If individuals will cooperate with cooperators, and punish non-cooperators even at a cost to
themselves, then this strong reciprocity could minimize the cheating that undermines
cooperation. Based upon numerous economic experiments, some have proposed that
human cooperation is explained by strong reciprocity and norm enforcement. Second-party
punishment is when you punish someone who defected on you; third-party punishment is
when you punish someone who defected on someone else. Third-party punishment is an …

If individuals will cooperate with cooperators, and punish non-cooperators even at a cost to
themselves, then this strong reciprocity could minimize the cheating that undermines
cooperation. Based upon numerous economic experiments, some have proposed that
human cooperation is explained by strong reciprocity and norm enforcement. Second-party
punishment is when you punish someone who defected on you; third-party punishment is
when you punish someone who defected on someone else. Third-party punishment is an …