The existence of quasi-fixed costs of work may affect firms' desired employee hours and number of workers, which has important implications for the estimation of labor supply parameters. Firm-level data from the 1982 U.S. Employment Opportunity Pilot Project are used to estimate the importance...

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...

As a collaborator with the Cornell Rehabilitation Research and Training Center on Disability Demographics and Statistics, Mathematica has been identifying the strengths and limitations in existing disability data collection in both content and data collection methodology. This source guide...

The Roads to Success program was launched in early 2005 to forge connections between students’ school experiences and their aspirations for adulthood, as an ongoing part of middle and high school. This report describes the intervention, research design, evaluation data, analysis methods, and a...

This report assesses the impact of two years of exposure to the school and career planning program, Roads to Success, on eighth graders from high-poverty rural schools. The main findings are that the program had no measurable effect on desire to learn job skills or study/learning habits....