"Theories of commitment, altruism, and reciprocity have been invoked to explain and describe behavior in public goods and social dilemma situations. Commitment has been used to explain behaviors like water conservation and voting. Altruism has been applied to explain contributions to charities...

Recommended contributions are often observed in fundraising campaigns for charitable and other public goods. We present an experiment investigating the impact of recommended contributions in a voluntary threshold public goods process. We find that when valuations for the public good are...

"This paper uses laboratory evidence from public goods games to examine how in payoff-equivalent situations, decision makers contribute toward private or public goods when they are exposed to different kinds of risks and uncertainties in the provision of these goods. We find that location...

Evidence suggests that individuals often comply with regulations even though the frequency of inspections and audits is low. We report a laboratory experiment based on the dynamic model suggested by Harrington (1988) to explain this puzzle in which participants move between two inspection groups...