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Retraites et croissance à long terme. Un essai de simulation

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  • Didier Blanchet

Abstract

[ger] Altersruhegelder und langfristiges Wachstum. Ein Simulationsversuch, . von Didier Blanchet.. . In diesem Artikel wird ein kleines Modell vorgestellt, mit dem einige Aspekte der derzeitigen Diskussion über die Zukunft der Alterssicherung untersucht werden können. Hierbei handelt es sich um ein neoklassisches Wachstumsmodell mit Produktivkapital und sich überlappenden Generationen. Unterschieden werden zwei Formen der Spartätigkeit, und zwar zum einen die herkömmliche Spartätigkeit, die nicht im Hinblick auf die Altersversorgung erfolgt, und zum anderen das Sparen zwecks Bildung einer Altersrente. Mit diesem Modell lassen sich dann die Komplementarität und die mögliche Konkurrenz zwischen diesen beiden Formen des Sparens untersuchen. Es zeigt außerdem die voraussichtliche Entwicklung ihres Ertrages infolge der demographischen Veränderungen auf und ermöglicht die Simulation einer Politik, die auf die Heraufsetzung des Rentenalters abzielt. [spa] Jubilaciones y crecimiento a largo plazo. Prueba de simulación, . por Didier Blanchet.. . En este artículo se presenta una pequeña maqueta destinada a aclarar diversos aspectos del debate sobre el futuro del sistema de jubilaciones. Se trata de un modelo de crecimiento neoclásico con capital productivo y generaciones imbricadas, en el cual se distinguen dos formas de ahorro: un ahorro de base, que no es motivado por la preparación de la jubilación, y un ahorro en previsión de la jubilación. Este modelo permite estudiar la complementaridad y la competencia potencial entre estas dos formas de ahorro. También muestra la influencia de las fluctuaciones demográficas en su rendimiento. Por último, permite simular las consecuencias de un aumento de la edad de jubilación. [eng] Retirement Pensions and Long-term Growth. A Tentative Simulation, . by Didier Blanchet.. . The small model described in this paper is used to highlight some aspects of the debate on the future of pension systems. It is a neo-classical growth model with productive capital and overlapping generations. It distinguishes two types of savings "structural" savings not motivated by life-cycle considerations, and savings for retirement, the rate of which is controlled exogenously. The model allows examination of the complementarity and potential conflict between these two sources of savings. It also shows how returns could change according to demographic fluctuations, and enables simulation of the consequences of an increased retirement age. [fre] Retraites et croissance à long terme. Un essai de simulation, . par Didier Blanchet.. . Cet article présente une petite maquette visant à éclairer quelques aspects du débat sur l'avenir des retraites. Il s'agit d'un modèle de croissance néo-classique avec capital productif et générations imbriquées. Il distingue deux formes d'épargne, une épargne de base qui n'est pas motivée par la préparation de la retraite, et une épargne-retraite. Ce modèle permet d'étudier la complémentarité et la concurrence éventuelle entre ces deux formes d'épargne. Il montre aussi comment leur rendement évoluerait avec les changements démographiques et permet de simuler une politique de remontée de l'âge de la retraite.

Suggested Citation

  • Didier Blanchet, 1992. "Retraites et croissance à long terme. Un essai de simulation," Économie et Prévision, Programme National Persée, vol. 105(4), pages 1-16.
  • Handle: RePEc:prs:ecoprv:ecop_0249-4744_1992_num_105_4_5298
    DOI: 10.3406/ecop.1992.5298
    Note: DOI:10.3406/ecop.1992.5298
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    References listed on IDEAS

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    1. Baranzini, Mauro, 1991. "A Theory of Wealth Distribution and Accumulation," OUP Catalogue, Oxford University Press, number 9780198233138.
    2. Blanchet, Didier & Kessler, Denis, 1991. "Optimal Pension Funding with Demographic Instability and Endogenous Returns on Investment," Journal of Population Economics, Springer;European Society for Population Economics, vol. 4(2), pages 137-154, May.
    3. Henri Sterdyniak & Gerard Cornilleau, 1991. "Assurer les retraites," Post-Print hal-03428491, HAL.
    4. Didier Blanchet, 1990. "Retraites par capitalisations et par répartition selon le contexte démographique: quelques résultats comparatifs," Annals of Economics and Statistics, GENES, issue 18, pages 63-90.
    5. Katheline Schubert & Pierre-Yves Letournel, 1991. "Un modèle d'équilibre général appliqué à l'étude de la fiscalité française," Économie et Prévision, Programme National Persée, vol. 98(2), pages 83-99.
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    Cited by:

    1. Pierre Villa, 2004. "Typologie et équivalence des systèmes de retraites," Working Papers 2004-09, CEPII research center.
    2. Stéphane Hamayon & Florence Legros, 2008. "La gestion stratégique d’actifs d’un fonds de réserve face au risque financier," Revue d'Économie Financière, Programme National Persée, vol. 7(1), pages 205-217.
    3. Didier Blanchet & Jean-Alain Monfort, 2002. "Croissance, transferts et inégalités entre générations," Économie et Prévision, Programme National Persée, vol. 154(3), pages 79-94.
    4. Mehdi Ben Braham, 2006. "Pension reform in emerging countries: Simulations on the Tunisian case," NFI Working Papers 2006-WP-06, Indiana State University, Scott College of Business, Networks Financial Institute.
    5. Thierry Chauveau & Rahim Loufir, 1994. "L'avenir du régime de retraite français : les enseignements d'un modèle à générations imbriquées," Revue Économique, Programme National Persée, vol. 45(3), pages 789-804.
    6. Mehdi Ben Braham, 2007. "Impact de l'introduction d'une dose de capitalisation en Tunisie : simulations à l'aide d'un modèle à générations imbriquées," Économie et Prévision, Programme National Persée, vol. 180(4), pages 189-199.
    7. repec:dau:papers:123456789/6479 is not listed on IDEAS
    8. Tahar Abdessalem & Houyem Chekki Cherni, 2011. "Macroeconomic Effects of Pension Reforms in the Context of Ageing Populations: Overlapping Generations Model Simulations for Tunisia," Working Papers 603, Economic Research Forum, revised 07 Jan 2011.
    9. Thierry Chauveau & Rahim Loufir, 1993. "Retraites et évolutions démographiques en France - Seconde partie : la transition," Revue de l'OFCE, Programme National Persée, vol. 47(1), pages 117-160.
    10. Jean Chateau, 2006. "Disparities in Pension Financing in Europe: Economic and Financial Consequences," Working Papers 2006-09, CEPII research center.
    11. Stéphane Hamayon & Florence Legros, 2001. "Construction and Impact of a Buffer Fund within the French PAYG Pension Scheme in a Demo-Economic Model," CESifo Working Paper Series 531, CESifo.

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