With the aging of populations, particularly in more developed countries, retirees are becoming a politically influential group. Government budgets have been feeling the strain on social insurance, health care, and other programs that benefit the elderly. Yet spending on these programs has often...

In this chapter, we analyse the effects of PAYG and funded pension systems on welfare. The debate on the choice between alternative systems focuses on their effects on savings, capital accumulation, labour supply, economic growth and inequality and the potential benefits of mixed systems in...