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The interaction between bank solvency and funding costs: A crucial effect in stress tests

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  • Stefan W. Schmitz
  • Michael Sigmund
  • Laura Valderrama

Abstract

This paper presents new evidence on the empirical relationship between bank solvency and funding costs. Building on a newly constructed data set drawing on the supervisory data of 54 large banks from six advanced countries over 2004–2013, we use a simultaneous equation approach with panel data to estimate the contemporaneous interaction between solvency and funding costs. Our results and test statistics show that these two are (a) determined simultaneously and (b) more pronounced than suggested by the existing empirical literature. A 100‐bps increase in regulatory capital ratios is associated with a decrease of bank funding costs of about 113 bps. A 100‐bps increase in funding costs reduces regulatory capital buffers by 48 bps. Applying our estimation results to the 2014 EU‐wide stress test reveals that neglecting the solvency‐funding cost nexus leads to the systematical and significant underestimation of the impact of shocks on bank capital ratios.

Suggested Citation

  • Stefan W. Schmitz & Michael Sigmund & Laura Valderrama, 2019. "The interaction between bank solvency and funding costs: A crucial effect in stress tests," Economic Notes, Banca Monte dei Paschi di Siena SpA, vol. 48(2), July.
    • Handle: RePEc:bla:ecnote:v:48:y:2019:i:2:n:e12130
    DOI: 10.1111/ecno.12130
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    Cited by:

    1. Aida Tatibekova & Mukhtar Bubeyev, 2020. "How regulation of bank capital adequacy and liquidity affects pricing of bonds of the banks," Entrepreneurship and Sustainability Issues, VsI Entrepreneurship and Sustainability Center, vol. 7(3), pages 1708-1722, March.
    2. Cont, Rama & Kotlicki, Artur & Valderrama, Laura, 2020. "Liquidity at risk: Joint stress testing of solvency and liquidity," Journal of Banking & Finance, Elsevier, vol. 118(C).
    3. Manuel Monjas & María Rocamora & Nuria Suárez, 2023. "Determinants of bail-in debt yields in the EU banking sector: a multi-country approach with idiosyncratic factors," Empirica, Springer;Austrian Institute for Economic Research;Austrian Economic Association, vol. 50(4), pages 1055-1095, November.
    4. David Aikman & Daniel Beale & Adam Brinley-Codd & Anne-Caroline Hüser & Giovanni Covi & Caterina Lepore, 2023. "Macro-Prudential Stress Test Models: A Survey," IMF Working Papers 2023/173, International Monetary Fund.
    5. Aldasoro, Iñaki & Cho, Chun Hee & Park, Kyounghoon, 2022. "Bank solvency risk and funding cost interactions: Evidence from Korea," Journal of Banking & Finance, Elsevier, vol. 134(C).
    6. de Bandt, Olivier & Lecarpentier, Sandrine & Pouvelle, Cyril, 2021. "Determinants of banks’ liquidity: A French perspective on interactions between market and regulatory requirements," Journal of Banking & Finance, Elsevier, vol. 124(C).
    7. Florian NEAGU & Irina MIHAI, 2022. "Macroprudential Liquidity Stress Test : How To Cope With Liquidity Drains," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(4), pages 96-111, December.
    8. Sydow, Matthias & Fukker, Gábor & Dubiel-Teleszynski, Tomasz & Franch, Fabio & Gründl, Helmut & Miccio, Debora & Pellegrino, Michela & Gallet, Sébastien & Kotronis, Stelios & Schlütter, Sebastian & So, 2024. "Banks and non-banks stressed: liquidity shocks and the mitigating role of insurance companies," Working Paper Series 3000, European Central Bank.

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