The US financial services industry grew from 4.9 percent of GDP in 1980 to 7.9 percent of GDP in 2007. A sizeable portion of the growth can be explained by rising asset management fees, which in turn were driven by increases in the valuation of tradable assets, particularly equity. Another...

Much of the modern research on firm boundaries, following Ronald Coase (1937), assumes that firms are run by owner-managers. This contrasts with the agency literature, following Adolph Berle and Gardiner Means (1932), that emphasizes the problems that arise when managers are not owners. In this...

Randomized controlled trials are increasingly used to evaluate policies. How can we make these experiments as useful as possible for policy purposes? We argue greater use should be made of experiments that identify the behavioral mechanisms that are central to clearly specified policy questions,...