Bank capital regulation and risk after the Global Financial Crisis

Abstract

We explore and summarize the evolution in bank capital regulations and bank risk after the global financial crisis. Using a new survey of bank regulation and supervision covering more than 120 economies, we show that regulatory capital increased, but some elements of capital regulations became laxer. Analyzing bank-level data, we also document the importance of defining bank regulatory capital narrowly as the quality of capital matters in reducing bank risk. This is particularly true for banks that have more discretion in the computation of regulatory capital ratios and are subject to weaker market monitoring.