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Macroprudential Regulation and Systemic Capital Requirements

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  • Celine Gauthier
  • Alfred Lehar
  • Moez Souissi

Abstract

In the aftermath of the financial crisis, there is interest in reforming bank regulation such that capital requirements are more closely linked to a bank's contribution to the overall risk of the financial system. In our paper we compare alternative mechanisms for allocating the overall risk of a banking system to its member banks. Overall risk is estimated using a model that explicitly incorporates contagion externalities present in the financial system. We have access to a unique data set of the Canadian banking system, which includes individual banks' risk exposures as well as detailed information on interbank linkages including OTC derivatives. We find that systemic capital allocations can differ by as much as 50% from 2008Q2 capital levels and are not related in a simple way to bank size or individual bank default probability. Systemic capital allocation mechanisms reduce default probabilities of individual banks as well as the probability of a systemic crisis by about 25%. Our results suggest that financial stability can be enhanced substantially by implementing a systemic perspective on bank regulation.

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Bibliographic Info

Paper provided by Bank of Canada in its series Working Papers with number 10-4.

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Length: 37 pages
Date of creation: 2010
Date of revision:
Handle: RePEc:bca:bocawp:10-4

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Keywords: Financial stability;

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Cited by:
  1. Carlos Castro & Stijn Ferrari, 2011. "Measuring and testing for the systemically important financial institutions," DOCUMENTOS DE TRABAJO 008779, UNIVERSIDAD DEL ROSARIO.
  2. Ramon Moreno, 2011. "Policymaking from a "macroprudential" perspective in emerging market economies," BIS Working Papers 336, Bank for International Settlements.
  3. Michael Keen, 2011. "The Taxation and Regulation of Banks," IMF Working Papers 11/206, International Monetary Fund.
  4. Drehmann, Mathias & Tarashev, Nikola, 2013. "Measuring the systemic importance of interconnected banks," Journal of Financial Intermediation, Elsevier, vol. 22(4), pages 586-607.
  5. Mauricio Arias & Juan Carlos Mendoza & David Perez-Reyna, 2011. "Applying CoVaR to measure systemic market risk: the Colombian case," IFC Bulletins chapters, in: Bank for International Settlements (ed.), Proceedings of the IFC Conference on "Initiatives to address data gaps revealed by the financial crisis", Basel, 25-26 August 2010, volume 34, pages 351-364 Bank for International Settlements.
  6. Trapp, Monika & Wewel, Claudio, 2013. "Transatlantic systemic risk," Journal of Banking & Finance, Elsevier, vol. 37(11), pages 4241-4255.
  7. Christian Calmès & Raymond Théoret, 2012. "Bank systemic risk and the business cycle: Canadian and U.S. evidence," RePAd Working Paper Series UQO-DSA-wp022012, Département des sciences administratives, UQO.
  8. Areski Cousin & Elena Di Bernadino, 2013. "On Multivariate Extensions of Value-at-Risk," Working Papers hal-00638382, HAL.
  9. Sigbjørn Atle Berg, 2011. "Systemic surcharges and measures of systemic importance," Journal of Financial Regulation and Compliance, Emerald Group Publishing, vol. 19(4), pages 383-395, November.
  10. Areski Cousin & Elena Di Bernadino, 2011. "On Multivariate Extensions of Value-at-Risk," Papers 1111.1349, arXiv.org, revised Apr 2013.
  11. Radu CUHAL & Ludmila STARIŢÎNA & Nicolae BASISTÎI, 2013. "Macroprudential Policy: Conceptual Positions," ECONOMY AND SOCIOLOGY: Theoretical and Scientifical Journal, (Socionet);(EDIRIC);(REPEC);Institutul National de Cercetari Economice, issue 2, pages 47-59.
  12. Moreno, Ramón, 2011. "La formulación de políticas desde una perspectiva macroprudencial en economías emergentes," Revista Estudios Económicos, Banco Central de Reserva del Perú, issue 22, pages 21-40.
  13. Meilan Yan & Maximilian J. B. Hall & Paul Turner, 2011. "A Cost-Benefit Analysis of Basel III: Some Evidence from the UK," Discussion Paper Series 2011_05, Department of Economics, Loughborough University, revised Nov 2011.
  14. Mathias Drehmann & Nikola Tarashev, 2011. "Systemic importance: some simple indicators," BIS Quarterly Review, Bank for International Settlements, March.
  15. Mathias Drehmann, 2011. "Comment on "How to Calculate Systemic Risk Surcharges"," NBER Chapters, in: Quantifying Systemic Risk, pages 212-221 National Bureau of Economic Research, Inc.
  16. Calmès, Christian & Théoret, Raymond, 2014. "Bank systemic risk and macroeconomic shocks: Canadian and U.S. evidence," Journal of Banking & Finance, Elsevier, vol. 40(C), pages 388-402.
  17. Webber, Lewis & Willison, Matthew, 2011. "Systemic capital requirements," Bank of England working papers 436, Bank of England.
  18. Martinez-Jaramillo, Serafin & Alexandrova-Kabadjova, Biliana & Bravo-Benitez, Bernardo & Solórzano-Margain, Juan Pablo, 2014. "An empirical study of the Mexican banking system’s network and its implications for systemic risk," Journal of Economic Dynamics and Control, Elsevier, vol. 40(C), pages 242-265.
  19. Christian Calmès & Raymond Théoret, 2011. "Bank systemic risk and the business cycle: An empirical investigation using Canadian data," RePAd Working Paper Series UQO-DSA-wp322011, Département des sciences administratives, UQO.

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