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Banking supervisory architecture and sovereign risk

Author

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  • Cuadros-Solas, Pedro J.
  • Salvador, Carlos
  • Suárez, Nuria

Abstract

This paper investigates whether the design of the banking supervisory architecture impacts sovereign risk. Exploiting the implementation of the Single Supervisory Mechanism (SSM) in Europe, we provide evidence that sovereign risk – measured by sovereign ratings – is lower after the largest banks shift from national to supranational supervision. The impact of SSM implementation is shaped by the characteristics of the banking sector and the country’s institutional setting. Using specific bank-level data, we also find that increased bank resilience (banking stability) and reduced volatility of bank credit (credit stability) in the economy underlie the relationship between banking supervision and sovereign risk. The results hold when considering CDS spreads as an alternative measure of sovereign risk and after conducting several robustness tests.

Suggested Citation

  • Cuadros-Solas, Pedro J. & Salvador, Carlos & Suárez, Nuria, 2025. "Banking supervisory architecture and sovereign risk," Journal of Financial Stability, Elsevier, vol. 76(C).
    • Handle: RePEc:eee:finsta:v:76:y:2025:i:c:s1572308924001505
    DOI: 10.1016/j.jfs.2024.101365
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    More about this item

    Keywords

    Banking supervision; sovereign risk; ratings; bank stability;
    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
    • H63 - Public Economics - - National Budget, Deficit, and Debt - - - Debt; Debt Management; Sovereign Debt
    • G24 - Financial Economics - - Financial Institutions and Services - - - Investment Banking; Venture Capital; Brokerage

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