Risk Sharing in Defined-Contribution Funded Pension Systems
22 Pages Posted: 23 Nov 2011
Date Written: November 23, 2011
Abstract
This paper explores the introduction of collective risk-sharing elements in defined contribution pension contracts. We consider status-contingent, age-contingent and asset contingent risk-sharing arrangements. All arrangements raise aggregate welfare, as measured by equivalent variations. While working individuals hardly benefit or may even lose, retirees experience substantial welfare gains. An increase in the tax deductability of pension contributions can be beneficial for working cohorts, but comes at the cost of a reduction in aggregate welfare due to efficiency losses.
Keywords: funded pensions, risk-sharing, defined contribution, inter-generational welfare, equivalent variation, stochastic simulations
JEL Classification: H550, I380, C610
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