Asset Pricing: A Tale of Two Days
Pavel G. Savor
Fox School of Business - Temple University
Mungo Ivor Wilson
University of Oxford - Said Business School
AFA 2013 San Diego Meetings Paper
We show that asset prices behave very differently on days when important macroeconomic news is scheduled for announcement relative to other trading days. In addition to significantly higher average returns for risky assets on announcement days, return patterns are also much easier to reconcile with standard asset pricing theories, both cross-sectionally and across time. On such days, stock market beta is strongly related to average returns. This positive relation holds for individual stocks, for various test portfolios, and even for bonds and currencies, suggesting that beta is after all an important measure of systematic risk. Furthermore, a robust risk-return trade-off exists on announcement days. Expected variance is positively related to future aggregated quarterly announcement day returns, in contrast to market or aggregated non-announcement day returns where there is no evidence of predictability. We explore the implications of our findings in the context of various asset pricing models.
Number of Pages in PDF File: 72working papers series
Date posted: March 19, 2012 ; Last revised: September 2, 2013
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