Morgan (2002) argues that in the banking sector, the inherent opacity of the intermediation process increases the likelihood of bank runs and magnifies the effects of systemic risk. Motivated by this argument, we develop and test the hypothesis that comovement, or the tendency of stock prices to...

Diether, Lee, and Werner (2009) show that, in general, short sellers are contrarian in both contemporaneous and past returns and able to impressively predict future returns, this study examines these trading characteristics during both the trading day and the after-hours period. Interestingly,...

Theory in Admati and Pfleiderer (1988) predicts that informed traders will concentrate their trading at the beginning and end of the trading day when markets are thick. Motivated by these predictions, we examine the trading behavior of informed short sellers during the intraday period. While our...

Informed investors have been shown to break up their larger trades into smaller trades in order to disguise their information. This study considers informed trading strategies when investors face borrowing constraints. Borrowing constraints may induce more intense trading and increase the use of...

Contrary to the hypothesis that informed short sellers increase their positions prior to earnings announcements, we find that short activity declines in the pre-announcement period compared with activity in non-announcement time. This statistically significant, but economically modest, decline...