Bank internal ratings of corporate clients are intended to quantify the expected likelihood of future borrower defaults. This paper develops a comprehensive framework for evaluating the quality of standard rating systems. We suggest a number of principles that ought to be met by 'good rating...

"GARP's Foundations of Banking Risk and Regulation introduces risk professionals to the advanced components and terminology in banking risk and regulation globally. It helps them develop an understanding of the methods for the measurement and management of credit risk and operational risk, and...