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It is common for organizations to offer awards to motivate individual behavior, yet few empirical studies evaluate their effectiveness in the field. We report a randomized field…

Increasing virtuous behaviors, such as initiating healthy habits, is an important goal for policymakers and social scientists. To promote compliance with requests to perform…

Classic takes on the norm of reciprocity find that receipt of a gift increases compliance with a later request. We find that giving people the opportunity to return this gift…

Many states mandate districts or schools notify parents when students have missed multiple unexcused days of school. We report a randomized experiment (N = 131,312) evaluating the…