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Contingent Convertible Obligations and Financial Stability

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  • Zachary Feinstein
  • T. R. Hurd

Abstract

This paper investigates whether a financial system can be made more stable if financial institutions share risk by exchanging contingent convertible (CoCo) debt obligations. The question is framed in a financial network model of debt and equity interlinkages with the addition of a variant of the CoCo that converts continuously when a bank's equity-debt ratio drops to a trigger level. The main theoretical result is a complete characterization of the clearing problem for the interbank debt and equity at the maturity of the obligations. We then introduce stylized networks to study when introducing contingent convertible bonds improves financial stability, as well as specific networks for which contingent convertible bonds do not provide uniformly improved system performance. To return to the main question, we examine the EU financial network at the time of the 2011 EBA stress test to do comparative statics to study the implications of CoCo debt on financial stability. It is found that by replacing all unsecured interbank debt by standardized CoCo interbank debt securities, systemic risk in the EU will decrease and bank shareholder value will increase.

Suggested Citation

  • Zachary Feinstein & T. R. Hurd, 2020. "Contingent Convertible Obligations and Financial Stability," Papers 2006.01037, arXiv.org, revised Oct 2022.
    • Handle: RePEc:arx:papers:2006.01037
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    File URL: http://arxiv.org/pdf/2006.01037
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    References listed on IDEAS

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    1. C. Gouriéroux & J.‐C. Héam & A. Monfort, 2012. "Bilateral exposures and systemic solvency risk," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 45(4), pages 1273-1309, November.
    2. Zachary Feinstein & Weijie Pang & Birgit Rudloff & Eric Schaanning & Stephan Sturm & Mackenzie Wildman, 2017. "Sensitivity of the Eisenberg-Noe clearing vector to individual interbank liabilities," Papers 1708.01561, arXiv.org, revised Oct 2018.
    3. Stefan Avdjiev & Anastasia Kartasheva & Bilyana Bogdanova, 2013. "CoCos: a primer," BIS Quarterly Review, Bank for International Settlements, September.
    4. Nan Chen & Xin Liu & David D. Yao, 2016. "An Optimization View of Financial Systemic Risk Modeling: Network Effect and Market Liquidity Effect," Operations Research, INFORMS, vol. 64(5), pages 1089-1108, October.
    5. repec:dau:papers:123456789/14967 is not listed on IDEAS
    6. Glasserman, Paul & Young, H. Peyton, 2015. "How likely is contagion in financial networks?," Journal of Banking & Finance, Elsevier, vol. 50(C), pages 383-399.
    7. Ariah Klages-Mundt & Andreea Minca, 2020. "Cascading Losses in Reinsurance Networks," Management Science, INFORMS, vol. 66(9), pages 4246-4268, September.
    8. Paul Glasserman & Behzad Nouri, 2012. "Contingent Capital with a Capital-Ratio Trigger," Management Science, INFORMS, vol. 58(10), pages 1816-1833, October.
    9. Zachary Feinstein, 2017. "Obligations with Physical Delivery in a Multi-Layered Financial Network," Papers 1702.07936, arXiv.org, revised May 2019.
    10. Ariah Klages-Mundt & Andreea Minca, 2018. "Cascading Losses in Reinsurance Networks," Papers 1805.12222, arXiv.org, revised Mar 2020.
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    Cited by:

    1. Anne G. Balter & Nikolaus Schweizer & Juan C. Vera, 2020. "Contingent Capital with Stock Price Triggers in Interbank Networks," Papers 2011.06474, arXiv.org.

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