Pension systems are under serious pressure worldwide. This pressure stems not only from the well-known trend of population aging, but also from those of increasing heterogeneity of the population and increasing labour mobility. The current economic crisis has aggravated these problems, thereby...

This paper develops an analytical framework for the design of pension systems, taking the functions of the pension system as the guiding principle. It discusses the economic principles underlying these functions and their implementation in practice. In particular, it distinguishes three...

This paper takes stock of the evolution in pension systems and the challenges that remain for the future. It derives a typology of pension systems and uses this to discuss the strengths and weaknesses of alternative systems. After describing how pension systems in the industrial world have been...