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...

While results from public good games with homogeneous players reflect the contribution norm of equal contributions, it is unclear what contribution norm will arise in a heterogeneous setting. Climate change is a perfect example of a social dilemma involving heterogeneous agents. As such, using a...

We conducted asset market experiments where one experienced subject (EH) interacts with five inexperienced subjects (1EH5H) to investigate how EHs change their price forecasts and trading strategies when faced with strategic uncertainty caused by inflows of inexperienced subjects. Only half the...

This paper develops a simple business-cycle model in which financial shocks have large macroeconomic effects when private agents are gradually learning their uncertain environment. When agents update their beliefs about the parameters that govern the unobserved process driving financial shocks...