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Bank systemic risk: An analysis of the sovereign rating ceiling policy and rating downgrades

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  • Md Abdul Wasi
  • Thu Phuong Pham
  • Ralf Zurbruegg

Abstract

We investigate the impact that the sovereign ceiling policy has on financial stability. In the event of a sovereign rating downgrade, we find that the rating agencies' sovereign ceiling policy leads to a disproportionate downgrade of the most creditworthy financial institutions in the economy and results in increased systemic risk. This asymmetric variation in bank ratings also impairs equity growth that further exacerbates bank insolvency. Our results are robust to several matching techniques, such as propensity score matching and entropy balancing, falsification tests, subsample analyses, alternative empirical proxies and model specifications.

Suggested Citation

  • Md Abdul Wasi & Thu Phuong Pham & Ralf Zurbruegg, 2023. "Bank systemic risk: An analysis of the sovereign rating ceiling policy and rating downgrades," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 50(1-2), pages 411-440, January.
    • Handle: RePEc:bla:jbfnac:v:50:y:2023:i:1-2:p:411-440
    DOI: 10.1111/jbfa.12637
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