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Replicating intergenerational longevity risk sharing in collective defined contribution pension plans using financial markets


  • Kurtbegu, Enareta


Intergenerational risk sharing is often seen as a strong point of the Dutch pension system. The ability to absorb financial and actuarial shocks through the funding ratio allows for the smoothing of returns over generations. Nevertheless, it implicitly means that generations subsidize each other, which has its disadvantages, especially in the light of incomplete contracts and situations of hard regulation constraints. This paper highlights the advantages of intergenerational risk sharing as a main characteristic in certain collective pension plans, investigating if and how much of this can be replicated by individual participation in the market. Using a stylized model based on different pension plans such as “hard”/“soft” defined benefit, collective/“pure” defined contribution, this paper identifies the effects of an increase in life-expectancy as one of the most important actual demographic shocks. The existence of regulatory constraints modifies agents’ behavior so that they tend to choose individual investment to ensure their retirement savings. In the absence of regulatory constraints, individual investment under-performs and highly replicates pension fund performance. Thus, choosing collective participation is more rational. Moreover, as the effect of the shock is decomposed, a discussion of the absorption heterogeneity by different plans is presented.

Suggested Citation

  • Kurtbegu, Enareta, 2018. "Replicating intergenerational longevity risk sharing in collective defined contribution pension plans using financial markets," Insurance: Mathematics and Economics, Elsevier, vol. 78(C), pages 286-300.
  • Handle: RePEc:eee:insuma:v:78:y:2018:i:c:p:286-300
    DOI: 10.1016/j.insmatheco.2017.09.010

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    References listed on IDEAS

    1. Broeders, D. & Ponds, E.H.M., 2012. "Dutch pension system reform – A step closer to the ideal system?," Other publications TiSEM 9d057b0e-edd6-48a5-b67d-c, Tilburg University, School of Economics and Management.
    2. Eduard Ponds & Bart van Riel, 2007. "The Recent Evolution of Pension Funds in the Netherlands: The Trend to Hybrid DB-DC Plans and Beyond," Working Papers, Center for Retirement Research at Boston College wp2007-9, Center for Retirement Research, revised Apr 2007.
    3. Laurence Ball & N. Gregory Mankiw, 2007. "Intergenerational Risk Sharing in the Spirit of Arrow, Debreu, and Rawls, with Applications to Social Security Design," Journal of Political Economy, University of Chicago Press, vol. 115(4), pages 523-547, August.
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    More about this item


    Pension plans; Individual investment; Intergeneration risk-sharing; Longevity; collective defined contribution; defined benefits; defined contribution;

    JEL classification:

    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
    • J26 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Retirement; Retirement Policies


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