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Parental altruism, life expectancy and dynamically inefficient equilibria

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  • d'Albis, Hippolyte
  • Decreuse, Bruno

Abstract

This paper presents a continuous time overlapping-generation (OLG) model which generalizes the Blanchard-Buiter-Weil model and clarifies the relationships between dynastic altruism, the length of planning horizons, and dynamic inefficiency. Our main innovation relies on the introduction of parental altruism, whose intensity is variable. We first show that parental altruism and life expectancy do favor overaccumulation. Second, we give a condition that explains why the Ramsey model may only display dynamic efficiency. These theoretical results are illustrated by a parameterization from US data. Our numerical exercises suggest that the US economy is dynamically efficient, mainly because of the shortness of life expectancy.

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Bibliographic Info

Article provided by Elsevier in its journal Journal of Economic Dynamics and Control.

Volume (Year): 33 (2009)
Issue (Month): 11 (November)
Pages: 1897-1911

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Handle: RePEc:eee:dyncon:v:33:y:2009:i:11:p:1897-1911

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Web page: http://www.elsevier.com/locate/jedc

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Keywords: Overlapping-generations models Productive capital Dynamic (in)efficiency Intergenerational altruism;

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  1. Balasko, Yves & Shell, Karl, 1980. "The overlapping-generations model, I: The case of pure exchange without money," Journal of Economic Theory, Elsevier, vol. 23(3), pages 281-306, December.
  2. Edward C. Prescott, 1986. "Theory ahead of business cycle measurement," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Fall, pages 9-22.
  3. Abel, Andrew B, et al, 1989. "Assessing Dynamic Efficiency: Theory and Evidence," Review of Economic Studies, Wiley Blackwell, vol. 56(1), pages 1-19, January.
  4. Shell, Karl, 1971. "Notes on the Economics of Infinity," Journal of Political Economy, University of Chicago Press, vol. 79(5), pages 1002-11, Sept.-Oct.
  5. Andrew B. Abel, . "Birth, Death and Taxes," Rodney L. White Center for Financial Research Working Papers 13-89, Wharton School Rodney L. White Center for Financial Research.
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  7. Buiter, Willem H, 1988. "Death, Birth, Productivity Growth and Debt Neutrality," Economic Journal, Royal Economic Society, vol. 98(391), pages 279-93, June.
  8. de la Croix,David & Michel,Philippe, 2002. "A Theory of Economic Growth," Cambridge Books, Cambridge University Press, number 9780521806428.
  9. Saint-Paul, Gilles, 1992. "Fiscal Policy in an Endogenous Growth Model," The Quarterly Journal of Economics, MIT Press, vol. 107(4), pages 1243-59, November.
  10. Barro, Robert J., 1974. "Are Government Bonds Net Wealth?," Scholarly Articles 3451399, Harvard University Department of Economics.
  11. Tirole, Jean, 1985. "Asset Bubbles and Overlapping Generations," Econometrica, Econometric Society, vol. 53(6), pages 1499-1528, November.
  12. Tjalling C. Koopmans, 1963. "On the Concept of Optimal Economic Growth," Cowles Foundation Discussion Papers 163, Cowles Foundation for Research in Economics, Yale University.
  13. Cass, David, 1972. "On capital overaccumulation in the aggregative, neoclassical model of economic growth: A complete characterization," Journal of Economic Theory, Elsevier, vol. 4(2), pages 200-223, April.
  14. Edmond S. Phelps, 1964. "Second Essay on the Golden Rule of Accumulation," Cowles Foundation Discussion Papers 173, Cowles Foundation for Research in Economics, Yale University.
  15. Okuno, Masahiro & Zilcha, Itzhak, 1980. "On the Efficiency of a Competitive Equilibrium in Infinite Horizon Monetary Economies," Review of Economic Studies, Wiley Blackwell, vol. 47(4), pages 797-807, July.
  16. Olivier J. Blanchard, 1984. "Debt, Deficits and Finite Horizons," NBER Working Papers 1389, National Bureau of Economic Research, Inc.
  17. Weil, Philippe, 1989. "Overlapping families of infinitely-lived agents," Journal of Public Economics, Elsevier, vol. 38(2), pages 183-198, March.
  18. Galor, Oded & Ryder, Harl E., 1991. "Dynamic efficiency of steady-state equilibria in an overlapping-generations model with productive capital," Economics Letters, Elsevier, vol. 35(4), pages 385-390, April.
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Cited by:
  1. Pierre Pestieau & Gregory Ponthiere, 2012. "The Public Economics of Increasing Longevity," Hacienda Pública Española, IEF, vol. 200(1), pages 41-74, March.
  2. repec:hal:wpaper:halshs-00676492 is not listed on IDEAS
  3. Hippolyte D'albis & Emmanuelle Augeraud-Véron, 2011. "Continuous-Time Overlapping Generations Models," Working Papers 246051, Institut National de la Recherche Agronomique, France.

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