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Increasing life expectancy and NDC pension systems

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  • KNELL, MARKUS

Abstract

In this paper, I study how pay-as-you-go pension systems of the notional defined contribution type can be designed such that they remain financially stable in the presence of increasing life expectancy. For this to happen three crucial parameters must be set in an appropriate way: the notional interest rate, the adjustment rate and the annuity conversion factor. I show that there exist two main approaches to implement a stable system. The first uses period-specific annuitization and indexation rates that correct for labor force increases, which are only due to rises in the retirement age which are necessary to ‘neutralize’ the increase in life expectancy. The second approach uses cohort-specific annuitization and indexation rates that are larger than in a stationary situation. This is due to the fact that a continuously increasing life expectancy leads to higher internal rates of return that can be passed on via the indexation.

Suggested Citation

  • Knell, Markus, 2018. "Increasing life expectancy and NDC pension systems," Journal of Pension Economics and Finance, Cambridge University Press, vol. 17(2), pages 170-199, April.
    • Handle: RePEc:cup:jpenef:v:17:y:2018:i:02:p:170-199_00
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    Cited by:

    1. Andras Simonovits, 2018. "The best indexation of public pensions: the point system," CERS-IE WORKING PAPERS 1815, Institute of Economics, Centre for Economic and Regional Studies.
    2. Carlos Vidal-Meliá & Manuel Ventura-Marco & Juan Manuel Pérez-Salamero González, 2018. "Social Insurance Accounting for a Notional Defined Contribution Scheme Combining Retirement and Long-Term Care Benefits," Sustainability, MDPI, vol. 10(8), pages 1-36, August.
    3. András Simonovits, 2020. "Indexing Public Pensions in Progress to Wages or Prices," Central European Journal of Economic Modelling and Econometrics, Central European Journal of Economic Modelling and Econometrics, vol. 12(2), pages 171-194, June.
    4. Carlos Vidal-Meliá & Manuel Ventura-Marco & Juan Manuel Pérez-Salamero González, 2018. "Actuarial accounting for a notional defined contribution scheme combining retirement and longterm care benefits," Documentos de Trabajo del ICAE 2018-16, Universidad Complutense de Madrid, Facultad de Ciencias Económicas y Empresariales, Instituto Complutense de Análisis Económico.
    5. Hind El-Houjjaji & Abdellah Echaoui, 2020. "Notional Defined Contribution Accounts: An Application To Morocco," Review of Economic and Business Studies, Alexandru Ioan Cuza University, Faculty of Economics and Business Administration, issue 25, pages 93-108, June.
    6. Andras Simonovits, 2020. "Indexing public pensions in progress to wages or prices," CERS-IE WORKING PAPERS 2015, Institute of Economics, Centre for Economic and Regional Studies.
    7. Anne M. Garvey & Manuel Ventura-Marco & Carlos Vidal-Meliá, 2021. "Does the pension system’s income statement really matter? A proposal for an NDC scheme with disability and minimum pension benefits," Economic Research-Ekonomska Istraživanja, Taylor & Francis Journals, vol. 34(1), pages 292-310, January.
    8. Andras Simonovits, 2018. "Forced reduction of pension contribution rate?," CERS-IE WORKING PAPERS 1811, Institute of Economics, Centre for Economic and Regional Studies.
    9. Simonovits, András, 2019. "Merev vagy rugalmas nyugdíjkorhatár? Áttekintés [Rigid versus flexible retiring age: a survey]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(4), pages 345-375.
    10. Simonovits, András, 2018. "Miért kell a nyugdíj-valorizálást és -indexálást pontrendszerrel felváltani? [Why should valorisation and indexing pensions be replaced by a points system?]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(9), pages 903-922.

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