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Capital Buffers Based on Banks' Domestic Systemic Importance: Selected Issues

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  • Michal Skorepa
  • Jakub Seidler

Abstract

Regulators in many countries are currently considering ways to impose domestic systemic importance-based capital requirements on banks. Aiming to assist these considerations, this article discusses a number of issues concerning the calculation of a bank's systemic importance to the domestic banking sector, such as the choice of indicators used and the pros and cons of focusing on an individual or consolidated level. Also, the 'equal expected impact' procedure for determining adequate additional capital requirements is presented in detail and some of its properties are discussed. As an illustrative example of the practical use of the procedures presented, systemic importance scores and implied capital buffers are calculated for banks in the Czech Republic. The article also stresses the crucial role of public communication of the motivation for the buffers: regulators should make every effort to explain that the imposition of a non-zero systemic importance-based capital buffer on a bank is not to be interpreted by the markets as a signal that the bank is too big to fail and would therefore be guaranteed a public bail-out if it got into difficulties.

Suggested Citation

  • Michal Skorepa & Jakub Seidler, 2014. "Capital Buffers Based on Banks' Domestic Systemic Importance: Selected Issues," Research and Policy Notes 2014/01, Czech National Bank.
    • Handle: RePEc:cnb:rpnrpn:2014/01
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    1. Michal Skorepa & Jakub Seidler, 2015. "Capital buffers based on banks’ domestic systemic importance: selected issues," Journal of Financial Economic Policy, Emerald Group Publishing Limited, vol. 7(3), pages 207-220, August.
    2. Michal Skorepa, 2014. "Concurrent Capital Buffers in a Banking Group," Occasional Publications - Chapters in Edited Volumes, in: CNB Financial Stability Report 2013/2014, chapter 0, pages 128-136, Czech National Bank.
    3. Jan Bruha & Jaromir Tonner & Mojmir Hampl & Tomas Havranek & Mirko Djukic & Tibor Hledik & Jiri Polansky & Ljubica Trajcev & Jan Vlcek & Ruslan Aliyev & Dana Hajkova & Ivana Kubicova, 2017. "Effects of Monetary Policy," Occasional Publications - Edited Volumes, Czech National Bank, edition 2, volume 15, number rb15/2 edited by Jan Babecky & Michal Franta & Jan Bruha, January.
    4. Michal Andrle & Oxana Babecka Kucharcukova & Jaromir Baxa & Jan Bruha & Peter Claeys & Jan Filacek & Jakub Mateju & Miroslav Plasil & Serhat Solmaz & Borek Vasicek, 2015. "Monetary Policy Challenges in a Low-Inflation Environment," Occasional Publications - Edited Volumes, Czech National Bank, edition 2, volume 13, number rb13/2 edited by Jan Babecky & Michal Franta, January.
    5. Kamil Galuscak & Ivan Sutoris & Oxana Babecka Kucharcukova & Jan Bruha & Filip Novotny & Volha Audzei & Frantisek Brazdik, 2017. "Trade and External Relations," Occasional Publications - Edited Volumes, Czech National Bank, edition 1, volume 15, number rb15/1 edited by Jan Babecky & Jan Bruha, January.
    6. Jan Bruha & Jiri Polansky & Jaromir Tonner & Stanislav Tvrz & Osvald Vasicek & Jan Babecky & Kamil Galuscak & Lubomir Lizal & Diana Zigraiova, 2016. "Topics in Labour Markets," Occasional Publications - Edited Volumes, Czech National Bank, edition 1, volume 14, number rb14/1 edited by Jan Babecky, January.
    7. Miroslav Plasil & Jakub Seidler & Petr Hlavac & Volha Audzei & Jakub Mateju & Michal Kejak & Simona Malovana & Jan Frait, 2016. "Financial Cycles and Macroprudential and Monetary Policies," Occasional Publications - Edited Volumes, Czech National Bank, edition 2, volume 14, number rb14/2 edited by Jan Babecky & Michal Hlavacek, January.

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    More about this item

    Keywords

    Bank failure; Basel III; capital adequacy; consolidation; systemic importance; public support;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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