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The effect of higher capital requirements on bank lending: the capital surplus matters

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  • Simona Malovaná

    (Czech National Bank
    Prague University of Economics and Business nám)

  • Dominika Ehrenbergerová

    (Czech National Bank
    Charles University Prague)

Abstract

The existing literature has displayed mixed results in terms of the relationship between tighter bank capital regulation and lending, which may be due to poor approximation of capital requirements. We emphasise the crucial role of the excess of bank capital over the minimum capital requirement, the capital surplus, in the transmission of more stringent capital regulation. Specifically, we explore the effect of higher capital requirements on bank credit growth in the Czech Republic, drawing on a unique confidential bank-level dataset. Our results indicate that higher additional capital requirements have a negative effect on the credit supply of banks maintaining lower capital surplus. We estimate the effect on annual credit growth to be between 1.2 and 1.8 pp, using a wide range of model specifications and estimation techniques. Furthermore, the relationship between the capital surplus and credit growth proves to be significant also at times of stable capital requirements, i.e., the capital surplus does not serve only as an intermediate channel of higher capital requirements.

Suggested Citation

  • Simona Malovaná & Dominika Ehrenbergerová, 2022. "The effect of higher capital requirements on bank lending: the capital surplus matters," Empirica, Springer;Austrian Institute for Economic Research;Austrian Economic Association, vol. 49(3), pages 793-832, August.
    • Handle: RePEc:kap:empiri:v:49:y:2022:i:3:d:10.1007_s10663-022-09536-x
    DOI: 10.1007/s10663-022-09536-x
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    More about this item

    Keywords

    Capital regulation; Capital surplus; Confidential bank-level data; Credit growth;
    All these keywords.

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • 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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