This paper examines the impact of college education on workers' subsequent careers, based on a direct role of college graduation on the revelation of workers' individual ability. Using NLSY79, we document a positive relationship between ability and signaling behavior for high school graduates...

This paper examines whether imposing minimum wage alters the characteristics of new businesses. Applying a difference-in-differences framework to repeated cross-sectional data of new plants, we explore the impact of minimum wage introduction on characteristics of new plants in South Korea. We...

Estimating the causal effect of the standard 40-hour workweek policy (2004-11) on the annual output per worker showed an increase of 1.5% at manufacturing establishments with 10-plus employees. The policy reduced the standard workweek from 44 to 40 hours and was gradually implemented in...