TY  - UNPD
A1  - Güttler, André
T1  - Using a bootstrap approach to rate the raters
T2  - Universität Frankfurt am Main. Fachbereich Wirtschaftswissenschaften: [Working paper series / Finance and accounting] Working paper series, Finance & Accounting ; No. 132
N2  - This paper compares the accuracy of credit ratings of Moody s and Standard&Poors. Based on 11,428 issuer ratings and 350 defaults in several datasets from 1999 to 2003 a slight advantage for the rating system of Moody s is detected. Compared to former research the robustness of the results is increased by using nonparametric bootstrap approaches. Furthermore, robustness checks are made to control for the impact of Watchlist entries, staleness of ratings and the effect of unsolicited ratings on the results.
T3  - Working paper series / Johann-Wolfgang-Goethe-Universität Frankfurt am Main, Fachbereich Wirtschaftswissenschaften : Finance & Accounting - 132 
KW  - Kreditwürdigkeit
KW  - Auskunftei
KW  - Statistischer Test
KW  - Schätzung
KW  - Vergleich
KW  - Vereinigte Staaten
KW  - Ratingagentur
KW  - Credit rating agencies
KW  - Validation
KW  - Bootstrap
Y1  - 2004
UR  - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/4874
UR  - https://nbn-resolving.org/urn:nbn:de:hebis:30-5674
PB  - Univ., Fachbereich Wirtschaftswiss.
CY  - Frankfurt am Main
ER  -