Kolm, Serge-Christophe - In: Handbook of the economics of giving, altruism and …, (pp. 1-122). 2006
(which they sometimes also create); and in charity and specific organizations. Altruism has various origins: it can be … hedonistic or natural altruism in empathy, affection, sympathy, emotional contagion, pity, and compassion; or normative altruism …Altruism, giving and pro-social conduct, and reciprocity, are the basis of the existence and performance of societies …