vol. 5(3), pages 351-373, December.
    6. Bradley, Michael & Desai, Anand & Kim, E. Han, 1983. "The rationale behind interfirm tender offers : Information or synergy?," Journal of Financial Economics, Elsevier, vol. 11(1-4), pages 183-206, April.
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