JOURNAL ARTICLE
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Do We Need a Separate Banking System? An Assessment
Lang, Gunnar | Schröder, Michael
Credit and Capital Markets – Kredit und Kapital, Vol. 46 (2013), Iss. 3 : pp. 331–355
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Dr. Gunnar Lang, Centre for European Economic Research (ZEW), P.O. Box 10 34 43, 68034 Mannheim.
Prof. Dr. Michael Schröder, Centre for European Economic Research (ZEW), P.O. Box 10 34 43, 68034 Mannheim, Germany, and Frankfurt School of Finance & Management, Frankfurt/Main.
Abstract
Motivated by the current discussion on different separate banking systems, we provide an overview and assessment of the different proposed systems and outline their potential effects on systemic stability and the German banking sector. The results show that the various separate banking systems only play a minor role in reducing and limiting systemic risk. They only marginally contribute to solving conflicts of interest and can even be detrimental to banking business diversification. A separate banking system could, however, facilitate banking supervision and banking resolution by reducing the banking system's complexity. Furthermore, credible threats to not support investment banks with federal resources in times of crisis could lead to a more adequate incentives structure of suppliers of equity and debt capital. More efficient measures to further reduce systemic risk in the financial sector should, however, use different levers, such as additional minimum regulatory capital requirements. (G01, G18, G24)