If students tend to choose instructors with high teaching ability, a negative link between class size and student performance may remain obscured until this kind of sorting has been taken into account. Using data from student evaluation surveys, we confirm that it is crucial to control for...

This paper examines the impacts of work experience acquired while youth were in high school (and college) on young men's wage rates during the 1980s and 1990s. Previous studies have found evidence of sizeable and persistent rates of return to working while enrolled in school, especially high...

We find that knowledge spillover in the classroom depends on how peer personalities differ. In addressing the issue of within-group sorting, we conducted our field experiment within primary school classrooms where a pair of deskmates forms the smallest possible designated peer group. We further...

This paper examines the impacts of work experience acquired while youth were in high school (and college) on young men's wage rates during the 1980s and 1990s. Previous studies have found evidence of sizeable and persistent rates of return to working while enrolled in school, especially high...

Concerns over grade inflation and the profusion of high grades have led institutions of higher education in the United States to adopt various grading reforms. An element common to several prominent reforms is providing information on the distribution of grades in different courses. The main...