Toward an Understanding of the Development of Time Preferences: Evidence from Field Experiments

We thank the Kenneth and Anne Griffin Foundation and the National Institutes of Health (NIH) grant 5R01DK114238 for funding this project. Andreoni also acknowledges the financial support from the National Science Foundation, Grant SES-165895. We thank participants at the AEA meetings and Nadia Chernyak for helpful comments. We thank the directors, principals and staff at the Chicago Heights Early Childhood Center and Illinois School District 170 for accommodating the data collection process. We thank Edie Dobrez, Jennie Huang, Phuong Ta, Kristin Troutman, Andre Gray and our staff of assessors for valuable research assistance. This research was conducted with the approval of the University of Chicago and University of Southern California Institutional Review Boards. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.