This paper considers the possibility of letting a pay-go pension system mimic a fully funded pension system. Generically, it turns out to be impossible to make a less than fully funded pension system actuarially fair on average. But a non-funded pay-go pension system can provide an actuarially...

In this paper we analyse the effects of ageing in a small open economy with a representative government. More specific, we adress the question whether in case of ageing a transition from an unfunded to a more funded pension scheme is politically feasible. We show that the existence of a suitable...

Social security system old age insurance systems are devices for the sharing of income risks of elderly people with others. Risks can be shared intergenerationally (with the young of the same country), intragenerationally (with other elderly of the same country) or internationally (with...

In this paper, we modify the model of Benhabib and Laroque in which the behaviour of non steady-state equilibria in the neighborhood of the golden rule steady state are studied, to include liquidity constraints. We observe, in an example, the appearance of new cycles.