This paper provides an empirical investigation of severe misconducts in contests based on data from European football championships. We differentiate between two types of severe misconducts both resulting in a yellow card, namely dissents with the referee and other misconducts, and between...

We examine whether compliance with the law is associated with prosocial behavior. We test whether people who comply with parking rules are more likely to reply to a survey than people who did not comply with parking rules. We find that parking rule followers have significantly higher response...

Ethics is a field in which the gap between words and actions looms large. Game theory and the empirical methods it inspires look at behavior instead of the lip service people sometimes pay to norms. We believe that this special issue comprises several illustrations of the fruitful application of...

Phenomena like meat sharing in hunter-gatherers, altruistic self-sacrifice in intergroup conflicts, and contribution to the production of public goods in laboratory experiments have led to the development of numerous theories trying to explain human prosocial preferences and behavior. Many of...

In evolutionary models of indirect reciprocity, reputation mechanisms can stabilize cooperation even in severe cooperation problems like the prisoner's dilemma. Under certain circumstances, conditionally cooperative strategies, which cooperate iff their partner has a good reputation, cannot be...

The Experimental Games Generator (EGG) is a software package for developing and running round-based experimental games, created to support researchers in economics and other social sciences, who are interested in human decision making. It is completely web-based and open source. The very first...