Cárdenas Campo, Juan Camilo; Dreber, Anna; Essen, Emma von - 2011
We compare how children aged 9-12 in Colombia and Sweden cooperate in a Prisoner's Dilemma. We introduce a new … measurement device for cooperation that can be easily understood by children. There is some evidence of more cooperation in Sweden … than in Colombia. Girls in Colombia are less cooperative than boys, whereas our results indicate the opposite in Sweden …