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Collateral composition, diversification risk, and systemically important merchant banks

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  • Derviz, Alexis

Abstract

The impact of collateral diversification by non-financial firms on systemic risk is studied in a general equilibrium model with standard production functions and mixed debt-equity financing. Systemic risk comes about as soon as firms diversify their collateral by holding claims on a big wholesale (merchant) bank whose asset side includes claims on the same producer set. The merchant bank sector proves to be fragile (has a short distance to default) regardless of competition. In this setting, the policy response, consisting in official guarantees for the merchant bank's liabilities, entails considerable government loss risk. An alternative without the need for public sector involvement is to encourage systemically important merchant banks to introduce a simple bail-in mechanism by restricting their liabilities to contingent convertible bonds. This line of regulatory policy is particularly relevant to the containment of systemic events in globally leveraged economies serviced by big international banks outside host country regulatory control.

Suggested Citation

  • Derviz, Alexis, 2014. "Collateral composition, diversification risk, and systemically important merchant banks," Journal of Financial Stability, Elsevier, vol. 14(C), pages 23-34.
  • Handle: RePEc:eee:finsta:v:14:y:2014:i:c:p:23-34
    DOI: 10.1016/j.jfs.2014.03.001
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    Cited by:

    1. Alexis Derviz, 2016. "Credit Constraints and Creditless Recoveries: An Unsteady State Approach," Working Papers 2016/10, Czech National Bank, Research Department.
    2. Frantisek Brazdik & Jan Bruha & Michal Franta & David Havrlant & Tibor Hledik & Tomas Holub & Zuzana Humplova & Frantisek Kopriva & Jiri Polansky & Marek Rusnak & Jaromir Tonner, 2015. "Forecasting," Occasional Publications - Edited Volumes, Czech National Bank, Research Department, edition 1, volume 13, number rb13/1 edited by Jan Babecky & Kamil Galuscak.
    3. 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, Research Department, edition 2, volume 13, number rb13/2 edited by Jan Babecky & Michal Franta.
    4. Oxana Babecka Kucharcukova & Alexis Derviz & Vaclav Hausenblas & Michal Hlavacek & Mark Joy & Narcisa Kadlcakova & Lubos Komarek & Zlatuse Komarkova & Tomas Konecny & Ivana Kubicova & Jitka Lesanovska, 2014. "Macroprudential Research: Selected Issues," Occasional Publications - Edited Volumes, Czech National Bank, Research Department, edition 2, volume 12, number rb12/2 edited by Jan Babecky & Borek Vasicek.
    5. 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, Research Department, edition 2, volume 14, number rb14/2 edited by Jan Babecky & Michal Hlavacek.
    6. Kamil Galuscak & Adam Gersl & Marcela Gronychova & Petr Hlavac & Petr Jakubik & Lubos Komarek & Zlatuse Komarkova & Tomas Konecny & Jakub Seidler, 2014. "Stress-Testing Analyses of the Czech Financial System," Occasional Publications - Edited Volumes, Czech National Bank, Research Department, edition 1, volume 12, number rb12/1 edited by Jan Babecky & Roman Horvath.
    7. Alexis Derviz & Libor Holub, 2015. "Collateral and the Role of International Merchant Banks in the Spread of Aggregate Risks," Occasional Publications - Chapters in Edited Volumes,in: CNB Financial Stability Report 2014/2015, chapter 0, pages 146-154 Czech National Bank, Research Department.

    More about this item

    Keywords

    Collateral; Systemic risk; Merchant bank; CoCos;

    JEL classification:

    • G24 - Financial Economics - - Financial Institutions and Services - - - Investment Banking; Venture Capital; Brokerage

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