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Government Debt and Social Security in a Life-Cycle Economy

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Author Info
Mark Gertler

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Abstract

This paper develops a tractable overlapping generations model that is useful for analyzing both the short and long run impact of fiscal policy and social security. It modifies the Blanchard (1985)/Weil (1987) framework to allow for life/cycle behavior. This is accomplished by introducing random transition from work to retirement, and then from retirement to death. The transition probabilities may be picked to allow for realistic average lengths of life, work and retirement. The resulting framework is not appreciably more difficult to analyze than the standard Cass/Koopmans one sector growth model: Besides the capital stock, there is only one additional state variable: the distribution of wealth between workers and retirees. Under reasonable parameter values, government debt and social security have significant effects on capital intensity.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 6000.

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Date of creation: Apr 1997
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Handle: RePEc:nbr:nberwo:6000

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Find related papers by JEL classification:
E13 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Neoclassical
E60 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - General

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  1. John Y. Campbell & Robert J. Shiller, 1989. "The Dividend-Price Ratio and Expectations of Future Dividends and Discount Factors," NBER Working Papers 2100, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  2. Jagadeesh Gokhale & Laurence J. Kotlikoff & John Sabelhaus, 1996. "Understanding the Postwar Decline in U.S. Saving: A Cohort Analysis," NBER Working Papers 5571, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  3. Tjalling C. Koopmans, 1963. "On the Concept of Optimal Economic Growth," Cowles Foundation Discussion Papers 163, Cowles Foundation, Yale University. [Downloadable!]
  4. Blanchard, Olivier Jean & Kahn, Charles M, 1980. "The Solution of Linear Difference Models under Rational Expectations," Econometrica, Econometric Society, vol. 48(5), pages 1305-11, July. [Downloadable!] (restricted)
  5. Blanchard, Olivier J, 1985. "Debt, Deficits, and Finite Horizons," Journal of Political Economy, University of Chicago Press, vol. 93(2), pages 223-47, April. [Downloadable!] (restricted)
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  6. Weil, Philippe, 1990. "Nonexpected Utility in Macroeconomics," The Quarterly Journal of Economics, MIT Press, vol. 105(1), pages 29-42, February. [Downloadable!] (restricted)
  7. B. Douglas Bernheim, 1987. "Ricardian Equivalence: An Evaluation of Theory and Evidence," NBER Chapters, in: NBER Macroeconomics Annual 1987, Volume 2, pages 263-316 National Bureau of Economic Research, Inc. [Downloadable!]
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  8. Romer, D., 1988. "What Are The Costs Of Excessive Deficits?," Papers 14, Princeton, Woodrow Wilson School - Discussion Paper.
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  9. Farmer, Roger E A, 1990. "Rince Preferences," The Quarterly Journal of Economics, MIT Press, vol. 105(1), pages 43-60, February. [Downloadable!] (restricted)
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