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NBER Working Papers and Publications
|September 2009||Tiebreaker: Certification and Multiple Credit Ratings|
with K.J. Martijn Cremers, William N. Goetzmann: w15331
This paper explores the economic role credit rating agencies play in the corporate bond market. We consider three existing theories about multiple ratings: information production, rating shopping and regulatory certification. Using differences in rating composition, default prediction and credit spread changes, our evidence only supports regulatory certification. Marginal, additional credit ratings are more likely to occur because of, and seem to matter primarily for regulatory purposes, but do not seem to provide significant additional information related to credit quality.
Published: Dion Bongaerts & K. J. Martijn Cremers & William N. Goetzmann, 2012. "Tiebreaker: Certification and Multiple Credit Ratings," Journal of Finance, American Finance Association, vol. 67(1), pages 113-152, 02. citation courtesy of