A basic function of public pension systems is to guarantee a satisfactory old-age income for short-sighted low earners. In proportional (i.e., earnings-related) systems, this requires a sufficiently high contribution rate. At the same time, there should be a cap on the pension contribution base...

Throughout Europe today, the problems of employment and the prospects of pronounced demographic ageing combine to raise a number of questions on the future of pensions and on the underlying principles of redistribution between generations. Everywhere a new debate has arisen on intergenerational...