This paper estimates the effect of labor-market concentration on labor compensation across the U.S. private sector since 2000. We distinguish between concentration in local labor markets versus local product markets, guarding against bias from confounded product-market concentration. Analysis...

Wage inequality does not fully capture differences in job quality. Jobs also differ along other key dimensions, including the prevalence of labor rights violations. We construct novel measures of labor violation rates using data from federal agencies. Within local industries over time, a 10%...