"It is argued that the German pay-as-you-go-system is efficient in a present value sense but will nevertheless need the support of a funded system to avoid a financial crisis. The paper investigates the possibility of introducing obligatory private savings at a variable rate where the time path of the savings rate is chosen so as to stabilize the sum of this rate and the pay-as-you-go contribution rate, given the time path of pensions as defined in the present system."  MORE >>