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Inequality and Social Security Reforms

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Author Info
Jean-Olivier Hairault () (CES - Centre d'économie de la Sorbonne - CNRS : UMR8174 - Université Panthéon-Sorbonne - Paris I, EEP-PSE - Ecole d'Économie de Paris - Paris School of Economics - Ecole d'Économie de Paris)
François Langot (PSE - Paris-Jourdan Sciences Economiques - CNRS : UMR8545 - Ecole des Hautes Etudes en Sciences Sociales (EHESS) - Ecole Nationale des Ponts et Chaussées - Ecole Normale Supérieure de Paris - ENS Paris)

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Abstract

This paper develops a quantitative Markovian overlapping generations model with altruistic individuals and incomplete financial markets in order to analyze the long-run distributional implications of two hypothetical public social security policy changes, made in response to impending future demographic shifts. The two policy changes considered are first, raising the tax rate while keeping the replacement rate constant and second, keeping the tax rate constant while lowering the replacement rate. Whereas this latter policy is detrimental to the relative situation of the retirees, the huge financial heterogeneity in the first scenario explains why the increase in the proportional labor tax is relatively badly absorbed by low-productivity workers, leading to an increase in welfare inequality. We show that the very popular idea that a more funded system would ineluctably lead to more inequalities in well-being can be justified only by focusing on the inequality of positions in case of general equilibrium.

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Paper provided by HAL in its series Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) with number halshs-00270290_v1.

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Date of creation: 2008
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Publication status: Published, Journal of Economic Dynamics and Control, 2008, 32, 2, 386-410
Handle: RePEc:hal:cesptp:halshs-00270290_v1

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Related research
Keywords: Inequality; social security reform; idiosyncratic uncer-tainty; incomplete markets; altruism;

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Edward C. Prescott, 2004. "Why do Americans work so much more than Europeans?," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Jul, pages 2-13. [Downloadable!]
    Other versions:
  2. Richard Rogerson, 2006. "Understanding Differences in Hours Worked," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 9(3), pages 365-409, July. [Downloadable!] (restricted)
  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. Mariacristina Nardi, 2004. "Wealth Inequality and Intergenerational Links," Review of Economic Studies, Blackwell Publishing, vol. 71, pages 743-768, 07. [Downloadable!] (restricted)
    Other versions:
  5. Mark Huggett & Gustavo Ventura, 1999. "On the Distributional Effects of Social Security Reform," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 2(3), pages 498-531, July. [Downloadable!] (restricted)
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  6. 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)
  7. David Domeij & Paul Klein, 2002. "Private Pensions: To What Extent Do They Account for Swedish Wealth Inequality?," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 5(3), pages 503-534, July. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Falilou Fall, 2004. "Pension reform, assets returns and wealth distribution," Cahiers de la Maison des Sciences Economiques v04033, Université Panthéon-Sorbonne (Paris 1). [Downloadable!]
  2. Falilou Fall, 2007. "Pension Reforms, Assets Returns and Wealth Distribution," Annales d'Economie et de Statistique, ADRES, issue 85, pages 03, Janvier-M. [Downloadable!]
  3. Vincent Touzé, 2005. "Fiscal incidence of unfunded pension system: an analytical investigation," Documents de Travail de l'OFCE 2005-03, Observatoire Francais des Conjonctures Economiques (OFCE). [Downloadable!]
  4. Christophe Hachon, 2008. "Redistribution, Pension Systems and Capital Accumulation," Financial Theory and Practice, Institute of Public Finance, vol. 32(3), pages 339-368. [Downloadable!]
    Other versions:
  5. Christophe Hachon, 2008. "Who Really Benefits from Pension Systems?," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00279651_v1, HAL. [Downloadable!]
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