Campbell, Lettau, Malkiel, and Xu (2001) document a positive trend in idiosyncratic volatility during the 1962 to 1997 period. We show that this trend completely reverses itself by 2007, falling below pre-1990s levels. Furthermore, we show that the reversal is concentrated among firms with low...

Hedge fund activism refers to the phenomenon where hedge fund investors acquire a strict minority block of shares in a target firm and then attempt to pressure management for changes in corporate policies and governance with the aim to improve firm performance. This study provides an updated...

An important milestone often reached in the life of an activist engagement is entering into a "settlement" agreement between the activist and the target's board. Using a comprehensive hand-collected data set, we analyze the drivers, nature, and consequences of such settlement agreements....

We survey 384 CFOs and Treasurers, and conduct in-depth interviews with an additional two dozen, to determine the key factors that drive dividend and share repurchase policies. We find that managers are very reluctant to cut dividends, that dividends are smoothed through time, and that dividend...

This paper studies how hedge fund activism reshapes corporate innovation. Firms targeted by hedge fund activists experience an improvement in innovation efficiency during the five-year period following the intervention. Despite a tightening in R&D expenditures, target firms experience increases...

We test the empirical validity of a claim that has been playing a central role in debates on corporate governance--the claim that interventions by activist hedge funds have a negative effect on the long-term shareholder value and corporate performance. We subject this claim to a comprehensive...