CLARK W. A. V. (1996) Scale effects in international migration to the United States, Reg. Studies 30, 589-600. The literature on international migration is voluminous and increasing rapidly, but the research to date has paid much less attention to issues of regional variability in the flows,...

This paper reviews the evidence on welfare time limits in the United States. It primarily refers to experimental and econometric evaluations. Time limits affect welfare recipients both before and after their limits are reached. Time limits reduce welfare receipt and increase employment before...