Feldstein [1985] posed the questions of what would be the optimal level of retirement benefit, and what would be the optimal mix between the pay-as-you-go system and the funded pension system under the assumption of an exogenous interest rate. We reconsider the problem with the addition of a...

In this paper I use a multi-period OLG model to study how a demographic shock is distributed among different generations. In particular, I investigate whether a funded pension system allows for a smoother adjustment than an unfunded system. The results suggest that the answer to this question...

Pension systems are under serious pressure worldwide. This pressure stems not only from the well-known trend of population aging, but also from those of increasing heterogeneity of the population and increasing labour mobility. The current economic crisis has aggravated these problems, thereby...