This paper extends the Ramsey model's normative analysis to issues of generational welfare and intergenerational transfers. A planner, who maximizes the discounted welfare of an endless stream of generations, is intrinsically biased against larger cohorts, which are more costly to provide...

We evaluate several actual and hypothetical sustainable PAYGO pension structures, including: (1) versions of the US Social Security system with annual adjustments of taxes or benefits to maintain fiscal balance; (2) Sweden's Notional Defined Contribution system and several variants developed to...

This paper extends the Ramsey model's normative analysis to issues of generational welfare and intergenerational transfers. A planner, who maximizes the discounted welfare of an endless stream of generations, is intrinsically biased against larger cohorts, which are more costly to provide...

We propose a new microeconomic explanation for the divergent experiences of economies in forming human capital. We suggest that the positive effect of a longer life expectancy on human capital formation arises from two separate effects: a life expectancy effect and a prolonged intergenerational...