Pensions as a portfolio problem: fixed contribution rates vs. fixed replacement rates reconsidered
AbstractPay-as-you-go (PAYG) pension schemes can contribute to better intergenerational risk-sharing and diversification. However, different variants of PAYG schemes entail different properties in these respects. In a stochastic 2-OLG model we compare PAYG schemes with fixed contribution rates and such with fixed replacement rates. The literature has shown that the former are preferable to the later from an ex ante perspective. We derive the opposite result for the ex post perspective. Here, schemes with fixed replacement rates are unambiguously preferable: they enhance intergenerational risk-sharing, lead to a higher savings and higher utility levels. We further show that, from an ex ante (veil-of-ignorance), perspective both schemes are non-comparable if the effect that fixed-replacement schemes serve as an insurance device for old-age income is properly accounted for. Copyright Springer-Verlag Berlin Heidelberg 2003
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Bibliographic InfoArticle provided by Springer in its journal Journal of Population Economics.
Volume (Year): 16 (2003)
Issue (Month): 1 (02)
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Web page: http://link.springer.de/link/service/journals/00148/index.htm
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- JEL - Labor and Demographic Economics - - - - -
- cla - - - - - -
- H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
- G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
- D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
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