weakly increases the likelihood of a prize. We find theoretical predictions for the effect of contest size on effort and test … our predictions in a laboratory experiment that compares two-bidder auctions with one prize and 20-bidder auctions with … ten prizes. Our results demonstrate that larger contests elicit lower effort by low-skilled students, but higher effort by …

weakly increases the likelihood of a prize. We find theoretical predictions for the effect of contest size on effort and test … our predictions in a laboratory experiment that compares two-bidder auctions with one prize and 20-bidder auctions with … ten prizes. Our results demonstrate that larger contests elicit lower effort by low-skilled students, but higher effort by …

This paper contrasts measures of teacher effectiveness with the students' evaluations for the same teachers using … in follow-on coursework of students who are randomly assigned to teachers in each of their compulsory courses. We find … material, teachers still matter substantially. The average difference in subsequent performance between students who were …

This paper contrasts measures of teacher effectiveness with the students' evaluations for the same teachers using … in follow-on coursework of students who are randomly assigned to teachers in each of their compulsory courses. We find … material, teachers still matter substantially. The average difference in subsequent performance between students who were …

This paper contrasts measures of teacher effectiveness with the students’ evaluations of the same teachers using … in follow-on coursework of students who are randomly assigned to teachers in each of their compulsory courses. We find … measure of teacher effectiveness is negatively correlated with the students’ evaluations of professors: in other words …