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Variable Retirement and the Effects of Social Insurance on Savings, Wealth, and Welfare

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Turnovsky, Stephen J.
Bruce, Neil

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Abstract

We construct a Blanchard-style overlapping generations model consisting of long-lived individuals who have uninsurable idiosyncratic risk resulting from uncertain retirement periods and medical costs in retirement. Without social insurance, such individuals must save for these eventualities. We examine the impact of pay-as-you-go social insurance policies (public pensions and medicare coverage) on individual and aggregate consumption, saving, and wealth levels as well as wealth distribution. We also derive expressions for optimal (Pareto improving) social insurance policies. --

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Paper provided by Kiel Institute for the World Economy in its series Economics Discussion Papers with number 2007-5.

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Date of creation: 2007
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Handle: RePEc:zbw:ifwedp:5519

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Find related papers by JEL classification:
D91 - Microeconomics - - Intertemporal Choice and Growth - - - Intertemporal Consumer Choice; Life Cycle Models and Saving
J20 - Labor and Demographic Economics - - Demand and Supply of Labor - - - General
E10 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - General

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  1. Paul A. Samuelson, 1958. "An Exact Consumption-Loan Model of Interest with or without the Social Contrivance of Money," Journal of Political Economy, University of Chicago Press, vol. 66, pages 467. [Downloadable!] (restricted)
  2. Feldstein, Martin & Liebman, Jeffrey B., 2002. "Social security," Handbook of Public Economics, in: A. J. Auerbach & M. Feldstein (ed.), Handbook of Public Economics, edition 1, volume 4, chapter 32, pages 2245-2324 Elsevier. [Downloadable!] (restricted)
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  3. Laurence Ball & N. Gregory Mankiw, 2001. "Intergenerational Risk Sharing in the Spirit of Arrow, Debreu, and Rawls, with Applications to Social Security Design," Harvard Institute of Economic Research Working Papers 1921, Harvard - Institute of Economic Research. [Downloadable!]
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  4. Gertler, Mark, 1999. "Government debt and social security in a life-cycle economy," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 50(1), pages 61-110, June. [Downloadable!] (restricted)
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  5. Melvin Stephens Jr. & Steven J. Haider, 2003. "Can Unexpected Retirement Explain The Retirement-Consumption Puzzle? Evidence For Subjective Retirement Expectations," Working Papers, Center for Retirement Research at Boston College 2003-15, Center for Retirement Research. [Downloadable!]
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