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Potential spillovers from the banking sector to sovereign credit ratings

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  • Pedro Jesús Cuadros-Solas
  • Carlos Salvador Muñoz

Abstract

The global financial crisis and European sovereign debt crisis underlined the links between the banking sector and sovereign risk. This paper uses a machine learning technique (random forest regression) to examine whether sovereign ratings account for the potential spillovers from the banking sector to sovereign risk. To do so, we use a panel of sovereign ratings issued by the three main credit rating agencies (CRAs) (Fitch, S&P and Moody’s) for 30 European countries from 2002 to 2016. We find that in addition to the main economic indicators (macroeconomic, government and institutional quality factors), the soundness of the banking system is relevant in determining the sovereign rating. In fact, with the outbreak of the crisis, the importance of these banking sector characteristics (namely, liquidity, concentration and volume of non-performing loans) for sovereign ratings increased substantially. These results suggest a change in CRAs’ policies since the onset of the crisis, involving a re-appraisal of the structure of the banking sector when assessing countries’ sovereign risk.

Suggested Citation

  • Pedro Jesús Cuadros-Solas & Carlos Salvador Muñoz, 2021. "Potential spillovers from the banking sector to sovereign credit ratings," Applied Economics Letters, Taylor & Francis Journals, vol. 28(12), pages 1046-1052, July.
    • Handle: RePEc:taf:apeclt:v:28:y:2021:i:12:p:1046-1052
    DOI: 10.1080/13504851.2020.1796910
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    Cited by:

    1. Fornari, Fabio & Zaghini, Andrea, 2022. "It’s not time to make a change: Sovereign fragility and the corporate credit risk," Journal of International Money and Finance, Elsevier, vol. 128(C).
    2. Cuadros-Solas, Pedro J. & Salvador, Carlos & Suárez, Nuria, 2021. "Am I riskier if I rescue my banks? Beyond the effects of bailouts," Journal of Financial Stability, Elsevier, vol. 56(C).
    3. Sahibzada, Irfan Ullah & Rizwan, Muhammad Suhail & Qureshi, Anum, 2022. "Impact of sovereign credit ratings on systemic risk and the moderating role of regulatory reforms: An international investigation," Journal of Banking & Finance, Elsevier, vol. 145(C).
    4. Cuadros-Solas, Pedro Jesús & Salvador Muñoz, Carlos, 2022. "Disentangling the sources of sovereign rating adjustments: An examination of changes in rating policies following the GFC," Research in International Business and Finance, Elsevier, vol. 59(C).

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