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Social Security with Rational and Hyperbolic Consumers

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Author Info
Hans Fehr (University of Wuerzburg)
Christian Habermann (MLP Wuerzburg)
Fabian Kindermann (University of Wuerzburg)

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Abstract

The present paper simulates the privatization of social security in an economy populated by overlapping generations of individuals that have time-consistent or time-inconsistent preferences, face mortality and individual income risk as well as borrowing constraints. We compute the transition path and compensate households in order to isolate the efficiency effects of the reforms. The model is calibrated to the German economy where the social security system offers little income insurance. Nevertheless, we find a positive role for social security due to the insurance provision against mortality risk and the provision of a commitment technology for present-biased consumers. In economies with rational consumers the elimination of social security yields an efficiency loss of roughly 0.6 percent of initial resources, while in economies with hyperbolic consumers the efficiency loss increases to 1.8 percent. (Copyright: Elsevier)

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File URL: http://dx.doi.org/10.1016/j.red.2008.03.001
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Publisher Info
Article provided by Elsevier for the Society for Economic Dynamics in its journal Review of Economic Dynamics.

Volume (Year): 11 (2008)
Issue (Month): 4 (October)
Pages: 884-903
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Handle: RePEc:red:issued:06-227

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Related research
Keywords: Social security reform Idiosyncratic uncertainty Hyperbolic consumers

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Find related papers by 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

References listed on IDEAS
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  1. Jay Hong & Jose-Victor Rios-Rull, 2006. "Social Security, Life Insurance and Annuities for Families," 2006 Meeting Papers 410, Society for Economic Dynamics. [Downloadable!]
    Other versions:
  2. Juan C. Conesa & Carlos Garriga, 2008. "Optimal Fiscal Policy In The Design Of Social Security Reforms," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 49(1), pages 291-318, 02. [Downloadable!] (restricted)
    Other versions:
  3. Storesletten, Kjetil & Telmer, Chris I. & Yaron, Amir, 1999. "The risk-sharing implications of alternative social security arrangements," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 50(1), pages 213-259, June. [Downloadable!] (restricted)
    Other versions:
  4. Shinichi Nishiyama and Kent Smetters, 2005. "Consumption Taxes and Economic Efficiency with Idiosyncratic Wage Shocks," Journal of Political Economy, University of Chicago Press, vol. 113(5), pages 1088-1115, October.
  5. Ayse Imrohoroglu & Selahattin Imrohoroglu & Douglas H. Joines, 1999. "Social Security in an Overlapping Generations Economy with Land," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 2(3), pages 638-665, July. [Downloadable!] (restricted)
    Other versions:
  6. Luisa Fuster & Ayse Imrohoroglu & Selahattin Imrohoroglu, 2004. "Elimination of Social Security in a Dynastic Framework," Macroeconomics 0402008, EconWPA. [Downloadable!]
    Other versions:
  7. Stephen G. Cecchetti & Pok-sang Lam & Nelson C. Mark, 2000. "Asset Pricing with Distorted Beliefs: Are Equity Returns Too Good to Be True?," American Economic Review, American Economic Association, vol. 90(4), pages 787-805, September. [Downloadable!] (restricted)
    Other versions:
  8. Juan A. Rojas & Carlos Urrutia, 2004. "Social Security Reform with Uninsurable Income Risk and Endogenous Borrowing Constraints," Working Papers 0409, Centro de Investigacion Economica, ITAM. [Downloadable!]
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  9. Luisa Fuster & Ayse Imrohoroglu & Selahattin Imrohoroglu, 2003. "A welfare analysis of social security in a dynastic framework," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 44(4), pages 1247-1274, November. [Downloadable!] (restricted)
  10. Juan C. Conesa & Dirk Krueger, 1999. "Social Security Reform with Heterogeneous Agents," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 2(4), pages 757-795, October. [Downloadable!] (restricted)
  11. Dirk Krueger & Felix Kubler, 2006. "Pareto-Improving Social Security Reform when Financial Markets are Incomplete!?," American Economic Review, American Economic Association, vol. 96(3), pages 737-755, June. [Downloadable!]
    Other versions:
  12. Shinichi Nishiyama & Kent Smetters, 2007. "Does Social Security Privatization Produce Efficiency Gains?," The Quarterly Journal of Economics, MIT Press, vol. 122(4), pages 1677-1719, November. [Downloadable!] (restricted)
    Other versions:
  13. Ted O'Donoghue & Matthew Rabin, 1999. "Doing It Now or Later," American Economic Review, American Economic Association, vol. 89(1), pages 103-124, March. [Downloadable!] (restricted)
  14. Robert Fenge & Silke Uebelmesser & Martin Werding, 2006. "On the Optimal Timing of Implicit Social Security Taxes Over the Life Cycle," FinanzArchiv: Public Finance Analysis, Mohr Siebeck, Tübingen, vol. 62(1), pages 68-107, March. [Downloadable!] (restricted)
  15. Fehr, Hans, 1999. "Welfare Effects of Dynamic Tax Reforms," Beiträge zur Finanzwissenschaft, Mohr Siebeck, Tübingen, edition 1, volume 5, number urn:isbn:9783161470165, Julio-Dic.
  16. Mariacristina De Nardi & Selahattin Imrohoroglu & Thomas J. Sargent, 1999. "Projected U.S. Demographics and Social Security," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 2(3), pages 575-615, July. [Downloadable!] (restricted)
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  17. George-Marios Angeletos et al., 2001. "The Hyberbolic Consumption Model: Calibration, Simulation, and Empirical Evaluation," Journal of Economic Perspectives, American Economic Association, vol. 15(3), pages 47-68, Summer. [Downloadable!] (restricted)
  18. Fehr, Hans, 2000. " Pension Reform during the Demographic Transition," Scandinavian Journal of Economics, Blackwell Publishing, vol. 102(3), pages 419-43, June. [Downloadable!] (restricted)
  19. Christian Habermann & Fabian Kindermann, 2007. "Multidimensional Spline Interpolation: Theory and Applications," Computational Economics, Springer, vol. 30(2), pages 153-169, September. [Downloadable!] (restricted)
  20. Ayse Imrohoroglu & Selahattin Imrohoroglu & Douglas H. Joines, 2000. "Time inconsistent preferences and Social Security," Discussion Paper / Institute for Empirical Macroeconomics 136, Federal Reserve Bank of Minneapolis. [Downloadable!]
    Other versions:
  21. Imrohoroglu, Ayse & Imrohoroglu, Selahattin & Joines, Douglas H, 1995. "A Life Cycle Analysis of Social Security," Economic Theory, Springer, vol. 6(1), pages 83-114, June.
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