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Are capital requirements on small business loans flawed?

Author

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  • Bams, Dennis
  • Pisa, Magdalena
  • Wolff, Christian C.P.

Abstract

We show that capital requirements on small business loans (SBL) based on Basel Committee’s Internal Ratings Based (IRB) rules are too high relative to those for corporate loans (CL), as they are not based on actual SBL data. We argue that SBL are not put on a level playing field with CL, whose requirements were calibrated on historical data. We show that such a discrepancy has real effects, as disproportionately high capital requirements are linked to lower credit availability for small businesses. In order to treat CL and SBL proportionately to their correlated credit risk, the IRB rules should require 45% lower capital requirements on the latter.

Suggested Citation

  • Bams, Dennis & Pisa, Magdalena & Wolff, Christian C.P., 2019. "Are capital requirements on small business loans flawed?," Journal of Empirical Finance, Elsevier, vol. 52(C), pages 255-274.
    • Handle: RePEc:eee:empfin:v:52:y:2019:i:c:p:255-274
    DOI: 10.1016/j.jempfin.2019.05.001
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    Citations

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    Cited by:

    1. Farkas, Walter & Fringuellotti, Fulvia & Tunaru, Radu, 2020. "A cost-benefit analysis of capital requirements adjusted for model risk," Journal of Corporate Finance, Elsevier, vol. 65(C).
    2. Mamatzakis, Emmanuel C. & Ongena, Steven & Tsionas, Mike G., 2021. "Does alternative finance moderate bank fragility? Evidence from the euro area," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 72(C).
    3. Dennis Bams & Magdalena Pisa & Christian C. P. Wolff, 2021. "Spillovers to small business credit risk," Small Business Economics, Springer, vol. 57(1), pages 323-352, June.
    4. Retselisitsoe I. Thamae & Nicholas M. Odhiambo, 2022. "The impact of bank regulation on bank lending: a review of international literature," Journal of Banking Regulation, Palgrave Macmillan, vol. 23(4), pages 405-418, December.

    More about this item

    Keywords

    Small business credit risk; IRB capital requirements; Asset correlations; Lending regulation;
    All these keywords.

    JEL classification:

    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • G2 - Financial Economics - - Financial Institutions and Services

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