Evidence from the American Time Use Survey 2003-12 suggests the existence of small but statistically significant racial/ethnic differences in time spent not working at the workplace. Minorities, especially men, spend a greater fraction of their workdays not working than do white non-Hispanics....

Economic theories of discrimination are usually based on tastes. The huge body of empirical studies, however, considers the discriminatory outcomes that are the reduced-form results of interactions between tastes and opportunity sets. None examines tastes for discrimination directly, or...