We study optimal enforcement in credit markets in which the only threat facing a defaulting borrower is restricted access to financial markets. We solve for the optimal level of exclusion, and link it to observed institutional arrangements. Regulation in this environment must accomplish two...

We study legal restrictions on private contracting in the form of limitations on the severity of non-monetary punishments. We locate the rationale for such restrictions in externalities that parties impose on future relationships: punishments that lower an agent's future productivity may lower...

A large amount of activity in the financial sector occurs in secondary financial markets, where securities are traded among investors without capital flowing to firms. The stock market is the archetypal example, which in most developed economies captures a lot of attention and resources. Is the...