Both post-repurchase abnormal returns and "reported" improvement in operating performance are driven, at least in part, by pre-repurchase downward earnings management rather than genuine growth in profitability. The downward earnings management increases with both the percentage of the company that managers repurchase and CEO ownership. Pre-repurchase abnormal accruals are also negatively associated with future performance, with the association driven mainly by those firms that report the largest income-decreasing abnormal accruals. The study suggests that one reason firms experience post-repurchase abnormal returns is that post-repurchase realized earnings growth exceeds expectations formed on the basis of pre-repurchase deflated earnings numbers. Copyright 2008 by The American Finance Association.

In 2005, the SEC enacted the Securities Offering Reform (Reform), which relaxes 'gun jumping' restrictions, thereby allowing firms to more freely disclose information before equity offerings. We examine the effect of the Reform on voluntary disclosure behavior before equity offerings and the associated economic consequences. We find that firms provide significantly more preoffering disclosures after the Reform. Further, we find that these pre-offering disclosures are associated with a decrease in information asymmetry and a reduction in the cost of raising equity capital. Our findings not only inform the debate on the market effect of the Reform, but also speak to the literature on the relation between voluntary disclosure and information asymmetry by examining the effect of quasi-exogenous changes in voluntary disclosure on information asymmetry, and thus a firm's cost of capital.JEL Classification: G14; M41

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