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,...

Zero-cost collars and equity swaps provide insiders with the opportunity to hedge the risk associated with their personal holdings in the company's equity. Consequently, their use has important implications for incentive-based contracting and for understanding insider trading behavior. Our...

We examine the impact of explicitly incorporating a measure of debt capacity in recent tests of competing theories of capital structure. Our main results are that if external funds are required, in the absence of debt capacity concerns, debt appears to be preferred to equity. Concerns over debt...