Personal Trust Increases Cooperation beyond General Trust

摘要: In this paper we present a new methodology which, while allowing for anonymous interaction, it also makes possible to compare decisions of cooperating or defecting when playing games within group, according whether not players personally trust each other. The design thus goes beyond standard approaches the role in fostering cooperation, which is restricted general trust. It allows considering topology social network involved may play level cooperation found. results work support idea that personal promotes We found effect carries over whole making more cohesive, but higher levels cohesion rely on particular topology. As conclusion, hypothesize psychological mechanism evolved make human life small groups our ancestors lived in, and persists plays sustaining cohesion.