The Ex-Ante Versus Ex-Post Effect of Public Guarantees Staff Working Paper 2012-22 H. Evren Damar, Reint Gropp, Adi Mordel In October 2006, Dominion Bond Rating Service (DBRS) introduced new ratings for banks that account for the potential of government support. The rating changes are not a reflection of any changes in the respective banks’ credit fundamentals. Content Type(s): Staff research, Staff working papers Topic(s): Financial institutions, Financial stability, Financial system regulation and policies JEL Code(s): G, G2, G21, G28, G3, G32