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Funded Pensions and Intergenerational and International Risk Sharing in General Equilibrium

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  • Beetsma, Roel
  • Bovenberg, A Lans
  • Romp, Ward E

Abstract

We explore intergenerational and international risk sharing in a general equilibrium multiple-country model with two-tier pensions systems. The exact design of the funded tier is key for the way in which risks are shared over the various generations. The laissez-faire market solution fails to provide an optimal allocation because the young cannot share in the risks. However, the existence of wage-indexed bonds combined with a pension system with a fully-funded second tier that pays defined wage-indexed benefits can reproduce the first best. If wage-indexed bonds are not available, mimicking the first best is not possible, except under special circumstances. We also explore whether national pension funds want to deviate from the first best by increasing domestic equity holdings. With wage-indexed bonds this incentive is absent, while there is indeed such an incentive when wage-indexed bonds do not exist.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 7106.

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Date of creation: Dec 2008
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Handle: RePEc:cpr:ceprdp:7106

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Keywords: defined wage-indexed benefits; funded pensions; overlapping generations; risk sharing; wage-indexed bonds;

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  1. Franklin Allen & Douglas Gale, 1995. "Financial markets, intermediaries, and intertemporal smoothing," Working Papers 95-4, Federal Reserve Bank of Philadelphia.
  2. Matsen, Egil & Thogersen, Oystein, 2004. "Designing social security - a portfolio choice approach," European Economic Review, Elsevier, vol. 48(4), pages 883-904, August.
  3. Ball, Laurence & Mankiw, N. Gregory, 2007. "Intergenerational Risk Sharing in the Spirit of Arrow, Debreu, and Rawls, with Applications to Social Security Design," Scholarly Articles 3443106, Harvard University Department of Economics.
  4. Alan J. Auerbach & Kevin A. Hassett, 2002. "Optimal Long-Run Fiscal Policy: Constraints, Preferences and the Resolution of Uncertainty," NBER Working Papers 9132, National Bureau of Economic Research, Inc.
  5. Roel Beetsma & Ward E. Romp & Siert J. Vos, 2008. "Intergenerational Risk Sharing, Pensions and Endogenous Labor Supply in General Equilibrium," CESifo Working Paper Series 2185, CESifo Group Munich.
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  9. Robert J. Shiller, 1998. "Social Security and Institutions for Intergenerational, Intragenerational, and International Risk Sharing," JCPR Working Papers 43, Northwestern University/University of Chicago Joint Center for Poverty Research.
  10. Oksanen, Heikki, 2006. "Actuarial Neutrality across Generations Applied to Public Pensions under Population Ageing: Effects on Government Finances and National Saving," Discussion Paper 284, Center for Intergenerational Studies, Institute of Economic Research, Hitotsubashi University.
  11. Teulings, Coen & de Vries, Casper G., 2003. "Generational Accounting, Solidarity and Pension Losses," IZA Discussion Papers 961, Institute for the Study of Labor (IZA).
  12. Bohn, Henning, 2009. "Intergenerational risk sharing and fiscal policy," Journal of Monetary Economics, Elsevier, vol. 56(6), pages 805-816, September.
  13. David Miles & Ales Cerny, 2006. "Risk, Return and Portfolio Allocation under Alternative Pension Systems with Incomplete and Imperfect Financial Markets," Economic Journal, Royal Economic Society, vol. 116(511), pages 529-557, 04.
  14. John Y. Campbell & Yves Nosbusch, 2007. "Intergenerational Risksharing and Equilibrium Asset Prices," FMG Discussion Papers dp589, Financial Markets Group.
  15. Dirk Krueger & Felix Kubler, 2002. "Intergenerational Risk-Sharing via Social Security when Financial Markets Are Incomplete," American Economic Review, American Economic Association, vol. 92(2), pages 407-410, May.
  16. De Jong, Frank, 2008. "Valuation of pension liabilities in incomplete markets," Journal of Pension Economics and Finance, Cambridge University Press, vol. 7(03), pages 277-294, November.
  17. Andreas Wagener, 2001. "On Intergenerational Risk Sharing within Social Security Schemes," CESifo Working Paper Series 499, CESifo Group Munich.
  18. repec:fth:iniesr:493 is not listed on IDEAS
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