“...•I randomly assign quizzes to be graded on the curve in a cohort of 10 or 100 students. These represent “class sizes” for the students.•The larger cohorts...”

“...•We use a list experiment and find that respondents are relatively more likely to conceal support for Donald Trump than for Hillary Clinton.•Members of both...”

“...We model contests with a fixed proportion of prizes, such as a grading curve, as all-pay auctions where higher effort weakly increases the likelihood of a...”