We randomize advertising content motivated by the psychology literature on sympathy generation and framing effects in mailings to about 185,000 prospective new donors in India. We find significant impact on the number of donors and amounts donated consistent with sympathy biases such as the...

I conduct an on-line experiment to decompose giving in a dictator game into amounts motivated by pure altruism and amounts motivated by the warm glow of giving as defined in Andreoni (1989). By manipulating the price of benefit to the recipient while holding the price of the act of giving...

This study examines relationships between the size of the majority and donor conformity by empirically investigating the impacts of multiple earlier donations on the amount that a subsequent donor contributes to JapanGiving, a donation-based crowdfunding platform. The platform's webpage displays...

Recent experimental evidence suggests that donors are averse to giving to charities with high overhead ratios. This paper asks whether donors are also averse to giving to charities spending a high share of the donations on unavoidable administrative expenses. The results of an experiment with a...

We study the heterogeneity of preferences regarding the limited substitutability of environmental public goods vis-a-vis private consumption goods and how it affects the economic valuation of environmental public goods. We show theoretically that mean marginal willingness to pay for an...