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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)

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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Bibliographic 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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References

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Citations

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Cited by:
  1. Kumru, Cagri S. & Thanopoulos, Athanasios C., 2011. "Social security reform with self-control preferences," Journal of Public Economics, Elsevier, vol. 95(7-8), pages 886-899, August.
  2. Fehr, Hans & Jokisch, Sabine & Kallweit, Manuel & Kindermann, Fabian & Kotlikoff, Laurence J., 2013. "Generational Policy and Aging in Closed and Open Dynamic General Equilibrium Models," Handbook of Computable General Equilibrium Modeling, Elsevier.
  3. Cagri Seda Kumru & Athanasios C. Thanopoulos, 2009. "Social Security Reform and Temptation," CESifo Working Paper Series 2778, CESifo Group Munich.
  4. Hans Fehr & Manuel Kallweit & Fabian Kindermann, 2011. "Should Pensions be Progressive? Yes, at least in Germany!," CESifo Working Paper Series 3636, CESifo Group Munich.
  5. Hans Fehr & Johannes Uhde, 2013. "On the optimal design of pension systems," Empirica, Springer, vol. 40(3), pages 457-482, August.
  6. CREMER, Helmuth & PESTIEAU, Pierre, . "Myopia, redistribution and pensions," CORE Discussion Papers RP -2269, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  7. Jan Hagemejer & Krzysztof Makarski & Joanna Tyrowicz, 2013. "Efficiency of the pension reform: the welfare effects of various fiscal closures," Working Papers 2013-23, Faculty of Economic Sciences, University of Warsaw.
  8. Hans Fehr, 2009. "Computable Stochastic Equilibrium Models and Their Use in Pension- and Ageing Research," De Economist, Springer, vol. 157(4), pages 359-416, December.
  9. Fehr, Hans & Uhde, Johannes, 2012. "Optimal Pension Design in General Equlibrium," Annual Conference 2012 (Goettingen): New Approaches and Challenges for the Labor Market of the 21st Century 62024, Verein für Socialpolitik / German Economic Association.
  10. Hans Fehr & Manuel Kallweit & Fabian Kindermann, 2009. "Marital Risk, Family Insurance, and Public Policy," SOEPpapers on Multidisciplinary Panel Data Research 226, DIW Berlin, The German Socio-Economic Panel (SOEP).

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