By Jeffrey Grogger & Lynn Karoly. Assembles evidence from numerous studies, including nearly three dozen social experiments, to assess how welfare reform has affected behavior and evaluates it in relation to an economic model of behavior revealing the trade-offs that policymakers face in achieving the conflicting goals of promoting work, reducing dependency, and alleviating need among the poor and identifies numerous areas where important gaps remain in the understanding of the effects of welfare reform. Read more.