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Does the impact of credit rating downgrade on bond returns vary by region: Empirical evidence from China

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  • Shan, Junhui
  • Liu, Guanhua
  • Zhang, Lin

Abstract

Utilizing trading data from corporate and enterprise bonds that experienced credit rating downgrades between 2012 and 2022, this study employs event study methodology and regression analysis to examine the regional differences in the impact of credit rating downgrades on bond pricing and the mechanisms behind these effects. The study found that, during the window period when the bond credit rating is downgraded, there is a significant difference in the cumulative abnormal return of bonds between the eastern and non-eastern regions. Heterogeneity analysis indicates that bonds with higher credit ratings and those issued by non-state-owned enterprises are more significantly affected by credit rating downgrades. This study provides empirical evidence of regional disparities in the impact of credit rating downgrades, and proposes a theoretical mechanism whereby differences in the degree of marketization influence these effects through varying expectations of government implicit guarantees. The findings offer a theoretical foundation for optimizing decision-making by participants in the Chinese bond market.

Suggested Citation

  • Shan, Junhui & Liu, Guanhua & Zhang, Lin, 2024. "Does the impact of credit rating downgrade on bond returns vary by region: Empirical evidence from China," Finance Research Letters, Elsevier, vol. 70(C).
    • Handle: RePEc:eee:finlet:v:70:y:2024:i:c:s1544612324013941
    DOI: 10.1016/j.frl.2024.106365
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    More about this item

    Keywords

    Credit rating downgrade; Bond returns; Implicit government guarantee;
    All these keywords.

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
    • O36 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Open Innovation

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