Ellingsen, Tore; Johannesson, Magnus - Economics Institute for Research (SIR), … - 2007
anticipated verbal feedback on altruistic behavior. We study pairwise interactions in which one subject, the “divider”, decides … control treatment without feedback messages, donations increase substantially when recipients can communicate. With verbal … feedback, the fraction of zero donations decreases from about 40% to about 20%, and there is a corresponding increase in the …