The paper discusses the consequences for the functioning of different pension systems of various types of socioeconomic changes, mainly demographic developments, variations in productivity growth and changes in real interest rates. Two of the pension systems have exogenous and four have...

We model the optimal reaction of a public PAYG pension system to demographic shocks. We compare the ex-ante first best and second best solution of a Ramsey planner with full commitment to the outcome under simple third best rules that mimic the pension systems observed in the real world. The...

In The Decline of the Welfare State, Assaf Razin and Efraim Sadka use a political economy framework to analyze the effects of aging populations, migration, and globalization on the deteriorating system of financing welfare state benefits as we know them. Their timely analysis, supported by a...