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On Sustainable Pay‐as‐You‐Go Contribution Rules

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  • GABRIELLE DEMANGE

Abstract

An unfunded social security system faces the major risk, sometimes referred to as “political risk,” that future generations do not agree to contribute as much as expected. In order to account properly for this risk, the paper considers a political process in which the support to the system is asked from each new born generation. The analysis is conducted in an overlapping generations economy that is subject to macroeconomic shocks. As a consequence, the political support varies with the evolution of the economy. The impact of various factors—intragenerational redistribution, risk aversion, financial markets, governmental debt—on the political sustainability of a pay‐as‐you‐go system is discussed.

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  • Gabrielle Demange, 2009. "On Sustainable Pay‐as‐You‐Go Contribution Rules," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 11(4), pages 493-527, August.
    • Handle: RePEc:bla:jpbect:v:11:y:2009:i:4:p:493-527
    DOI: 10.1111/j.1467-9779.2009.01419.x
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    1. D'Amato, Marcello & Galasso, Vincenzo, 2010. "Political intergenerational risk sharing," Journal of Public Economics, Elsevier, vol. 94(9-10), pages 628-637, October.
    2. Corsini, Lorenzo & Spataro, Luca, 2011. "Optimal decisions on pension plans in the presence of financial literacy costs and income inequalities," MPRA Paper 30946, University Library of Munich, Germany.
    3. Romp, Ward & Beetsma, Roel, 2020. "Sustainability of pension systems with voluntary participation," Insurance: Mathematics and Economics, Elsevier, vol. 93(C), pages 125-140.
    4. Lorenzo Corsini & Luca Spataro, 2015. "Optimal Decisions on Pension Plans in the Presence of Information Costs and Financial Literacy," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 17(3), pages 383-414, June.
    5. Beetsma, Roel M.W.J. & Romp, Ward E. & Vos, Siert J., 2012. "Voluntary participation and intergenerational risk sharing in a funded pension system," European Economic Review, Elsevier, vol. 56(6), pages 1310-1324.
    6. Roel Beetsma & Ward Romp, 2013. "Participation Constraints in Pension Systems," Tinbergen Institute Discussion Papers 13-149/VI, Tinbergen Institute.
    7. Tim Worrall & Alessia Russo & Francesco Lancia, 2017. "Sustainable Intergenerational Insurance," 2017 Meeting Papers 319, Society for Economic Dynamics.
    8. Bielecki Marcin & Makarski Krzysztof & Tyrowicz Joanna, 2018. "Illusory Gains from Privatizing Social Security when Reform is Politically Unstable," Peace Economics, Peace Science, and Public Policy, De Gruyter, vol. 24(2), pages 1-12, May.
    9. Bahnsen, Lewe & Fetzer, Stefan & Franke, Fabian & Hagist, Christian, 2020. "Gone with the windfall – Germany's Second LTC Strengthening Act and its intergenerational implications," The Journal of the Economics of Ageing, Elsevier, vol. 17(C).
    10. Beetsma, R. & Romp, W., 2016. "Intergenerational Risk Sharing," Handbook of the Economics of Population Aging, in: Piggott, John & Woodland, Alan (ed.), Handbook of the Economics of Population Aging, edition 1, volume 1, chapter 0, pages 311-380, Elsevier.

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