We study social preferences in a three-person ultimatum game experiment with one proposer and two responders.Any responder can unilaterally punish the proposer.In three treatments, we vary the pecuniary consequences of rejection in such a way that upon rejection of one responder the other...

How to compensate people who provide relevant information to a decision-maker who faces uncertainty?This paper suggests some compensation rules.These are studied both in a cooperative and a noncooperative environment.

We describe non-cooperative game models and discuss game theoretic solution<br/>concepts. Some applications are also noted. Conventional theory focuses on the<br/>question ‘how will rational players play?’, and has the Nash equilibrium at its core.<br/>We discuss this concept and its interpretations, as...

Catastrophic events can dramatically alter existing social and economic relationships. The consequences can be long-lasting and give rise to heterogeneity of behavior across populations. We investigate the impact of a large negative shock on altruism, trust and reciprocity in 30 small Honduran...