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Intergenerational Risk Sharing, Stability and Optimality of Alternative Pension Systems
Stockholm University, Faculty of Social Sciences, Institute for International Economic Studies.
Stockholm University, Faculty of Social Sciences, Institute for International Economic Studies.
1997 (English)Report (Other academic)
Abstract [en]

In an analysis of the risk-sharing properties of different types of pension systems, we show that only a fixed-fee pay-as-you-go (PAYG) pension systems can provide intergenerational risk sharing for living individuals. Under some circumstances, however, other PAYG pensions systems can enhance the expected welfare of all generations by reducing intergenerational income variability. We derive conditions for this to occur. We also analyze the stability of actuarially far PAYG pensions systems. It is shown that if an actuarially fair pension with a non-balanced budget system is dynamically stable, its accumulated surpluses will converge to the same fund as in a fully funded system. We also show that the welfare loss due to labor market distortions will, surprisingly, increase if the implicit marginal return in a compulsory system raised above the average return.

Place, publisher, year, edition, pages
Stockholm: IIES , 1997. , 37 p.
Seminar Paper / Institute for International Economic Studies, Stockholm University, ISSN 0347-8769 ; 631
Keyword [en]
Pension systems, Pay-as-you-go, intergenerational
National Category
URN: urn:nbn:se:su:diva-40995OAI: diva2:327688
Available from: 2010-06-30 Created: 2010-06-30 Last updated: 2010-07-02Bibliographically approved

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Hassler, JohnLindbeck, Assar
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