We analyze the outcome of voting over the contribution to a pay-as-you-go (PAYG) pension system in the presence of financial and demographic shocks. The impact of shocks on pension contributions and benefits replicates major developments of pension systems around the world. A decrease in the...

We evaluate several actual and hypothetical sustainable PAYGO pension structures, including: (1) versions of the US Social Security system with annual adjustments of taxes or benefits to maintain fiscal balance; (2) Sweden's Notional Defined Contribution system and several variants developed to...

In classical pension design, there are essentially two kinds of pension schemes: Defined Benefit (DB) and Defined Contribution (DC) plans. Each scheme corresponds to a different philosophy of spreading risk between the stakeholders: in a DB, the main risks are taken by the organizer of the plan,...