Rating Agencies and the Issuer-Pays Model
Credit rating agencies are usually paid by the same companies whose debt they rate, not by the investors who rely on the rating — a conflict of interest that's central to understanding what a credit rating actually is.
Prerequisites: Credit Ratings and the Agencies
When a company or government issues a bond, it typically pays one of the big rating agencies — Moody's, S&P, or Fitch — to assign it a credit rating, a letter grade meant to summarize how likely the issuer is to repay on time. The strange part, obvious once you notice it, is who's writing the check: the issuer being graded pays the agency doing the grading, not the investors who buy the bond and actually rely on the rating to judge its risk. This is the issuer-pays model, and it creates an incentive problem that's been debated for decades: an agency that rates issuers too harshly risks losing that issuer's business to a rival agency willing to be more generous.
The model exists for a practical reason, not just historical accident. An earlier "investor-pays" arrangement, where subscribers paid for rating reports, struggled once cheap photocopying and later electronic distribution made it easy for one paying subscriber to share a rating with everyone else for free — the rating became a public good nobody wanted to pay for individually. Issuer-pays solved that free-rider problem: the issuer has a direct incentive to pay for a rating, because a bond without one is far harder to sell to institutional investors who are often required by their own rules to hold only rated debt.
The conflict became impossible to ignore during the 2008 financial crisis, when large numbers of mortgage-backed securities that had been rated AAA — the agencies' highest grade — turned out to be far riskier than the rating implied and defaulted or were downgraded sharply once the underlying mortgages started failing. Critics argued the agencies had softened their standards to keep winning business from the banks structuring those securities, since a bank whose deal got a disappointing rating could simply shop it to a more accommodating agency instead.
Since then, regulators have added safeguards rather than eliminating the issuer-pays structure outright: disclosure requirements, rules limiting how much analyst compensation can tie to specific deal outcomes, and oversight bodies reviewing agency performance. The underlying incentive tension hasn't disappeared, though — it's simply the tradeoff the market has settled on, and it's a key reason experienced investors treat a credit rating as one useful input rather than a definitive verdict, doing their own credit analysis alongside it rather than in place of it.
Because issuers pay for their own ratings, a rating agency has some incentive to be generous to keep that issuer's business — a structural conflict of interest that survived the 2008 crisis largely intact, which is why sophisticated investors treat ratings as one input rather than a substitute for their own credit analysis.
Related concepts
Practice in interviews
Further reading
- SEC, 'Report on the Role and Function of Credit Rating Agencies'