This paper analyses whether the severe demographic change in Germany causes its high current account surpluses. An ageing population both increases the supply and lowers demand of capital in an economy. Due to a longer life span individuals save more. Fewer workers reduce the optimal capital...

Differences in life expectancy between high and low socioeconomic groups are often large and have widened recently in many countries. Such longevity gaps affect the actuarial fairness and progressivity of public pension systems. However, behavioral responses to longevity and policy complicate...

Ageing of most societies is driven by two factors: (1) birth rates are declining and (2) people are living longer. These developments have substantial effects on economies and, in particular, on the funding of our living standards in retirement. We develop an overlapping generation model in...