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This paper examines time-series and cross-country variations in default risk co-dependence in the global banking system. The authors construct a default risk measure for all publicly traded banks using the Merton contingent claim model, and examine the evolution of the correlation structure of default risk for more than 1,800 banks in more than 60 countries. They find that there has been a significant increase in default risk co-dependence over the three-year period leading to the financial crisis. They also find that countries that are more integrated, and that have liberalized financial systems and weak banking supervision, have higher co-dependence in their banking sector. The results support an increase in scope for intra-national supervisory co-operation, as well as capital charges for "too-connected-to-fail" institutions that can impose significant externalities.
Access to Finance --- Banking crises --- Banks & Banking Reform --- Debt Markets --- Default risk --- Distance-to-default --- Emerging Markets --- Finance and Financial Sector Development --- Financial Intermediation --- Private Sector Development --- Systemic risk --- Too big to fail
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This paper examines the association between the default risk of foreign bank subsidiaries and their parents during the global financial crisis, with the purpose of understanding what factors can help insulate affiliates from their parents. The paper finds evidence of a significant positive correlation between parent banks' and foreign subsidiaries' default risk. This correlation is lower for subsidiaries that have higher capital, retail deposit funding, and profitability ratios and that are more independently managed from their parents. Host country regulations also influence the extent to which shocks to the parents affect the subsidiaries' default risk. In particular, the correlation between the default risk of the subsidiary and the parent is lower for subsidiaries operating in countries that impose higher capital, reserve, provisioning, and disclosure requirements and tougher restrictions on bank activities.
Access to Finance --- Bank Subsidiaries --- Banking Crises --- Bankruptcy and Resolution of Financial Distress --- Banks and Banking Reform --- Corporate Law --- Debt Markets --- Default Risk --- Distance to Default --- Finance and Financial Sector Development --- Law and Development --- Merton Model --- Ring-Fencing
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This paper distinguishes among various types of capital and examines their effect on system-wide fragility. The analysis finds that higher quality forms of capital reduce the systemic risk contribution of banks, whereas lower quality forms can have a destabilizing impact, particularly during crisis periods. The impact of capital on systemic risk is less pronounced for smaller banks, for banks located in countries with more generous safety nets, and in countries with institutions that allow for better public and private monitoring of financial institutions. The results show that regulatory capital is effective in reducing systemic risk and that regulatory risk weights are correlated with higher future asset volatility, but this relationship is significantly weaker for larger banks. The paper also finds that increased regulatory risk-weights not correlated with future asset volatility increase systemic fragility. Overall, the results are consistent with the theoretical literature that emphasizes capital as a potential buffer in absorbing liquidity, information, and economic shocks reducing contagious defaults.
Access to Finance --- Bank Capital --- Banking Law --- Banks and Banking Reform --- Basel Capital --- Debt Markets --- Default --- Distance to Default --- Finance and Financial Sector Development --- Financial Intermediation --- Law and Development --- Merton Model --- Systemic Risk
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Using bank level measures of competition and co-dependence, the authors show a robust positive relationship between bank competition and systemic stability. Whereas much of the extant literature has focused on the relationship between competition and the absolute level of risk of individual banks, they examine the correlation in the risk taking behavior of banks, hence systemic risk. They find that greater competition encourages banks to take on more diversified risks, making the banking system less fragile to shocks. Examining the impact of the institutional and regulatory environment on systemic stability shows that banking systems are more fragile in countries with weak supervision and private monitoring, with generous deposit insurance and greater government ownership of banks, and public policies that restrict competition. Furthermore, lack of competition has a greater adverse effect on systemic stability in countries with low levels of foreign ownership, weak investor protections, generous safety nets, and where the authorities provide limited guidance for bank asset diversification.
Access to Finance --- Bank competition --- Bank concentration --- Banks & Banking Reform --- Credit risk --- Debt Markets --- Default risk --- Distance to default --- Emerging Markets --- Finance and Financial Sector Development --- Financial Intermediation --- Lerner index --- Merton model --- Private Sector Development --- Systemic risk
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