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Non-commitment and savings in dynamic risk-sharing contracts

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  • Karine Gobert

    ()

  • Michel Poitevin

    ()

Abstract

We characterize the solution to a dynamic model of risk sharing under non-commitment when saving is possible. Savings can play two important roles. First savings can be used to smooth aggregate consumption across different periods. Second, when savings are observable, they can act as a collateral that can be seized in the case of default. This relaxes the non-commitment constraint. When the aggregate income is fixed or when one of the agent is risk neutral, the allocation tends to first-best consumption. When one of the agent is risk neutral, this convergence occurs in an expected finite number of periods. Copyright Springer-Verlag Berlin/Heidelberg 2006

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File URL: http://hdl.handle.net/10.1007/s00199-005-0624-7
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Bibliographic Info

Article provided by Springer in its journal Economic Theory.

Volume (Year): 28 (2006)
Issue (Month): 2 (06)
Pages: 357-372

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Handle: RePEc:spr:joecth:v:28:y:2006:i:2:p:357-372

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Keywords: Dynamic contracts; Risk sharing; Non-commitment; Savings.;

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References

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  1. Pishke, J.S., 1992. "Individual Income, Incomplete Information and Aggregate Consumption," Papers 9238, Tilburg - Center for Economic Research.
  2. Garcia, Rene & Lusardi, Annamaria & Ng, Serena, 1997. "Excess Sensitivity and Asymmetries in Consumption: An Empirical Investigation," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 29(2), pages 154-76, May.
  3. Ambarish, Ramasastry & John, Kose & Williams, Joseph, 1987. " Efficient Signalling with Dividends and Investments," Journal of Finance, American Finance Association, vol. 42(2), pages 321-43, June.
  4. Spear, Stephen E & Srivastava, Sanjay, 1987. "On Repeated Moral Hazard with Discounting," Review of Economic Studies, Wiley Blackwell, vol. 54(4), pages 599-617, October.
  5. Asheim, G.B. & Strand, J., 1989. "Long-Term Union-Firm Contracts," Papers 10-89, Norwegian School of Economics and Business Administration-.
  6. Ethan Ligon & Jonathan P Thomas & Tim Worrall, 1997. "Informal Insurance Arrangements in Village Economies," CRIEFF Discussion Papers 9705, Centre for Research into Industry, Enterprise, Finance and the Firm.
  7. Thomas, Jonathan & Worrall, Tim, 1988. "Self-enforcing Wage Contracts," Review of Economic Studies, Wiley Blackwell, vol. 55(4), pages 541-54, October.
  8. Angus Deaton, 1989. "Saving and Liquidity Constraints," NBER Working Papers 3196, National Bureau of Economic Research, Inc.
  9. Milton Harris & Bengt Holmstrom, 1981. "A Theory of Wage Dynamics," Discussion Papers 488, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  10. Schechtman, Jack, 1976. "An income fluctuation problem," Journal of Economic Theory, Elsevier, vol. 12(2), pages 218-241, April.
  11. Gauthier, Celine & Poitevin, Michel & Gonzalez, Patrick, 1997. "Ex Ante Payments in Self-Enforcing Risk-Sharing Contracts," Journal of Economic Theory, Elsevier, vol. 76(1), pages 106-144, September.
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Cited by:
  1. Zaki Wahhaj, 2008. "Social Norms and Individual Savings in the Context of Informal Insurance," CEDI Discussion Paper Series 08-20, Centre for Economic Development and Institutions(CEDI), Brunel University.
  2. Ethan Ligon & Jonathan P. Thomas & Tim Worrall, 2000. "Mutual Insurance, Individual Savings and Limited Commitment," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 3(2), pages 216-246, April.
  3. Ethan Ligon & Jonathan P Thomas & Tim Worrall, 1997. "Informal Insurance Arrangements in Village Economies," CRIEFF Discussion Papers 9705, Centre for Research into Industry, Enterprise, Finance and the Firm.
  4. Martin Boyer, M. & Gobert, Karine, 2009. "The impact of switching costs on vendor financing," Finance Research Letters, Elsevier, vol. 6(4), pages 236-241, December.
  5. Stefan Dercon & Tessa Bold, 2009. "Contract Design in Insurance Groups," Economics Series Working Papers 421, University of Oxford, Department of Economics.
  6. Dubois, Pierre, 2002. "Consommation, partage de risque et assurance informelle : développements théoriques et tests empiriques récents," L'Actualité Economique, Société Canadienne de Science Economique, vol. 78(1), pages 115-149, Mars.
  7. Karine Gobert, 2001. "Capital Structure and Risk Management," CIRANO Working Papers 2001s-51, CIRANO.

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