Labor supply theory predicts systematic heterogeneity in the impact of recent welfare reforms on earnings, transfers, and income. Yet most welfare reform research focuses on mean impacts. We investigate the importance of heterogeneity using random-assignment data from Connecticut's Jobs First...

"The passage of the 1996 welfare reform bill led to sweeping changes to the central U.S. cash safety net program for families with children. Importantly, along with other changes, the reform imposed lifetime time limits for receipt of welfare de facto ending the entitlement nature of cash...