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Loan Pricing Under Basel Capital Requirements

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  • Repullo, Rafael
  • Suarez, Javier

Abstract

We analyse the implications for the pricing of bank loans of the reform of capital regulation known as Basel II. We consider a perfectly competitive market for business loans where, as in the model underlying the internal ratings based (IRB) approach of Basel II, a single risk factor explains the correlation in defaults across firms. Our loan pricing equation implies that low-risk firms will achieve reductions in their loan rates by borrowing from banks adopting the IRB approach, while high-risk firms will avoid increases in their loan rates by borrowing from banks that adopt the less risk-sensitive standardized approach of Basel II. We also show that only an extremely high social cost of bank failure might justify the proposed IRB capital charges for high-risk loans, partly because the margin income from performing loans is not counted as a buffer against credit losses, and we propose a margin income correction for IRB capital requirements.

Suggested Citation

  • Repullo, Rafael & Suarez, Javier, 2003. "Loan Pricing Under Basel Capital Requirements," CEPR Discussion Papers 3917, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:3917
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    References listed on IDEAS

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    More about this item

    Keywords

    bank regulation; capital requirements; credit risk; internal ratings; loan defaults; margin income;

    JEL classification:

    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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