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Risk Sharing in a Stochastic Overlapping Generations Economy

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  • Bohn, Henning

Abstract

This paper examines the impact of government policy on the allocation of aggregate risks in a stochastic OG model with production. The market allocation of risk depends significantly on the young generation’s willingness to substitute intertemporally and on government policy. Safe government debt shifts productivity risk from old to young while wage-indexed social security is essentially neutral. I also compare the market allocation to the efficient allocation of risk. The market allocation is generally inefficient, except for the special case of wage-proportional incomes and logarithmic utility. Safe government debt seems to shift risk in the wrong direction.

Suggested Citation

  • Bohn, Henning, 1998. "Risk Sharing in a Stochastic Overlapping Generations Economy," University of California at Santa Barbara, Economics Working Paper Series qt9r2809f0, Department of Economics, UC Santa Barbara.
  • Handle: RePEc:cdl:ucsbec:qt9r2809f0
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    Cited by:

    1. Henning Bohn, 2001. "Social Security and Demographic Uncertainty: The Risk-Sharing Properties of Alternative Policies," NBER Chapters,in: Risk Aspects of Investment-Based Social Security Reform, pages 203-246 National Bureau of Economic Research, Inc.
    2. Francisco J. Gomes & Laurence J. Kotlikoff & Luis M. Viceira, 2012. "The Excess Burden of Government Indecision," Tax Policy and the Economy, University of Chicago Press, vol. 26(1), pages 125-164.
    3. Andrew B. Abel, 2001. "The Social Security Trust Fund, the Riskless Interest Rate, and Capital Accumulation," NBER Chapters,in: Risk Aspects of Investment-Based Social Security Reform, pages 153-202 National Bureau of Economic Research, Inc.
    4. Lans Bovenberg & Harald Uhlig, 2008. "Pension Systems and the Allocation of Macroeconomic Risk," NBER Chapters,in: NBER International Seminar on Macroeconomics 2006, pages 241-344 National Bureau of Economic Research, Inc.
    5. G. M. Constantinides & J. B. Donaldson & R. Mehra, 2005. "Junior must pay: pricing the implicit put in privatizing Social Security," Annals of Finance, Springer, vol. 1(1), pages 1-34, January.
    6. Boldrin, Michele & Montes, Ana, 2015. "Modeling an immigration shock," European Economic Review, Elsevier, vol. 74(C), pages 190-206.
    7. Gabrielle Demange, 2005. "On sustainable pay as you go systems," PSE Working Papers halshs-00590859, HAL.
    8. D'Amato, Marcello & Galasso, Vincenzo, 2010. "Political intergenerational risk sharing," Journal of Public Economics, Elsevier, vol. 94(9-10), pages 628-637, October.
    9. 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.
    10. Mehlkopf, R.J., 2011. "Risk sharing with the unborn," Other publications TiSEM fe8a8df6-455f-4624-af10-9, Tilburg University, School of Economics and Management.
    11. Henning Bohn, 2001. "Retirement Savings in an Aging Society: A Case for Innovative Government Debt Management," CESifo Working Paper Series 494, CESifo Group Munich.
    12. Peter Diamond, 1998. "The Economics of Social Security Reform," NBER Working Papers 6719, National Bureau of Economic Research, Inc.
    13. 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.
    14. Olovsson, Conny, 2004. "The Welfare Gains of Improving Risk Sharing in Social Security," Seminar Papers 728, Stockholm University, Institute for International Economic Studies.
    15. Dirk Krueger, 2006. "Public Insurance against Idiosyncratic and Aggregate Risk: The Case of Social Security and Progressive Income Taxation," CESifo Economic Studies, CESifo, vol. 52(4), pages 587-620, December.
    16. Jermann, Urban J., 1999. "Social security and institutions for intergenerational, intragenerational, and international risk-sharing : A comment," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 50(1), pages 205-212, June.
    17. Shiller, Robert J., 1999. "Social security and institutions for intergenerational, intragenerational, and international risk-sharing," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 50(1), pages 165-204, June.
    18. Martin Barbie & Marcus Hagedorn & Ashok Kaul, 2006. "Fostering Within-Family Human-Capital Investment: An Intragenerational Insurance Perspective of Social Security," FinanzArchiv: Public Finance Analysis, Mohr Siebeck, Tübingen, vol. 62(4), pages 503-529, December.
    19. Barbie, Martin & Hagedorn, Marcus & Kaul, Ashok, 2001. "Government Debt as Insurance against Macroeconomic Risk," IZA Discussion Papers 412, Institute for the Study of Labor (IZA).
    20. Kent Smetters, 2001. "The Effect of Pay-When-Needed Benefit Guarantees on the Impact of Social Security Privatization," NBER Chapters,in: Risk Aspects of Investment-Based Social Security Reform, pages 91-112 National Bureau of Economic Research, Inc.
    21. Wolfgang Kuhle, 2014. "The Optimal Structure for Public Debt," Metroeconomica, Wiley Blackwell, vol. 65(2), pages 321-348, May.
    22. Alan J. Auerbach & Kevin A. Hassett, 1999. "Uncertainty and the Design of Long-Run Fiscal Policy," NBER Working Papers 7036, National Bureau of Economic Research, Inc.
    23. D'Amato, Marcello & Galasso, Vincenzo, 2002. "Aggregate Risk, Political Constraints and Social Security Design," CEPR Discussion Papers 3330, C.E.P.R. Discussion Papers.
    24. Martin Feldstein & Elena Ranguelova, 1998. "Individual Risk and Intergenerational Risk Sharing in an Investment-Based Social Security Program," NBER Working Papers 6839, National Bureau of Economic Research, Inc.

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    Keywords

    Risk; Sharing; Stochastic; Overlapping; Generations; Economy;

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