Instrumental variable estimation requires untestable exclusion restrictions. With policy effects on individual outcomes, there is typically a time interval between the moment the agent realizes that he may be exposed to the policy and the actual exposure or the announcement of the actual...

We study a model where some investors (“hedgers”) are bad at information processing, while others (“speculators”) have superior information-processing ability and trade purely to exploit it. The disclosure of financial information induces a trade externality: if speculators refrain from...

The U.S. system of security law was designed more than 70 years ago to regain investors’ trust after a major financial crisis. Today we face a similar problem. But while in the 1930s the prevailing perception was that investors had been defrauded by offerings of dubious quality securities, in...

Recent research on central bank governance has focused mainly on their monetary policy task. As the sub-prime loan market turmoil reminded us - central banks play a crucial role in financial markets not only in setting monetary policy, but also in ensuring their soundness and stability. In this...

We analyze government interventions to alleviate debt overhang among banks. Interventions generate two types of rents. Informational rents arise from opportunistic participation based on private information while macroeconomic rents arise from free riding. Minimizing informational rents is a...