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Effects of equity capital on the interest rate and the demand for credit. Empirical evidence from Spanish banks

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  • Alfredo Martín-Oliver

    ()
    (Universitat de les Illes Balears)

  • Sonia Ruano

    ()
    (Banco de España)

  • Vicente Salas-Fumás

    (Universidad de Zaragoza)

Abstract

We examine the consequences of imposing higher capital requirements on banks (as under Basel III or, recently, in the case of large banks in the European context) for bank dynamics in complying with the new standards and for the long-term effects on bank lending rates and the demand for bank credit. The analysis combines econometric estimations of the determinants of equity capital ratios and lending rates with simulations of market equilibrium results for loan interest rates and the demand for bank credit, based on a parameterised model of the Spanish banking industry. We find that the gap between the target and the actual capital ratio is reduced by around 40% every year, mainly with retained earnings. We also find that raising the equity capital ratio by one percentage point increases bank lending rates by 4.2 basis points. Finally, the simulation exercise shows that the estimated increase in the cost of funds for banks associated with a one percentage point increase in the equity capital ratio leads to a fall of 0.8% in the total demand for bank credit. These results suggest that the social costs of higher equity capital requirements for banks are expected to be greater in the transition period, when banks are adjusting to the new standards, than in the steady state of the new industry equilibrium, when all banks comply with the new ratio

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File URL: http://www.bde.es/f/webbde/SES/Secciones/Publicaciones/PublicacionesSeriadas/DocumentosTrabajo/12/Fich/dt1218e.pdf
File Function: First version, April 2012
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Bibliographic Info

Paper provided by Banco de Espa�a in its series Banco de Espa�a Working Papers with number 1218.

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Length: 36 pages
Date of creation: Apr 2012
Date of revision:
Handle: RePEc:bde:wpaper:1218

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Keywords: Bank capital regulation; Basel III; bank lending rates; demand for credit;

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  1. David Miles & Jing Yang & Gilberto Marcheggiano, 2013. "Optimal Bank Capital," Economic Journal, Royal Economic Society, vol. 123(567), pages 1-37, 03.
  2. Gropp, Reint & Heider, Florian, 2009. "The determinants of bank capital structure," Working Paper Series 1096, European Central Bank.
  3. Admati, Anat R. & DeMarzo, Peter M. & Hellwig, Martin F. & Pfleiderer, Paul, 2010. "Fallacies, Irrelevant Facts, and Myths in the Discussion of Capital Regulation: Why Bank Equity Is Not Expensive," Research Papers 2065, Stanford University, Graduate School of Business.
  4. Shekhar Aiyar & Charles W. Calomiris & Tomasz Wieladek, 2012. "Does Macro-Pru Leak? Evidence from a UK Policy Experiment," NBER Working Papers 17822, National Bureau of Economic Research, Inc.
  5. Ignacio Hernando & Ernesto Villanueva, 2012. "The recent slowdown of bank lending in Spain: are supply-side factors relevant?," Banco de Espa�a Working Papers 1206, Banco de Espa�a.
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