It is often assumed that early life circumstances, in particular before age two, are important for later human capital development. Using experimental variation in the timing of benefits from a conditional cash transfer program, we test the hypothesis that intervention starting in utero and...

A model of human capital investment and activity choice is used to explain facts describing gender differentials in the levels and returns to human capital investments and occupational choice. These include the higher return to and level of schooling, the small effect of healthiness on wages,...

We investigate the relationship between HIV, marriage and nonmarital sexual activity, with a focus on adolescent behaviors. We use data from 45 Demographic and Health Surveys to examine how adolescent behavior among women born from 1958 to 1965 are related to the subsequent spread of HIV over...

The US tolerates more inequality than Europe and believes its economic mobility is greater than Europe?s, though they had roughly equal rates of intergenerational occupational mobility in the late twentieth century. We extend this comparison into the nineteenth century using 10,000...

Causal estimates of the benefits of increased schooling using U.S. state schooling laws as instruments typically rely on specifications which assume common trends across states in the factors affecting different birth cohorts. Differential changes across states during this period, such as...

We reanalyze Long and Ferrie's data. We find that the association of occupational status across generations was quite similar over time and place. Two significant differences were: (i) American farms in 1880 were far more open to men who had nonfarm backgrounds than were American farms in 1973...