The sustainability of a defined benefit pay-as-you-go (DBPAYG) pension system is investigated in the context of an overlapping-generations model of endogenous fertility with heterogeneous agents. The model places particular emphasis on the time costs of child rearing. It illustrates the...

The sustainability of a defined benefit pay-as-you-go (DBPAYG) pension system is investigated in the context of an overlapping-generations model of endogenous fertility with heterogeneous agents. The model places particular emphasis on the time costs of child rearing. It illustrates the...

Welfare comparisons between funded and pay-as-you-go (PAYG) pension systems are often made using the Aaron condition. However, the Aaron condition as usually stated is not precise enough about the exact form of the PAYG pension system. PAYG pension systems can be either of the defined-benefit or...

We investigate welfare and aggregate implications of a pay as you go (PAYG) social security system in a dynastic framework in which agents have self-control problems. The presence of these two additional factors at the same time affects individuals’ intertemporal decision problems in two...