of vigilant neighbors. This model proved to support cooperation in specific conditions, and here we check its robustness …

We show in a public goods experiment on three continents that conditional cooperation is a universal behavioral ….S.A. than anywhere else. -- conditional cooperation ; public goods ; experiment … regularity. Yet, the number of conditional cooperators and the extent of conditional cooperation are much higher in the U …

academic attention, yet. Within the framework of a ten-period public goods experi&ment we analyse how social identity affects …

Previous experiments have found a moderate, positive effect of group size on cooperation in voluntary contribution … results from n-person prisoner's dilemma and oligopoly experiments where group size has a negative effect on cooperation. In … instead be more evident in smaller groups. We test this conjecture in an experiment where we compare 2- 3- and 4-person VCM …