Theories of corporate payout policy do not explain the observed form of distributions to shareholders. Although open-market repurchases appear to have tax advantages, cash dividends are overwhelmingly chosen. We argue that there are costs associated with open-market-repurchase programs, since they provide managers with opportunities to use inside information to benefit themselves at stockholders' expense. We offer evidence suggesting that bid-ask spreads widen around repurchase announcements, as predicted by our analysis. Since these costs of repurchases do not arise with cash dividends, our analysis implies that repurchases do not dominate cash dividends for making distributions to shareholders.

Theory suggests that shareholders who own blocks of stock have a stronger incentive to invest in voting on corporate issues than nonblockholders. Our evidence indicates that institutional investors and other blockholders vote more actively on antitakeover amendments than nonblockholders, and opposition by institutions is greater when the proposal appears to harm shareholders. Our evidence suggests that institutions that are less subject to management influence, such as mutual funds, foundations, and public-employee pension funds, are more likely to oppose management than banks, insurance companies, and trusts, which frequently derive benefits from lines of business under management control.