We report on the current state and important older findings of empirical studies on corporate credit ratings and their relationship to ratings of other entities. Specifically, we consider the results of three lines of research: The correlation of credit ratings and corporate default, the...

"Since June 2007, the creditworthiness of structured finance products has deteriorated rapidly. The number of downgrades in November 2007 alone exceeded 2,000 and many downgrades were severe, with 500 tranches downgraded more than 10 notches. Massive downgrades continued in 2008. More than...

This paper takes a look at two areas where the subprime crisis has triggered debate and is paving the way for possible movement towards greater global regulation: international banking supervision and the role of credit rating agencies. It surveys the varied range of opinions on the role that...

The agencies and what they do -- How to think about the agencies -- The agencies and financial innovation -- Cogs in the wheel of financial destruction -- Aftermath -- Addendum: convenient villains & all-purpose bogeymen -- I'll be gone. You'll be gone.

Credit rating agencies have been under the spotlight since the beginning of the current financial crisis. They failed in their assessment of US residential mortgage- based securities in the mid-2000s. Nevertheless, investors generally consider credit ratings useful to help form their views on...