Fixed income markets rely on delegated asset management, where fund managers' portfolio decisions are directed and restricted by investment mandates. We use textual analysis to classify U.S. fixed income funds' mandate contents. Credit ratings can be used in mandates to define investable assets....

How do changes in a rating agency's reputation affect the ratings market? We study the dynamics of credit ratings after Standard & Poor's (S&P) was shut out of a large segment of the commercialmortgage-backed securities (CMBS) ratings market following a procedural mistake. Exploiting the fact...