The introduction of deal types for issues of seasoned equity in which the offer follows quickly after its announcement highlights the role of underwriter certification in the performance of SEOs. Controlling for the matching between underwriters and issuers, underwriter quality is positively...

We examine the importance of ambiguity, or Knightian uncertainty, in the capital structure decision. We develop a static tradeoff theory model in which agents are both risk averse and ambiguity averse. The model confirms the usual idea that increased risk--the uncertainty over known possible...

We investigate the importance of ambiguity, or Knightian uncertainty, in executives' decisions about when to exercise stock options. We develop an empirical estimate of ambiguity and include it in regression models alongside the more traditional measure of risk, equity volatility. We show that...