We develop a model of a credit rating agency in which the rating agency expends due-diligence effort to learn about the issuer's credit risk, and the precision of its rating is predicated both on this effort and the rating agency's a priori unknown ability. We model the communication of ratings...

An enduring puzzle is why credit ratings are coarse indicators of issuer credit quality, with a relatively small number of ratings categories being used to describe credit qualities that lie in a continuum. We develop a theoretical model to explain why ratings are coarse even though coarseness...

We examine the interaction between corporate governance at two levels: internal organizational governance that is intended to distinguish among managers of a priori unknown abilities to determine who becomes CEO, and corporate governance at the board level that seeks to retain or fire the CEO...

We examine the characteristics of endogenously-determined optimal incentive contracts for agents who envy each other and work for a risk-neutral (non-envious) principal. Envy makes each agent care not only about absolute consumption but also about relative consumption. Incentive contracts in...

We develop a model in which CEOs envy each other based on their compensation. When CEO compensation is increasing in the firm's market value and size, we show that envy can cause merger waves even when the shock that precipitated the first merger in the wave is purely idiosyncratic. The analysis...