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Intergenerational risksharing and equilibrium asset prices

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  • Campbell, John Y.
  • Nosbusch, Yves

Abstract

In the presence of overlapping generations, markets are incomplete because it is impossible to engage in risksharing trades with the unborn. In such an environment the government can use a social security system, with contingent taxes and benefits, to improve risksharing across generations. An interesting question is how the form of the social security system affects asset prices in equilibrium. In this paper we set up a simple model with two risky factors of production: human capital, owned by the young, and physical capital, owned by all older generations. We show that a social security system that optimally shares risks across generations exposes future generations to a share of the risk in physical capital returns. Such a system reduces precautionary saving and increases the risk-bearing capacity of the economy. Under plausible conditions it increases the riskless interest rate, lowers the price of physical capital, and reduces the risk premium on physical capital.

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Bibliographic Info

Article provided by Elsevier in its journal Journal of Monetary Economics.

Volume (Year): 54 (2007)
Issue (Month): 8 (November)
Pages: 2251-2268

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Handle: RePEc:eee:moneco:v:54:y:2007:i:8:p:2251-2268

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Web page: http://www.elsevier.com/locate/inca/505566

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  1. Bohn, Henning, 2009. "Intergenerational risk sharing and fiscal policy," Journal of Monetary Economics, Elsevier, vol. 56(6), pages 805-816, September.
  2. Dirk Krueger & Felix Kubler, 2006. "Pareto-Improving Social Security Reform when Financial Markets are Incomplete!?," American Economic Review, American Economic Association, vol. 96(3), pages 737-755, June.
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  6. John Y. Campbell & Yves Nosbusch, 2007. "Intergenerational Risksharing and Equilibrium Asset Prices," FMG Discussion Papers dp589, Financial Markets Group.
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  16. 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.
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Citations

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Cited by:
  1. Stephane Guibaud & Yves NOsbusch & Dimitri Vayanos, 2011. "Bond Market Clienteles, the Yield Curve and the Optimal Maturity Structure of Government Debt," FMG Discussion Papers dp669, Financial Markets Group.
  2. Campbell, John Y. & Nosbusch, Yves, 2007. "Intergenerational risksharing and equilibrium asset prices," Journal of Monetary Economics, Elsevier, vol. 54(8), pages 2251-2268, November.
  3. Glover, Andrew & Heathcote, Jonathan & Krueger, Dirk & Rios-Rull, Jose-Victor, 2014. "Intergenerational Redistribution in the Great Recession," Staff Report 498, Federal Reserve Bank of Minneapolis.
  4. Beetsma, Roel & Bovenberg, A Lans & Romp, Ward E, 2008. "Funded Pensions and Intergenerational and International Risk Sharing in General Equilibrium," CEPR Discussion Papers 7106, C.E.P.R. Discussion Papers.
  5. Devis Geron, 2009. "Social Security Incidence under Uncertainty Assessing Italian Reforms," CESifo Working Paper Series 2812, CESifo Group Munich.
  6. Carlsson, Evert & Erlandzon, Karl, 2006. "The Bright Side of Shiller-Swaps: A Solution to Inter-generational Risk-sharing," Working Papers in Economics 233, University of Gothenburg, Department of Economics, revised 24 Oct 2006.
  7. Luciano Greco, 2008. "A Note on Social Security and Public Debt," "Marco Fanno" Working Papers 0083, Dipartimento di Scienze Economiche "Marco Fanno".

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