We find a positive association between short-selling and accruals during 1988-2009, and that asymmetry between the long and short sides of the accrual anomaly is stronger when constraints on short-arbitrage are more severe (low availability of loanable shares as proxied by institutional...

This study tests whether naïve trading by individual investors, or some class of individual investors, causes post-earnings announcement drift (PEAD). Inconsistent with the individual trading hypothesis, individual investor trading fails to subsume any of the power of extreme earnings surprises...