Using data from Demographic and Health Surveys for 15 sub-Saharan African countries, this article estimates the relationship between regional HIV prevalence and the change in individual human capital investment over time. Areas with higher levels of HIV experienced relatively larger declines in...

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...