This paper studies the determination of public investment in environmental quality when there are private alternatives. Public investment is chosen by majority voting. When consumption and environmental quality are complementary, one may observe a solution of the type ends against the middle

Population aging puts significant pressure on social security systems that are based mainly on a pay-as-you-go (PAYG) formula and determined by the political process in which both retirees and future retirees participate. This paper demonstrates that in an economic and demographic steady state,...

The European population is living longer but retiring earlier. More and more individuals are spending an increasing fraction of their life-time relying on retirement benefits. At the same time, social security programs face mounting financial difficulties. The purpose of this paper is to explain...