Dave, Dhaval M.; Corman, Hope; Reichman, Nancy E.; Das, … - National Bureau of Economic Research (NBER) - 2010
Exploiting changes in welfare policy across states and over time and comparing relevant population subgroups within an econometric difference-in-differences framework, we estimate the causal effects of welfare reform on adult women's illicit drug use from 1992 to 2002, the period during which...