We study a unique grading policy at a large US public university allowing students to mask their letter grades into a "Pass", after having observed their original grade. Using administrative transcript records, we find that female students are substantially less likely to mask their grades than...

The standard economic model of police stops implies that the contraband hit rate should rise when the number of stops or searches per officer falls, ceteris paribus. We provide empirical corroboration of such optimizing models of police behavior by examining changes in stops and frisks around...