He is a quantitative scholar whose main research areas are stratification and inequality, urban sociology, work and occupations, and immigration. He has published research on the effects of financialization on income inequality in affluent nations, the relationship between immigration and earnings inequality in small towns in the United States, discrimination in job hiring, and the effects of economic globalization and European integration on union decline in affluent nations. His current research focuses on White-Latino segregation and neighborhood assimilation of new homeowners, as well as the labor market impacts of immigration in major American cities. He received his Ph.D. from the Department of Sociology at the University of Connecticut.