Butler, Jeffrey V.; Conzo, Pierluigi; Leroch, Martin A. - Istituto Einaudi per l'Economia e la Finanza (EIEF) - 2013
Third party punishment is crucial for sustaining cooperative behavior. Still, little is known about its determinants. In this paper we use laboratory experiments to investigate a long-conjectured interaction between group identification and bystanders' punishment preferences using a novel...