The Earnings Announcement Premium Around the Globe
Brad M. Barber
University of California, Davis
Emmanuel T. De George
London Business School
University of Michigan, Stephen M. Ross School of Business
University of California, Los Angeles (UCLA) - Anderson School of Management
May 30, 2012
U.S. stocks have been shown to earn higher returns during earnings announcement months than during non-announcement months. We document that this earnings announcement premium exists across the globe. Using data from 46 countries, we find that the average stock return during earnings announcement months exceeds the return during non-announcement months by over 11 percent annually, after controlling for factors known to be associated with stock returns. The positive incremental return during earnings announcement months is not isolated to a few years; it is significant for 16 of the 20 years of our sample period. Moreover, it is not isolated to a few countries. Of the 20 countries with enough data to conduct a within-country analysis, nine exhibit a significantly positive premium. A cross-country analysis finds that the premium is strongest in countries with the greatest increase in idiosyncratic volatility around the time of their firms’ earnings announcements, suggesting that uncertainty over the earnings information to be disclosed is a primary driver of the global announcement premium.
Number of Pages in PDF File: 49
Keywords: earnings announcement premium, international, attention
JEL Classification: G14, G15, M41
Date posted: June 26, 2011 ; Last revised: May 31, 2012
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