This paper outlines a two-stage technique for estimation and inference in probit models with structural group effects. The structural group specification belongs to a broader class of random components models. In particular, individuals in a given group share a common component in the...

There exist sizeable differences in the incidence and duration of welfare spells across ethnic groups, and these differences tend to persist across generations. Using the National Longitudinal Surveys of Youth, we find that children raised in welfare households are themselves more likely to...

Empirical analyses of retirement typically assume a single form of retirement. In this paper, I consider the determinants of retirement in a competing risks model which allows for full and partial retirement. Simulation results indicate that the large increase in Social Security benefits in the...

This paper analyzes the turnover and promotion of male and female lawyers, using data on two cohorts of lawyers; one which entered law firms between 1969 and 1973, and the other entering between 1980 and 1983. This study considers whether law firm promotion decisions have differed for women, and...

The largest and most important flow of scientific talent in the world is the migration of international students to the doctoral programs offered by universities in industrialized countries. This paper uses the opening of China in 1978 to estimate the causal effect of this flow on the...

This paper examines the evolution of immigrant earnings in the United States between 1970 and 2010. There are cohort effects not only in wage levels, with more recent cohorts having lower entry wages through 1990, but also in the rate of wage growth, with more recent cohorts experiencing less...