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,...

Private for-profit institutions have been the fastest-growing part of the U.S. higher education sector. For-profit enrollment increased from 0.2 percent to 9.1 percent of total enrollment in degree-granting schools from 1970 to 2009, and for-profit institutions account for the majority of...

Women are currently the majority of U.S. college students and of those receiving a bachelor's degree, but were 39 percent of undergraduates in 1960. We use three longitudinal data sets of high school graduates in 1957, 1972, and 1992 to understand the narrowing of the gender gap in college and...

Over the past three decades, much research has attempted to identify the determinants of the natural rate of unemployment. The authors reach two main conclusions about this body of work. First, there has been considerable theoretical progress over the past thirty years. A framework emerged that...

The authors trace the origins of the key features of U.S. higher education today--the coexistence of small liberal arts colleges and large research universities; the substantial share of enrollment in the public sector; and varying levels of support provided by the states. These features began...