Coppens, François; Gonzáles, Fernando; Winkler, Gerhard - Nationale Bank van België/Banque national de Belqique (BNB) - 2007
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...