A general conclusion of the theoretical literature on pensions is, confronted to an increased longevity, to encourage continued activity. This literature however assumes a perfect labour market. The central question addressed in this article is whether it is still desirable to increase the...

The aim of this paper is to better understand the impact of unemployment on the design of Pay-As-You-Go pension systems, in the context of population aging. We consider a model in which people differ according to age and face in every period a given probability of becoming unemployed. We first...

We extend the model of Schultz (1996) to a dynamic setting with no policy commitment. Two parties that compete for election must choose the level of provision of a public good as well as the tax payment needed to finance it. The cost of producing the good may be high or low and this information...