We study the impact of high and low frequency incentives in a joint-liability framework on six academic outcomes of undergraduate students using a randomized field experiment. As recently documented in health literature, incentives to exercise are effective in developing healthy habits....

Using a randomized trial, we evaluate the impact of a free privately-managed middle school in a poor neighborhood. The research compares over time adolescents randomly selected to enter Liceo-Jubilar and those that were not drawn in the lottery. Besides positive impacts on expectations, we find...

We evaluate the impact of joint-liability incentives in the classroom using a randomized field experiment. The instructor designs groups of three students in the classroom and provides a premium to their homework's grade only if all three members of the group meet some requirements. To isolate...