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Bank regulatory Capital Buffer and Liquidity: Evidence from US and European Publicly Traded Banks

  • Isabelle Distinguin


    (LAPE - Laboratoire d'Analyse et de Prospective Economique - UNILIM - Université de Limoges - IR SHS UNILIM - Institut Sciences de l'Homme et de la Société)

  • Caroline Roulet

    (LAPE - Laboratoire d'Analyse et de Prospective Economique - UNILIM - Université de Limoges - IR SHS UNILIM - Institut Sciences de l'Homme et de la Société)

  • Amine Tarazi


    (LAPE - Laboratoire d'Analyse et de Prospective Economique - UNILIM - Université de Limoges - IR SHS UNILIM - Institut Sciences de l'Homme et de la Société)

The theory of financial intermediation highlights various channels through which capital and liquidity are interrelated. Using a simultaneous equations framework, we investigate the relationship between bank regulatory capital buffer and liquidity for European and U.S. publicly traded commercial banks. Previous research studying the determinants of bank capital buffer has neglected the role of liquidity. On the whole, we find that banks do not strengthen their regulatory capital buffer when they face higher illiquidity as defined in the Basel III accords or when they create more liquidity as measured by Berger and Bouwman (2009). However, considering other measures of illiquidity that focus more closely on core deposits in the United States, our results show that small banks do actually strengthen their solvency standards when they are exposed to higher illiquidity. Our empirical investigation supports the need to implement minimum liquidity ratios concomitant to capital ratios, as stressed by the Basel Committee; however, our findings also shed light on the need to further clarify how to define and measure illiquidity and also on how to regulate large banking institutions, which behave differently than smaller ones.

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Paper provided by HAL in its series Working Papers with number hal-00918468.

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Date of creation: 2012
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Handle: RePEc:hal:wpaper:hal-00918468
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  1. Allen N. Berger & Nathan H. Miller & Mitchell A. Petersen & Raghuram G. Rajan & Jeremy C. Stein, 2002. "Does function follow organizational form? evidence from the lending practices of large and small banks," Proceedings 815, Federal Reserve Bank of Chicago.
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  4. Stolz, Stéphanie & Wedow, Michael, 2011. "Banks' regulatory capital buffer and the business cycle: Evidence for Germany," Journal of Financial Stability, Elsevier, vol. 7(2), pages 98-110, June.
  5. von Thadden, Ernst-Ludwig, 2004. "Bank capital adequacy regulation under the new Basel Accord," Journal of Financial Intermediation, Elsevier, vol. 13(2), pages 90-95, April.
  6. Jokipii, Terhi & Milne, Alistair, 2007. "The Cyclical Behaviour of European Bank Capital Buffers," SIFR Research Report Series 56, Institute for Financial Research.
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  16. Stolz, Stéphanie & Wedow, Michael, 2005. "Banks' regulatory capital buffer and the business cycle: evidence for German savings and cooperative banks," Discussion Paper Series 2: Banking and Financial Studies 2005,07, Deutsche Bundesbank, Research Centre.
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  18. Jokipii, Terhi & Milne, Alistair, 2011. "Bank capital buffer and risk adjustment decisions," Journal of Financial Stability, Elsevier, vol. 7(3), pages 165-178, August.
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  22. James Harvey & Kenneth Spong, 2001. "The decline in core deposits : what can banks do?," Financial Industry Perspectives, Federal Reserve Bank of Kansas City, issue Dec, pages 35-48.
  23. Deep, Akash & Schaefer, Guido, 2004. "Are Banks Liquidity Transformers?," Working Paper Series rwp04-022, Harvard University, John F. Kennedy School of Government.
  24. Fonseca, Ana Rosa & González, Francisco, 2010. "How bank capital buffers vary across countries: The influence of cost of deposits, market power and bank regulation," Journal of Banking & Finance, Elsevier, vol. 34(4), pages 892-902, April.
  25. Shehzad, Choudhry Tanveer & de Haan, Jakob & Scholtens, Bert, 2010. "The impact of bank ownership concentration on impaired loans and capital adequacy," Journal of Banking & Finance, Elsevier, vol. 34(2), pages 399-408, February.
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