Paul Samuelson made a series of important contributions to population theory for humans and other species, evolutionary … theory, and the theory of age structured life cycles in economic equilibrium and growth. The work is highly abstract but much …

reflecting low altruism - a discount rate on children's utility greater than the world interest rate - and I examine the … spending on debt and retiree entitlements. In the model, altruism towards children determines bequests, government debt, and … the time-path of consumption. Altruism towards parents influences incentives to default. If altruism is low, voters demand …