; parochialism ; experiments with children and adolescents …

a structural model of preferences that allows us to simultaneously estimate outcome-based and reciprocity-based social … altruistic type, is characterized by a relatively large weight on others' payoffs and moderate levels of reciprocity. The second … displays no positive reciprocity while the third type is behindness averse, i.e., puts a large negative weight on others …

allows us to simultaneously estimate outcome-based and reciprocity-based social preferences. We find that non … reciprocity. The second type, denoted as moderately altruistic type, also puts positive weight on others' payoff, yet at a … considerable lower level, and displays no positive reciprocity, while the third type is behindness averse, i.e., puts a large …