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SEO Risk Dynamics

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  • Murray Carlson
  • Adlai Fisher
  • Ron Giammarino

Abstract

We theoretically and empirically investigate firm-level risk dynamics around seasoned equity offerings (SEOs). Empirically, beta increases before SEOs and decreases gradually thereafter. Using real options theory, commitment-to-invest generates a gradual post-issuance beta decline whereas instantaneous investment and time-to-build do not. In a behavioral theory, systematic mispricing can cause increasing pre-issuance and decreasing post-issuance risk but idiosyncratic mispricing cannot. In the empirical cross-section, investment, own-firm runup, SEO proceeds, and primary issuance--associated with the real options theory--predict beta declines. Sentiment proxies have weaker effects in the full sample, but are significant in a post-1996 subsample. SEOs coincide with low firm- and market-volatility, suggesting volatility-timing in corporate decisions. The Author 2010. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org., Oxford University Press.

Suggested Citation

  • Murray Carlson & Adlai Fisher & Ron Giammarino, 2010. "SEO Risk Dynamics," The Review of Financial Studies, Society for Financial Studies, vol. 23(11), pages 4026-4077, November.
    • Handle: RePEc:oup:rfinst:v:23:y:2010:i:11:p:4026-4077
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    File URL: http://hdl.handle.net/10.1093/rfs/hhq083
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