This paper reports the results of a large randomized field experiment that investigates the extent to which nudges can stimulate student participation in teaching evaluations. The three nudges that we used were designed to either: (1) heighten students’ perceived impact of teaching...

We investigate the credibility of non-binding pre-play statements about cooperative behavior, using data from a high-stakes TV game show in which contestants play a variant on the classic Prisoner's Dilemma. We depart from the conventional binary approach of classifying statements as promises or...