giving participants an opportunity to attribute small donations to luck. We find that exposing the participants to a plea to … help the beneficiary increases the average donation. Giving participants an opportunity to attribute small donations to …

that, with uncertain future income, altruism per se can induce time consistent, however, not necessarily ex ante efficient …

We provide a direct test of the impact of altruism on remittances. From a sample of 105 male migrant workers from … use it as a proxy for altruism. When the entire sample is considered, we find that only migrants' income robustly explains … remittances. Altruism does not seem to matter. However, we document a strong positive relationship between altruism and …

each other's payoff. A positive, negative or zero weight represents altruism, spite or complete selfishness, respectively …) payoff can only increase or remain unchanged with an increasing degree of altruism. …