"After a period of regulatory changes in the early 1980s we are faced with "new" freight transportation labor markets in the U.S. Using data from the 1984-1999 Current Population Survey, we examine trends in the wages of workers within freight transportation, with a focus on wage differentials...

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%...

"One of the most difficult problems in the social sciences is measuring the policy climate in societies. Prior to the 1930s the vast majority of labor regulations in the U.S. were enacted at the state level. In this paper we develop several summary measures of labor regulation that document the...