Although extensive research has compared Catholic and public high schools, little is known about Catholic primary schools. Using unique data for two cohorts of primary school students, I find that Catholic schooling does not have a significant effect on mathematics and reading test scores. These...

This paper investigates the effects of California’s billion-dollar class-size-reduction program on student achievement. It uses year-to-year differences in class size generated by variation in enrollment and the state’s class-size-reduction program to identify both the direct effects of...

This paper studies interfirm gender segregation in a unique sample of small employers. We find that interfirm segregation is prevalent among small employers, as men and women rarely work in fully integrated firms. We also find that the education and sex of the business owner strongly influence...

We report new evidence on the existence of sex discrimination in wages and whether competitive market forces reduce or eliminate discrimination, based on plant- and firm-level data on profitability, growth and ownership changes, product market power, and workforce sex composition. Our strongest...