Ten cities in Korea have recently changed their high school system from "sorting" to "mixing" where students are assigned regardless of their academic abilities. We report that the number of high school graduates entering top universities has significantly decreased after the change.

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...