Causal Effects in Nonexperimental Studies: Reevaluating the Evaluation of Training Programs
Causal Effects in Nonexperimental Studies: Reevaluating the Evaluation of Training Programs
Abstract This article uses propensity score methods to estimate the treatment impact of the National Supported Work (NSW) Demonstration, a labor training program, on postintervention earnings. We use data from Lalonde's evaluation of nonexperimental methods that combine the treated units from a randomized evaluation of the NSW with nonexperimental comparison …