This paper investigates the potential impact of the growing influence of the opinions of credit rating agencies (CRAs) on market dynamics. This impact can be seen as a consequence of the information content of the ratings themselves or indirectly as a consequence of the "hardwiring" of ratings...

The aims of this paper are twofold: first, we attempt to express the threshold of a single “A” rating as issued by major international rating agencies in terms of annualised probabilities of default. We use data from Standard & Poor’s and Moody’s publicly available rating histories to...