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Systemic risk, bank charter value, capital structure and international complexity : evidence from developed countries

Abstract : The aim of this thesis is to contribute on the current debate on the systemic risk and its policy implications for the implementation of new (systemic risk-based) capital requirements in the banking industry. We extend the existing literature in many aspects. In the first chapter, we investigate how bank charter value affects risk for a sample of OECD banks by using standalone and systemic risk measures before, during, and after the global financial crisis of 2007–2008. We revisit the self‐discipline role of charter value on bank’s risk-taking and systemic risk prior, during and after the crisis. We show that bank charter value is positively associated with risk-taking and systemic risk for very large “too-big-too-fail” banks and large U.S. and European banks prior to the crisis, but such a relationship is inverted during and after the crisis. Then, we deepen investigation on this relation between charter value and risk-taking and systemic risk prior to the crisis, regarding differences in risk taking cultures, bank size and bank strategies. The second chapter analyzes the dynamics of banks’ capital structure towards their desired and/or imposed capital level. It analyzes several interesting features. (i) whether or not market frictions and capital adjustment costs are larger for regulatory capital ratios vis-à-vis a plain leverage ratio. (ii) which adjustment channels banks use to adjust their capital ratio. (iii) how the speed of adjustment and adjustment channels differ between large, systemic and complex banks versus small banks. Findings suggest that banks are more flexible and faster in adjusting to their leverage capital ratio than to regulatory capital ratios. Whereas, systemically important banks are slower than other banks in adjusting to their target leverage ratio but quicker in reaching their target regulatory ratios. Further explores show that SIFIs might be more reluctant to change their capital base by either issuing or repurchasing equity and prefer sharper downsizing or faster expansion. In the third chapter, we analyze how the international organization structure and the geographic expansion, of 105 European listed banks that have foreign affiliates around the world, could affect bank level measures of systemic risk during the 2005–2013 period. We also investigate how the peak of the global financial crisis of 2008–2009 and the height of the European sovereign debt crisis of 2010–2011 might have affected such relationships. We find that internationalization and foreign complexity are important drivers of bank systemic risk, particularly during the 2008–2013 financial stress years.
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Submitted on : Thursday, August 30, 2018 - 5:57:05 PM
Last modification on : Friday, March 6, 2020 - 2:07:11 AM


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  • HAL Id : tel-01865073, version 1



Yassine Bakkar. Systemic risk, bank charter value, capital structure and international complexity : evidence from developed countries. Economics and Finance. Université de Limoges, 2018. English. ⟨NNT : 2018LIMO0002⟩. ⟨tel-01865073⟩



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