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Scope proposes an update to its Sub-sovereigns Rating Methodology and calls for comments
The proposed update to the methodology can be downloaded here.
The proposed update enhances the transparency and analytical rigour of Scope’s approach for assigning credit ratings to sub-sovereigns and introduces new analytical components relating to environmental and social considerations. The Sub-sovereigns Rating Methodology continues to be based on a ‘framework-driven approach’, reflecting the importance of varying intergovernmental relationships between sub-sovereign and sovereign entities as well as the resulting country-specific budget structures, spending and investment responsibilities, debt management procedures, and liquidity practices.
Methodology highlights
Scope’s approach starts with the assessment of the intergovernmental integration between a sub-sovereign and its rating anchor – generally the respective sovereign or a higher-tier government – based on the assessment of the institutional framework under which a sub-sovereign operates. This determines a downward rating range vis-à-vis the rating anchor whereby, the higher (lower) the level of integration, the narrower (wider) the rating range. The framework assessment applies in general to all sub-sovereigns of the same government tier in a country and considers elements including: the record and form of budgetary support sub-sovereigns benefit from, their funding practices, the fiscal rules and oversight they are subject to, their revenue and spending powers, and multi-level governance features.
The second key analytical component of the approach is the analysis of a sub-sovereign’s individual credit profile, which is structured around four key risk pillars: debt & liquidity, budget, economy and governance. Additional adjustments to the resulting individual credit profile score can be done based on environmental and social factors, in case of wide regional disparities in terms of exposure to E&S risks and based on the sub-sovereign’s spending responsibilities as defined by their framework. Sub-sovereign’s individual credit characteristics are assessed based on peer benchmarking of quantitative metrics and detailed qualitative rationales.
The individual credit profile score is then mapped to the rating range determined by the framework assessment, to derive an indicative rating. An integrated institutional framework is a sufficient condition for a rating level close to the rating anchor, whereas a strong individual credit profile is necessary if there is a low level of integration.
Finally, we consider additional factors that could adjust the credit rating lower or higher and the conditions under which a sub-sovereign could be rated above the rating anchor.
Summary of the proposed key changes
We propose to:
- Expand the granularity and refine the analytical focus of the key components of the institutional framework
- Integrates the quantitative and qualitative assessments of the individual credit profile (ICP) into one model
- Introduce a systematic and explicit approach to environmental and social considerations
- Implement a mapping table which gives an indicative notching rather than a maximum indicative notching
- Change qualitative scorecard structures and assessments and introduce qualitative assessment guidance tables to enhance analytical rigour and strengthen transparency
- Adopt additional editorial changes to improve clarity
The proposed changes are not expected to affect existing sovereign ratings or any other ratings assigned by Scope.
Call for comments
Scope invites investors, issuers, policymakers and other interested parties to comment on the methodology by 17 September 2022, as part of the agency’s ongoing commitment to transparency and open dialogue with market participants.
Please send your comments to consultation@scoperatings.com
Scope will review and publish the content of written responses in accordance with regulatory requirements unless the respondent has specifically requested confidentiality.