The Wolf at the Door: The Impact of Hedge Fund Activism on Corporate Governance has three basic aims: (1) to understand and explain the factors that have caused the recent explosion in hedge fund activism; (2) to examine the impact of this activism, including whether it is shortening investment horizons and discouraging investment in research and development; and (3) to survey and evaluate possible legal interventions with an emphasis on the least restrictive alternative. Although there have been other lengthy surveys, the landscape of activism is rapidly changing and this brings into doubt...