This paper posits that individuals can more easily form social connections with persons of the same race. If true, the greater the incidence among his neighbors of persons of his race, the more likely an individual is to make neighborhood social capital connections, and the more likely he is to...

This paper assesses how retirement - defined as permanent labor force non-participation in a man's mature years - affects psychological welfare. The raw correlation between retirement and well-being is negative. But this does not imply causation. In particular, people with idiosyncratically low...

We assess whether in utero exposure to legalized abortion in the early 1970's affected individuals' propensities to use controlled substances as adolescents. We exploit the fact that some states legalized abortion before national legalization in 1973 to compare differences in substance use for...