How do peers influence the impact of incentives? Despite much work on incentives, little is known about the spillover effects of incentives. We investigate two mechanisms by which these effects can occur: through peers' actions and peers' incentives. In a field experiment on snack choice (grapes...

The rise of childhood obesity in less developed countries is often overlooked. We study the impact of body weight report cards in Mexico. The report cards increased parental knowledge and shifted parental attitudes about children's weight. We observe no meaningful changes in parental behaviors...

We replicate the test of a theoretical framework put forward and tested by Goldberg et al. (2022) on financial incentives to send peers information about health behaviors. The study we replicate validated the theory in the context of tuberculosis testing in India. We adapt the intervention to...