Rating Actions: Reliable Information or Regulatory Constraint after the Subprime Crisis?

At the time of the subprime crisis, investors strongly blamed credit rating agencies (CRAs). Six years later, we want to verify if CRAs are still suffering a reputational damage by measuring stock prices reactions to rating announcements. To test our hypothesis we conduct an event analysis on the American, EU area and Asian/Pacific stock markets over a ten-year period from November 2003 to November 2013. We find that the postcrisis abnormal returns are in general lower if compared with the pre-crisis level, in particular if rating changes are far away from the speculative-junk border.

JEL Codes: G12, G14 and G24

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