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Credit in a Random Matching Model With Private Information

  • S. Rao Aiyagari

    (University of Rochester)

  • Stephen D. Williamson

    (University of Iowa)

We consider a random matching model without monetary exchange where agents have complete access to each others’ histories. Exchange is motivated by risk sharing given random unobservable incomes. There is capital accumulation and an endogenous interest rate. The key feature of this environment is that information is mobile across location even while goods are not. Optimal allocations in the dynamic private information resemble real-world credit arrangements in that there are credit balances, credit limits, and installment payments. The steady state has the property that there is a limiting distribution of expected utility entitlements with mobility and a positive fraction of agents who are credit constrained.

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Paper provided by EconWPA in its series Game Theory and Information with number 9705005.

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Date of creation: 30 May 1997
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Handle: RePEc:wpa:wuwpga:9705005
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  1. Andrew Atkeson & Robert E Lucas, 2010. "On Efficient Distribution with Private Information," Levine's Working Paper Archive 2179, David K. Levine.
  2. Williamson, Stephen, 1997. "Payments Systems with Random Matching and Private Information," Working Papers 97-21, University of Iowa, Department of Economics.
  3. Steve Williamson & Randall Wright, 1991. "Barter and monetary exchange under private information," Staff Report 141, Federal Reserve Bank of Minneapolis.
  4. Aubhik Khan & B. Ravikumar, 1999. "Growth and risk-sharing with private information," Working Papers 99-12, Federal Reserve Bank of Philadelphia.
  5. Wang, Cheng, 1995. "Dynamic Insurance with Private Information and Balanced Budgets," Review of Economic Studies, Wiley Blackwell, vol. 62(4), pages 577-95, October.
  6. Thomas, Jonathan & Worrall, Tim, 1990. "Income fluctuation and asymmetric information: An example of a repeated principal-agent problem," Journal of Economic Theory, Elsevier, vol. 51(2), pages 367-390, August.
  7. Townsend, Robert M, 1982. "Optimal Multiperiod Contracts and the Gain from Enduring Relationships under Private Information," Journal of Political Economy, University of Chicago Press, vol. 90(6), pages 1166-86, December.
  8. Christopher Phelan & Robert M Townsend, 2010. "Computing Multi-Period, Information Constrained Optima," Levine's Working Paper Archive 117, David K. Levine.
  9. S. Rao Aiyagari, 1993. "Uninsured idiosyncratic risk and aggregate saving," Working Papers 502, Federal Reserve Bank of Minneapolis.
  10. 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.
  11. Kocherlakota, Narayana R., 1998. "Money Is Memory," Journal of Economic Theory, Elsevier, vol. 81(2), pages 232-251, August.
  12. Phelan Christopher, 1995. "Repeated Moral Hazard and One-Sided Commitment," Journal of Economic Theory, Elsevier, vol. 66(2), pages 488-506, August.
  13. Aiyagari, S. Rao & Williamson, Stephen D., 2000. "Money and Dynamic Credit Arrangements with Private Information," Journal of Economic Theory, Elsevier, vol. 91(2), pages 248-279, April.
  14. S. Rao Aiyagari & Neil Wallace, 1991. "Existence of steady states with positive consumption in the Kiyotaki-Wright model," Working Papers 428, Federal Reserve Bank of Minneapolis.
  15. Aubhik Khan & B. Ravikumar, 2002. "Enduring relationships in an economy with capital," Working Papers 02-5, Federal Reserve Bank of Philadelphia.
  16. Kiyotaki, Nobuhiro & Wright, Randall, 1993. "A Search-Theoretic Approach to Monetary Economics," American Economic Review, American Economic Association, vol. 83(1), pages 63-77, March.
  17. Atkeson Andrew & Lucas Jr. , Robert E., 1995. "Efficiency and Equality in a Simple Model of Efficient Unemployment Insurance," Journal of Economic Theory, Elsevier, vol. 66(1), pages 64-88, June.
  18. Kiyotaki, Nobuhiro & Wright, Randall, 1989. "On Money as a Medium of Exchange," Journal of Political Economy, University of Chicago Press, vol. 97(4), pages 927-54, August.
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