Do rating agencies increase or decrease financial market stability? This paper analyzes whether credit rating agencies may help to avoid inefficient self-fulfilling credit defaults. If investors follow risk-dominant strategies, we show that rating announcements and investors' private information...

This paper identifies rating verifiability as a key difference that explains why credit rating agencies (CRAs) failed to mitigate information asymmetries in the structured finance market but succeeded in the bond market. Two infinitely repeated models are analyzed. In the first, the rating is...