This article specifies a dynamic career decision model that includes military service options to understand how human capital, compensation, the business cycle, and combat risk affect the military labor supply. Using data on males from the 1979 National Longitudinal Survey of Youth, experimental...

This article examines the relationship between combination class membership in 1st grade and 1st-grade test scores, finding that 1st graders are not harmed by being in a combination class or by their schools offering combination classes. As long as other stakeholders—such as parents,...

This article uses data from Ohio, a state that allows a wide range of organizations to authorize charter schools, to examine the relationship between type of authorizer and charter-school effectiveness.

This paper uses individual student-level data from Ohio–which permits a wide range of organizations to authorize charter schools—to examine the relationship between type of authorizer and charter-school effectiveness, as measured by students’ achievement trajectories.

Provides a comprehensive profile of the program, including participant demographics, services provided, and performance outcomes, using data from 1999-2000. Notes that 57 percent of college-ready participants were admitted to a postsecondary institution, and 56 percent of those who dropped out...

The Playworks program, an initiative of the Robert Wood Johnson Foundation, places full-time coaches in low-income schools to provide opportunities for organized play during recess and throughout the school day. Using random assignment, Mathematica and the John W. Gardner Center for Youth and...