This chapter reviews recent experimental data testing game theory and behavioral models that have been inspired to explain those data. The models fall into four groups: in cognitive hierarchy or level- k models, the assumption of equilibrium is relaxed by assuming agents have beliefs about other...

This study asks two research questions: who forgives, and how? Prior studies have shown that more agreeable and less neurotic people have a higher tendency to forgive others, but this study argues that these associations may be spurious because these studies measure forgiveness as a disposition...

What determines people's moral judgments of selfish behaviors? Here we study whether people's normative views in trust and gift exchange games, which underlie many situations of economic and social significance, are themselves functions of positive emotions. We used experimental survey methods...