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What Do Independent Directors Know? Evidence from Their Trading

In: Corporate Governance

  • Enrichetta Ravina
  • Paola Sapienza

We compare the trading performance of independent directors and other officers of the firm. We find that independent directors earn positive and substantial abnormal returns when they purchase their company stock, and that the difference with the same firm's officers is relatively small at most horizons. The results are robust to controlling for firm fixed effects and to using a variety of alternative specifications. Executive officers and independent directors make higher returns in firms with weaker governance and the gap between these two groups widens in such firms. Independent directors who sit in audit committees earn higher return than other independent directors at the same firm. Finally, independent directors earn significantly higher returns than the market when they sell the company stock in a window before bad news and around a restatement announcement.

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This chapter was published in:
  • Michael Weisbach, 2010. "Corporate Governance," NBER Books, National Bureau of Economic Research, Inc, number weis10-1, September.
  • This item is provided by National Bureau of Economic Research, Inc in its series NBER Chapters with number 12187.
    Handle: RePEc:nbr:nberch:12187
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