. In some contexts, these two forms of relatedness interact. Caring about others can conveniently be labeled altruism … deprivation. I provide examples of domains in which the incorporation of altruism and relative deprivation can point to novel … consideration of relative deprivation can substitute for the prevalence of altruism, and vice versa. I conclude that this is a …

, altruism and concern for inequality. We find that decision makers who are selected democratically are generally more efficiency …

heterogeneity. When altruism heterogeneity is low, income inequality follows an inverse U-shaped pattern relative to the level of … altruism, which is consistent with the cross-country Kuznets curve. When altruism heterogeneity is high, income inequality …We study a growth model with two types of agents who are heterogeneous in their degree of family altruism. We prove …

Altruism, giving and pro-social conduct, and reciprocity, are the basis of the existence and performance of societies … (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 …