We elicit human conditional punishment types by conducting experiments. We find that their punishment decisions to an … individual are on average significantly positively proportional to other members’ punishment decisions to that individual. …

I conducted an artefactual field experiment to identify whether guilt reduces crime, and how the crime reduction … sensitivity and belief. I found supporting evidence of changes in belief. My experiment is novel in that it develops an approach …

Norms of cooperation and punishment differ across societies, but also within a single society. In an experiment with … two subject pools sharing the same geographical and cultural origins, we show that opportunities for peer punishment … increase cooperation among students but not in the general population. In previous studies, punishment magnified the …

results of an experiment administered in the United States reported by Alm, Jackson and McKee (1992). The results for both …

This experiment investigates contests between groups. Each group has one strong player, with a higher valuation for the …

size, as in Adams (2002). Our experiment results show that for both production functions bigger groups reduce contribution …