Nearly half of U.S. employers test job applicants and workers for drugs. I use variation in the timing and nature of drug testing regulation to study discrimination against blacks related to perceived drug use. Black employment in the testing sector is suppressed in the absence of testing,...

In light of the recent bans on affirmative action in higher education, this paper provides new evidence on the effects of alternative admissions policies on the persistence and college completion of minority students. I find that the change from affirmative action to the Top 10% Plan in Texas...

This book explores the effects of discrimination on the economic outcomes of various societal groups.

What role has affirmative action played in the growth of minority and female employment in U.S. firms? This paper analyzes this issue by comparing the employment of minorities and women at firms holding federal contracts and therefore mandated to implement affirmative action, and at...

We exploit exogenous variation in legal status following the January 2007 European Union enlargement to estimate its effect on immigrant crime. We difference out unobserved timevarying factors by 1) comparing recidivism rates of immigrants from the “new” and “candidate” member countries...

This paper estimates how effects of shocks to local labor demand on local labor market outcomes vary with initial local economic conditions. The data are on U.S. metro areas from 1979 to 2011. The paper finds that demand shocks to local job growth have greater effects in reducing local...