科研之友
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摘要
Using data from the EDGAR era, we find a significant market reaction surrounding quarterly periodic reports only when their filing coincides with the first public disclosure of earnings, although that for 10-K reports is not subsumed by earnings releases. However, after eliminating incidence of concurrent earnings releases, the 10-K market reaction is restricted to a quarter of the reports that are filed around calendar quarter-ends. The calendar quarter-end price and volume effects are unrelated to the filing of periodic reports and are not explained by self-selection. However, while the quarter-end volume reaction is indistinguishable between filers and non-filers, we find an incremental price reaction to 10-K filings at calendar quarter-ends in recent times. We provide evidence that the calendar-time effect is partially due to an intra-industry information transfer that is a function of the incidence of 10-K reports at quarter-ends. Finally, equity analyst reactions are muted around periodic filings, with no evidence that they contribute to quarter-end information transfer.
- 出版日期2009-7
