Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/23420 
Erscheinungsjahr: 
2005
Schriftenreihe/Nr.: 
Working Paper Series: Finance & Accounting No. 155
Verlag: 
Johann Wolfgang Goethe-Universität Frankfurt am Main, Fachbereich Wirtschaftswissenschaften, Frankfurt a. M.
Zusammenfassung: 
We provide insights into determinants of the rating level of 371 issuers which defaulted in the years 1999 to 2003, and into the leader-follower relationship between Moody's and S&P. The evidence for the rating level suggests that Moody's assigns lower ratings than S&P for all observed periods before the default event. Furthermore, we observe two-way Granger causality, which signifies information flow between the two rating agencies. Since lagged rating changes influence the magnitude of the agencies' own rating changes it would appear that the two rating agencies apply a policy of taking a severe downgrade through several mild downgrades. Further, our analysis of rating changes shows that issuers with headquarters in the US are less sharply downgraded than non-US issuers. For rating changes by Moody's we also find that larger issuers seem to be downgraded less severely than smaller issuers.
Schlagwörter: 
rating agencies
validation
leader- follower analysis
Granger causality
JEL: 
G23
G15
G33
Dokumentart: 
Working Paper

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