While empirical studies that use event-study methodology find on average that the gains from mergers and acquisitions are positive, those focusing on accounting figures tend to find a significant drop in performance. We argue that each of the four possible combinations between positive or...

We find that defined benefit employee pension plans of firms that are targets of hedge fund activism experience underfunding and their defined contribution plans experience reductions in employer contributions. Pension underfunding occurs due to reduced employer contributions to the plans, which...