Pensions and Turbulence: Automatic Adjustment, Risk, and Fairness in Long-Term Pension Design

By Peter A. Diamond Public pension systems are long-term social contracts operating under persistent economic, demographic, and political uncertainty. Periods of turbulence, marked by financial shocks, changes in longevity, and shifting labour markets, test the capacity of pension institutions to adapt while maintaining adequacy, equity, and legitimacy. Building on earlier joint work on pension economics and reform with Nicholas Barr, this chapter analyses the role of automatic and semi-automatic adjustment mechanisms in public pension design. Drawing on comparative experience from...