Unsustainability of pension systems particularly in developed economies looms large on the horizon due to increasing life expectancy and continuous drop in fertility. In spite of a broad awareness of the issues, there is no consensus on appropriate remedy and little action. In this paper, I...

We analyze the effects of a permanent increase in life expectancy and of a permanent decline in the rate of population growth on intergenerational redistribution in a pay-as-you-go pension system with a constant contribution or constant replacement rate. We show that under these policies both...