NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Marta Serra-Garcia

University of California, San Diego
Rady School of Management
9500 Gilman Drive #0553
La Jolla, CA 92093-0553

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: University of California, San Diego

NBER Working Papers and Publications

November 2016Time-Inconsistent Charitable Giving
with James Andreoni: w22824
We motivate this paper with a puzzle. When we asked subjects to give five dollars to charity today, about 30 percent agree, but when the donation would instead be paid in one week, giving increases by 50 percent. The puzzle is that received models of self-control cannot explain this time-inconsistent charitable giving. This suggests a new approach is needed for intertemporal pro-sociality. We present one solution to the puzzle in a theoretical model and two new experiments. Our explanation relies on the rich dynamics of warm glow, and specifically image concerns, in prosocial behavior.
 
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