to the source. Does Price Matter in Charitable Giving? Evidence From a Large-Scale Natural Field Experiment

Mullainathan, Lise Vesterlund, and participants at the University of Canterbury workshop on field experiments for comments. We thank Tomoko Harigaya and May Rostom from Innovations for Poverty Action for excellent research assistance. We thank the Organization for working with us on the field experiment and the anonymous donors for providing the matching grant. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research