analyze how the equilibrium outcome depends on altruism and climate for ex ante identical individuals. We also consider (a …) coerced altruism, that is, situations where a social norm dictates how output be shared, (b) the effects of insurance markets …, and (c) the role of institutional quality. The evolutionary robustness of altruism is analyzed and we study how this …

mechanisms. Firstly, in the so-called pure altruism model, the parent's utility is augmented by the utility of his child. This … transfer. In a second model, altruism is impure as the parents want the child to behave in a certain way: exchange and …. Tests usually conclude that the income pooling predicted by pure altruism is not observed, but family transfers are also far …