Bank Capital: Lessons from the Financial Crisis. Policy Research Working Paper 5473.

Abstract

Using a multi-country panel of banks, the authors study whether better capitalized banks fared better in terms of stock returns during the financial crisis. They differentiate among various types of capital ratios: the Basel risk-adjusted ratio; the leverage ratio; the Tier I and Tier II ratios; and the common equity ratio. They find several results: (i) before the crisis, differences in capital did not affect subsequent stock returns; (ii) during the crisis, higher capital resulted in better stock performance, most markedly for larger banks and less well-capitalized banks; (iii) the relationship between stock returns and capital is stronger when capital is measured by the leverage ratio rather than the risk-adjusted capital ratio; (iv) there is evidence that higher quality forms of capital, such as Tier 1 capital, were more relevant. They also examine the relationship between bank capitalization and credit default swap (CDS) spreads.

Citation

Demirguc-Kunt, A.; Detragiache, E.; Merrouche, O. Bank Capital: Lessons from the Financial Crisis. Policy Research Working Paper 5473. World Bank, Washington DC, USA (2010) 34 pp.

Bank Capital: Lessons from the Financial Crisis. Policy Research Working Paper 5473.

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