Information Uncertainty and the Post-Earnings-Announcement Drift Anomaly: Insights from REITs
Posted: 26 Jan 2012 Last revised: 20 Jun 2012
Date Written: January 25, 2012
This is the first study to examine the post-earnings-announcement drift anomaly in a Real Estate Investment Trust (REIT) context. The efficient markets hypothesis suggests that unexpected earnings should be fully incorporated into asset prices soon after being publicly announced. We hypothesize that publicly announced earnings signals may be more certain for REITs due to the presence of a parallel (private) asset market, suggesting less drift for REIT stocks. However, we find a large REIT drift component that is both statistically and economically significant. Furthermore, while the initial earnings surprise response is more muted for REITs, we find that the magnitude of the drift is significantly larger for REITs than for ordinary common stocks (NonREITs). Thus, information does not appear to move between the private and public asset markets in such a way as to render REIT earnings signals more certain than NonREIT earnings signals.
Keywords: REITs, Post-earnings-announcement drift, Market efficiency, Trading rule, Uncertainty
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