This paper uses meta-analysis to investigate whether random assignment (or experimental) evaluations of voluntary government-funded training programs for the disadvantaged have produced different conclusions than nonexperimental evaluations. Information includes several hundred estimates from 31...

This paper uses a microsimulation model to ask whether welfare recipients in the United States would work full-time if offered an earnings supplement that was conditioned on full-time employment. The simulations suggest that the earnings supplement would increase full-time employment, with...