Angerer, Silvia; Glätzle-Rützler, Daniela; … - 2014
We study in a sample of 1,070 primary school children, aged seven to eleven years, how altruism in a donation … theories of reciprocal altruism that provide a cornerstone for understanding human social behavior. We find that higher risk …-linear. We confirm earlier results that altruism increases with age during childhood and that girls are more altruistic than boys …