Prior theoretical work on estimation risk generally has been restricted to single-period, returns-based models in which the investor must estimate the vector of expected returns but the covariance matrix is known. This paper extends the literature on parameter uncertainty in several ways. First,...

This paper provides the first systematic examination of policies and procedures put in place by corporations to regulate trading in the stock by the firm's own insiders. Over 90 percent of oursample companies have their own policy restricting trading by insiders, and nearly 80 percent have...

We examine the relation between a board's decision to reject anti-takeover provisions of Pennsylvania Senate Bill 1310 and subsequent labor market opportunities of those same board members. Compared to directors retaining all provisions, directors rejecting all protective provisions of SB1310...

We investigate market behavior in a setting where managerial incentives to manipulate earnings and market price should be apparent ex ante to market participants. We find evidence of abnormally low discretionary accruals in the period following announcements of cancellations of executive stock...

This paper provides evidence on a previously unidentified source of managerial incentives: concerns about post-retirement board service. Both the likelihood that a retired CEO serves on his own board two years after departure, as well as the likelihood of serving as an outside director on other...

This paper presents a parsimonious, structural model that isolates primary economic determinants of the level and dispersion of managerial ownership, firm scale, and performance and the empirical associations among them. In particular, variation across firms and through time of estimated...

This paper re-examines the relation between firm value and board structure. We find that complex firms, which have greater advising requirements than simple firms, have larger boards with more outside directors. The relation between Tobin's Q and board size is U-shaped which, at face value,...

This paper provides empirical evidence of a strong causal relation between the structure of managerial compensation and investment policy, debt policy, and firm risk. Controlling for CEO pay-performance sensitivity (delta) and the feedback effects of firm policy and risk on the structure of the...