Understanding the motivations behind people’s voluntary contributions to public goods is crucial for the broader issues of economic and social development. By using the experimental design of Fischbacher, Gächter, and Fehr (2001), we investigate the distribution of contribution types in two...

Individuals in a social dilemma may experience a self-control conflict between urges to act selfishly and their better judgment to cooperate. Pairing a public goods game with a subtle framing technique, we test whether perception of self-control conflict strengthens the association between...

We use a natural field experiment to investigate the hypothesis that generosity is partly involuntary, by examining whether individuals tend to avoid opportunities to act generously. In Sweden, new recycling machines for bottles and cans with an option of donating the returned deposit to charity...