A pay-as-you-go (paygo) pension program may provide intergenerational pooling of risks to individuals' labor and capital income over the life cycle. By means of a model that provides illuminating closed form solutions, we demonstrate that the magnitude of the optimal paygo program and the nature...

We survey the effects of social security in the form of mandatory public pension programs on the intergenerational distribution of tax burdens, income, various risks and welfare. The first part considers basic theoretical concepts and highlight how the intergenerational effects of social...