We study a growth model with two types of agents who are heterogeneous in their degree of family altruism. We prove … that every equilibrium path converges to a unique steady state, and study the effect of altruism on the properties of … steady-state equilibrium. We show that aggregate income is positively related to both level of altruism and altruism …

public good experiments, we find that contributions are increasing over time even in the absence of punishment possibilities …