title: Strong reciprocity is not uncommon in the "wild".
abstract: Guala is right to draw attention to the difficulty of extrapolating from the experimental evidence for weak or strong reciprocity to what is observed in the "wild." However, there may be more strong reciprocity in real-world communities than he allows for, as strikingly illustrated in the example of the Mafia.
authors.affiliation: Sociology, Trinity College, Cambridge CB2 1TQ, United Kingdom. wgr@wgrunciman.u-net.com
authors.forename: W G
authors.initials: WG
authors.lastname: Runciman
mesh_terms: D003299:Cooperative Behavior; D005716:Game Theory; D006801:Humans; D008960:Models, Psychological; D011678:Punishment / Q000523:psychology*; D012919:Social Behavior