Using a new firm-level dataset on private and listed firms from 20 countries, we document five stylized facts on market power in global markets. First, competition has declined around the world, measured as a moderate increase in average firm markups during 2000- 2015. Second, the markup...

This study examines friendship and hostility relations between Roma students and the ethnically homogeneous non-Roma majority in Hungarian schools, where anti-Roma sentiments are strong. High-achieving Roma students have significantly more friends and fewer adversaries than low-achieving ones...

This study examines friendship and hostility relations between Roma students and the ethnically homogeneous non-Roma majority in Hungarian schools. Using data on friendship and hostility relations of 15-year-old students from 82 schools the study focuses on the interaction between exposure to...