Previous researchers have noted that the positive correlation between substance use and sexual behavior is stronger for white adolescents than for their black and Hispanic counterparts. Using an instrumental variables approach to control for the possible endogeneity of substance use, and data...

Even before the 1996 overhaul of the U.S. welfare system, a number of states had ended the practice of paying extra benefits to families who have additional children while receiving welfare. Proponents believe that this reform can reduce births to recipients, however many worry that it may...

We estimate the dual effects of immigration and obesity on labor market outcomes in the UK. There is only one other paper that has estimated these dual effects on a sample of immigrants to the US. We use the British Household Panel Survey, which contains information on height and weight for 2004...