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Payments Systems with Random Matching and Private Information

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  • Stephen D. Williamson

    (University of Iowa)

Abstract

A model of dynamic risk sharing is constructed where agents meet pairwise and at random, and there is private information about endowments. Risk sharing is accomplished through dynamic contracts involving credit transactions, and through monetary exchange. A Friedman rule is optimal, and solutions are computed. The welfare costs of inflation and the effects of inflation on the distribution of consumption and wealth are small for an economy calibrated to U.S. data. However, these effects are large when the credit system is relatively unsophisticated.

Suggested Citation

  • Stephen D. Williamson, 1998. "Payments Systems with Random Matching and Private Information," Game Theory and Information 9802004, University Library of Munich, Germany.
    • Handle: RePEc:wpa:wuwpga:9802004
    Note: Type of Document - PDF; prepared on Acrobat PDF; pages: 36 ; figures: included
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    References listed on IDEAS

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    1. Christopher Phelan & Robert M. Townsend, 1991. "Computing Multi-Period, Information-Constrained Optima," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 58(5), pages 853-881.
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    6. 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.
    7. Kiyotaki, Nobuhiro & Wright, Randall, 1989. "On Money as a Medium of Exchange," Journal of Political Economy, University of Chicago Press, vol. 97(4), pages 927-954, August.
    8. Lacker, Jeffrey M. & Schreft, Stacey L., 1996. "Money and credit as means of payment," Journal of Monetary Economics, Elsevier, vol. 38(1), pages 3-23, August.
    9. S. Rao Aiyagari & Stephen D. Williamson, 1999. "Credit in a Random Matching Model with Private Information," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 2(1), pages 36-64, January.
    10. Aiyagari, S. Rao & Williamson, Stephen, 1997. "Money, Credit, and Allocation Under Complete Dynamic Contracts and Incomplete Markets," Working Papers 97-20, University of Iowa, Department of Economics.
    11. Narayana R. Kocherlakota & Neil Wallace, 1997. "Optimal allocations with incomplete record-keeping and no commitment," Working Papers 578, Federal Reserve Bank of Minneapolis.
    12. Freeman, Scott, 1996. "The Payments System, Liquidity, and Rediscounting," American Economic Review, American Economic Association, vol. 86(5), pages 1126-1138, December.
    13. Trejos, Alberto & Wright, Randall, 1995. "Search, Bargaining, Money, and Prices," Journal of Political Economy, University of Chicago Press, vol. 103(1), pages 118-141, February.
    14. Dotsey, Michael & Ireland, Peter, 1996. "The welfare cost of inflation in general equilibrium," Journal of Monetary Economics, Elsevier, vol. 37(1), pages 29-47, February.
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    Cited by:

    1. S. Rao Aiyagari & Stephen D. Williamson, 1999. "Credit in a Random Matching Model with Private Information," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 2(1), pages 36-64, January.
    2. Li, Shuyun May, 2013. "Optimal lending contracts with long run borrowing constraints," Journal of Economic Dynamics and Control, Elsevier, vol. 37(5), pages 964-983.
    3. Stephen Williamson, 2000. "The Research Agenda: Payment Systems and Private Money," EconomicDynamics Newsletter, Review of Economic Dynamics, vol. 2(1), November.
    4. Temzelides, Ted & Williamson, Stephen D., 2001. "Payments Systems Design in Deterministic and Private Information Environments," Journal of Economic Theory, Elsevier, vol. 99(1-2), pages 297-326, July.
    5. Ed Nosal & Guillaume Rocheteau, 2006. "The economics of payments," Policy Discussion Papers, Federal Reserve Bank of Cleveland, issue Feb.
    6. Williamson, Stephen D., 2003. "Payments systems and monetary policy," Journal of Monetary Economics, Elsevier, vol. 50(2), pages 475-495, March.

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    More about this item

    Keywords

    97-21;

    JEL classification:

    • C7 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty

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