Empirical Studies on Shareholder Activism
Posted on January 30th, 2008 in Mutual Funds, Pension Funds | 5 Comments »
Underlying the policy debate about merits of institutional activism is the empirical question: Does such activism have a significant impact on corporations that are the target of that activism? The short answer is that it’s unclear.
In an attempt to provide an intermediate-level answer, let us review a few points that emerge from this debate on the impact of institutional activism. To begin, the studies do not usually include proxy fights or takeover bids since these are rare events for institutional investors. In addition, these studies are all premised on the efficient markets theory, so they assume that the impact from shareholder activism can be measured by looking at a change in stock price after a specific event, such as a pension fund’s submission of a stockholder proposal.
These economic studies tend to show no or little positive price effects from proposals to change general governance procedures, such as the introduction of confidential voting or the appointment of an external board chairman (separate from the CEO). Read the rest of this entry »