This paper presents results from a modified dictator experiment aimed at distinguishing and quantifying the two … intrinsic motivations for giving: warm glow and pure altruism. In particular, we implemented a within-subject experimental … third one, T3, with a charity recipient and no crowding out, which elicits both types of altruism. We use T1 to assess to …

We study with a sample of 1,070 primary school children, aged seven to eleven years, how altruism in a donation … experiment is related to children's risk attitudes and intertemporal choices. Examining such a relationship is motivated by … theories of reciprocal altruism that provide a cornerstone to understand human social behavior. We find that higher risk …

We conduct an experiment in which subjects make a series of decisions of allocating an endowment of £10 between … by altruism toward the recipient. We argue that opting out indicates that giving is also motivated by self-image concerns …

experiment, we test whether altruistic behavior in the form of charitable giving is indeed correlated with trustworthiness and …

a strong decrease in spitefulness with increasing age. Egalitarianism becomes less frequent, and altruism much more …

We study social preferences in the form of altruism using data on 959 interactions between random commuters at selected …; and (iv) an age effect, with mature-aged people eliciting a higher degree of altruism …