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Do Investment Banks Matter for M&A Returns?

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  • Jack Bao
  • Alex Edmans

Abstract

We document a significant investment bank fixed effect in the announcement returns of M&A deals. The interquartile range of bank fixed effects is 1.26%, compared with a full-sample average return of 0.72%. The results remain significant after controlling for the component of returns attributable to the acquirer. Our findings suggest that investment banks matter for M&A outcomes, and contrast earlier studies that show no positive link between various measures of advisor quality and M&A returns. Differences in average returns across banks are also persistent over time and predictable from prior performance. Clients do not chase past returns, which may explain why persistence exists in M&A performance while it is absent in mutual funds. The Author 2011. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please e-mail: journals.permissions@oup.com., Oxford University Press.

Suggested Citation

  • Jack Bao & Alex Edmans, 2011. "Do Investment Banks Matter for M&A Returns?," The Review of Financial Studies, Society for Financial Studies, vol. 24(7), pages 2286-2315.
  • Handle: RePEc:oup:rfinst:v:24:y:2011:i:7:p:2286-2315
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    File URL: http://hdl.handle.net/10.1093/rfs/hhr014
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