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Demographic changes and the implicit tax rate in a pay-as-you-go pension system

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  • Kifmann, Mathias
  • Schindler, Dirk

Abstract

We analyze the effects of a permanent increase in life expectancy and of a permanent decline in the rate of population growth on intergenerational redistribution in a pay-as-you-go pension system with a constant contribution or constant replacement rate. We show that under these policies both demographic changes increase the implicit tax rate of later-born generations to the pension system. In addition, we characterize policies which smooth the implicit tax rate. To reach this objective, generation-specific contribution or replacement rates are necessary. Partial funding of the pension system is indispensable if the rate of population growth falls. If life expectancy increases, the contribution rate fluctuates and may not converge to a new steady state value unless funded elements are introduced.

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  • Kifmann, Mathias & Schindler, Dirk, 2000. "Demographic changes and the implicit tax rate in a pay-as-you-go pension system," Discussion Papers, Series I 308, University of Konstanz, Department of Economics.
    • Handle: RePEc:zbw:kondp1:308
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    References listed on IDEAS

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    Cited by:

    1. Mathias Kifmann, 2001. "Langfristige Folgen einer Einbeziehung der Selbständigen in die gesetzliche Rentenversicherung," Discussion Papers of DIW Berlin 251, DIW Berlin, German Institute for Economic Research.
    2. Mathias Kifman & Dirk Schindler, 2001. "Smoothing the Implicit Tax Rate in a Pay-as-you-go Pension System," FinanzArchiv: Public Finance Analysis, Mohr Siebeck, Tübingen, vol. 57(3), pages 261-283, May.

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    More about this item

    Keywords

    Pay-as-You-Go; implicit tax rate; life expectancy; population growth;
    All these keywords.

    JEL classification:

    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
    • J18 - Labor and Demographic Economics - - Demographic Economics - - - Public Policy

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