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Bond rating agencies and their role in bank market discipline
Journal article   Peer reviewed

Bond rating agencies and their role in bank market discipline

Robert Schweitzer, Samuel Szewczyk and Raj Varma
Journal of financial services research, v 6(3), pp 249-263
01 Sep 1992

Abstract

Bank holding companies Bond ratings Capital markets Debt management Rating bureaus Risk management Statistical analysis Studies Theory
Considerable attention has been given to the role of market discipline in the regulation of bank risk. The asset/liability management of bank holding companies is subject to market discipline if the market prices of their uninsured securities respond to their risk-taking activity. A study examines whether changes in the ratings of bank debt have any information content. Bank holding companies are monitored both by bank regulators and by debt rating agencies, leading to the view that duplication of effort may render superfluous the monitoring service of rating agencies. However, the results show that downgrades of bank debt are associated with statistically significant wealth losses, irrespective of whether the rating change is across rating classes or within a rating class. Moreover, the results hold even when observations with potentially confounding events are removed from the sample. These results suggest that rating agencies provide valuable information to the capital market regarding the risk exposure of bank holding companies.

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