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FRM Part II · FRM Exam Part II · Credit Scoring and Rating

A rating agency's methodology for corporate issuers weighs quantitative financial ratios together with qualitative factors such as management quality and industry position, then applies committee judgment. Compared with a purely statistical scoring model, what is the main drawback of this approach for risk managers?

The main drawback is subjectivity. Because committee judgment and qualitative factors shape the rating, outcomes are harder to replicate, audit and backtest than those from a purely statistical scoring model, even though the approach does use financial ratios and industry analysis.

  1. AIt cannot incorporate financial ratios
  2. BIt is more subjective and less easily replicated or backtestedCorrect
  3. CIt always produces ratings that move faster than market spreads
  4. DIt ignores industry risk

Explanation

Committee-based, judgment-driven ratings blend qualitative assessments that are hard to replicate precisely and to backtest consistently, unlike a fixed statistical model. The approach does include ratios and industry risk, and agency ratings typically lag, not lead, market spreads.

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