How do we explain divergent trajectories of change in wage bargaining institutions? Existing studies maintained that European economic integration and liberalisation, decline in trade union power, changing work organization and new pay systems would push national wage-setting institutions...

We study how class size and composition affect the academic and labor market performances of college students, two crucial policy questions given the secular increase in college enrollment. We rely on the random assignment of students to teaching classes. Our results suggest that a one standard...