{
  "title": "Sovereign Credit Ratings Methodology: An Evaluation",
  "publication": "IMF Working Papers, October 1, 2002",
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  "summary": "This paper describes and evaluates the sovereign credit ratings methodologies of Standard & Poor's, Moody's Investors Service, and Fitch Ratings.",
  "sections": [
    {
      "heading": "Summary",
      "content": "- Paper describes and evaluates sovereign credit ratings methodologies of Standard & Poor's, Moody's Investors Service, and Fitch Ratings.\n- Proposes and tests a simple definition of ratings failure based on ratings stability.\n- Empirical findings point to:\n  - falling failure rates,\n  - consistent upside bias,\n  - strong interagency correlation.\n- Possible causes of ratings failure are separated into informational, analytical, revenue bias, and other incentive problems; each category is discussed.\n- Highlights methodological developments after the Asian crisis, particularly regarding:\n  - the estimation of contingent liabilities,\n  - the assessment of international reserves adequacy."
    },
    {
      "heading": "Key findings and observations",
      "content": "- Ratings failure definition: based on ratings stability (simple operational definition used and tested in the paper).\n- Empirical patterns identified:\n  - falling failure rates,\n  - a consistent upside bias in ratings,\n  - strong correlation across ratings agencies (interagency correlation)."
    },
    {
      "heading": "Possible causes of ratings failure (as categorized in the paper)",
      "content": "- Informational problems.\n- Analytical problems.\n- Revenue bias.\n- Other incentive problems."
    },
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      "heading": "Methodological developments emphasized",
      "content": "- Post-Asian crisis improvements in:\n  - estimation of contingent liabilities,\n  - assessment of international reserves adequacy.\n\n---\n\n Content in this bundle\n\n- Sovereign Credit Ratings Methodology: An Evaluation - WP/02/170\n  - Sovereign Credit Ratings Methodology: An Evaluation - WP/02/170 (Markdown version){rel=\"alternate\" type=\"text/markdown\"}\n  - Sovereign Credit Ratings Methodology: An Evaluation - WP/02/170 (PDF){rel=\"external\" type=\"application/pdf\"}\n\n---\n\nSource: https://www.imf.org/en/publications/wp/issues/2016/12/30/sovereign-credit-ratings-methodology-an-evaluation-16092"
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    "Authors: Ashok Vir Bhatia",
    "Published: October 1, 2002",
    "Series: IMF Working Papers",
    "DOI: https://doi.org/10.5089/9781451858433.001",
    "Paper describes and evaluates sovereign credit ratings methodologies of Standard & Poor's, Moody's Investors Service, and Fitch Ratings.",
    "Proposes and tests a simple definition of ratings failure based on ratings stability.",
    "Empirical findings point to:",
    "Possible causes of ratings failure are separated into informational, analytical, revenue bias, and other incentive problems; each category is discussed.",
    "Highlights methodological developments after the Asian crisis, particularly regarding:",
    "Ratings failure definition: based on ratings stability (simple operational definition used and tested in the paper).",
    "Empirical patterns identified:",
    "Informational problems.",
    "Analytical problems.",
    "Revenue bias.",
    "Other incentive problems.",
    "Post-Asian crisis improvements in:",
    "**Sovereign Credit Ratings Methodology: An Evaluation - WP/02/170**"
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