This paper addresses the issue of optimum population with two concerns : avoiding both the absolute repugnant solution that amounts to giving to an infinite number an infinitesimal amount and the marginal repugnant solution in which equilibrium consumption decresases with income. To avoid these...

This paper addresses the issue of optimal population with two concerns: avoiding both the absolute repugnant solution that amounts to giving to an infinite number an infinitesimal amount and the marginal repugnant solution in which equilibrium consumption decreases with income. To avoid these...

An overlapping generations model of social security with labor and capital productivity shocks and demographic shocks is studied.