Retributive responses play a role in human behavior. Are they triggered primarily by supposed intentions or by observed consequences of actions? Experimental studies were conducted of retributive responses in situations in which the individual actor may inflict harmful consequences without...

Werner Güth's ultimatum game played a key role in the development of multiple research areas, several of which are highlighted.

We report on two experiments designed to investigate the role of beliefs for ingroup favoritism. On average, dictators transfer substantially more to recipients who are publicly known to share the same group identity, compared to transfers given to recipients who are publicly known to be...

We conduct a field experiment in a naturally occurring labor environment and track whether the performance of workers responds to unexpected wage increases. Specifically, we investigate how the timing of wage increases affects efforts. We find that workers’ performance is substantially higher...

Previous studies show that group risk taking can be more conservative than individual risk taking. Two common, but untested reasons for this greater caution are the influence of social responsibility and a tendency to conform to the preferences of others. We study changes in risk taking in...