Many economists argue that the primary economic function of banks is to provide cheap credit, and to facilitate this function, they advocate the strict protection and enforcement of creditor rights. But banks can serve another important economic function: through project screening they can...

We propose a model that combines statistical discrimination and educational sorting that explains why blacks get more education than do whites of similar cognitive ability. Our model explains the difference between blacks and whites in the relations between education and AFQT and between wages...

We present models of labor-market discrimination in which identical employers choose among job applicants according to a continuous characteristic such as skin color or worker height. The characteristic in question is assumed to be unrelated to worker productivity. Firms are required to announce...

It is commonly argued that when innovation is sequential, and the product has network externalities, incumbents build a large network that inefficiently blocks the entry of future incompatible innovators. This paper shows that when intellectual property rights permit some degree of compatibility...

Commercial banks frequently encounter optimistic entrepreneurs whose perceptions are biased by wishful thinking. Bankers are left with a difficult screening problem: separating realistic entrepreneurs from optimists who may be clever, knowledgeable, and completely sincere. We build a...

Many economists argue that the primary economic function of banks is to provide cheap credit, and to facilitate this function, they advocate the strict protection of creditor rights. But banks can serve another important economic function: by screening projects they can reduce the number of...