This paper studies the role of technology and competition in industry-wide productivity growth. We rely on a unique producer-level dataset covering U.S. steel producers between 1963 and 2002 to measure the impact of a drastic new production technology, the minimill, on aggregate productivity. In...

In a laboratory experiment designed to capture key aspects of the interaction between physicians and patients, we study the effects of medical insurance and competition in the guise of free choice of physician, including observability of physicians' market shares. Medical treatment is an example...

In a laboratory experiment designed to capture key aspects of the interaction be-tween physicians and patients in a stylized way, we study the effects of medical insurance and competition in the guise of free choice of physician. Medical treat-ment is an example of a credence good: only the...

We study the effects of reputation and competition in a trust game. If trustees are anonymous, outcomes are poor: trustees are not trustworthy, and trustors do not trust. If trustees are identifiable and can, hence, build a reputation, efficiency quadruples but is still at only a third of the...

In a laboratory experiment designed to capture key aspects of the interaction between physicians and patients in a stylized way, we study the effects of medical insurance and competition in the guise of free choice of physician. Medical treatment is an example of a credence good: only the...