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Collateral and Credit Supply


  • Joseph Atta-Mensah


The author examines the role of collateral in an environment where lenders and borrowers possess identical information and similar beliefs about its future value. Using option-pricing techniques, he shows that a secured loan contract is equivalent to a regular bond and an embedded option to the borrower to default. He finds that the lender will not advance to the borrower a loan that exceeds the market value of the collateral, and that the supply of loans increases with a rise in the market value of the collateral. Increases in the volatility of the value of the collateral, interest rate, and dividend rate of the collateral independently depress the loan supply. The author also derives the cost of a third-party guarantee of a loan and an implied risk premium.

Suggested Citation

  • Joseph Atta-Mensah, 2003. "Collateral and Credit Supply," Staff Working Papers 03-11, Bank of Canada.
  • Handle: RePEc:bca:bocawp:03-11

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    References listed on IDEAS

    1. Geske, Robert, 1979. "The valuation of compound options," Journal of Financial Economics, Elsevier, vol. 7(1), pages 63-81, March.
    2. Black, Jane & de Meza, David & Jeffreys, David, 1996. "House Price, the Supply of Collateral and the Enterprise Economy," Economic Journal, Royal Economic Society, vol. 106(434), pages 60-75, January.
    3. Besanko, David & Thakor, Anjan V., 1987. "Competitive equilibrium in the credit market under asymmetric information," Journal of Economic Theory, Elsevier, vol. 42(1), pages 167-182, June.
    4. Chan, Yuk-Shee & Kanatas, George, 1985. "Asymmetric Valuations and the Role of Collateral in Loan Agreements," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 17(1), pages 84-95, February.
    5. Berger, Allen N. & Udell, Gregory F., 1990. "Collateral, loan quality and bank risk," Journal of Monetary Economics, Elsevier, vol. 25(1), pages 21-42, January.
    6. Barro, Robert J, 1976. "The Loan Market, Collateral, and Rates of Interest," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 8(4), pages 439-456, November.
    7. Leeth, John D. & Scott, Jonathan A., 1989. "The Incidence of Secured Debt: Evidence from the Small Business Community," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 24(03), pages 379-394, September.
    8. Bester, Helmut, 1985. "Screening vs. Rationing in Credit Markets with Imperfect Information," American Economic Review, American Economic Association, vol. 75(4), pages 850-855, September.
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    Cited by:

    1. Orrillo, Jaime, 2005. "Collateral once again," Economics Letters, Elsevier, vol. 87(1), pages 27-33, April.

    More about this item


    Credit and credit aggregates; Economic models;

    JEL classification:

    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
    • E53 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Deposit Insurance
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing

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