Humans are often generous, but cooperation unravels when others take advantage of them. Many people punish such 'free riders', even if they do not benefit personally, and this 'altruistic punishment' sustains cooperation.
机构:
Sergey Yu Witte Inst New Ind Dev, 16 Bolshaya Monetnaya Str, St Petersburg 197101, RussiaSergey Yu Witte Inst New Ind Dev, 16 Bolshaya Monetnaya Str, St Petersburg 197101, Russia