Pension economics has traditionally guided pension policy with the help of formal models based on individuals who think in a life cycle context with perfect foresight, full information, and in a time-consistent manner. This paper sheds light on selected aspects of pension economics when these...

When the challenges of population aging are being debated, the uncertain future of pension systems is a topic of high priority and large controversy. The aim of this chapter is not to provide a “consensus view” on social security and public insurance in aging populations but to put structure...

This chapter reviews the literature on intergenerational risk sharing (IRS). We explore to what extent and how a market economy with an appropriate institutional setting can replicate a social planner's solution in models with increasing levels of complexity. In particular, we do this for...

This paper studies the effect of demographic change on national saving, global interest rates, and international capital flows, focusing on the role of the public pension system. We develop a small open economy overlapping generations model to illustrate the channels through which demographic...