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Credit rating agencies and conflict of interest

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thesis
posted on 13.05.2020 by Harvey Teck Wee CHEONG

While formal anecdotal evidence of credit rating agencies flouting conflict of interest guidelines have been published by the SEC and the Senate, statistical evidence of this has yet to be found. Taking advantage of the bond rating refinement undertaken by Moody’s on April 26 1982, as well as the fact that rating fees are positively related to the number or size of new bond issues, we examine the relationship between the bond rating refinements and the number and size of new bond issues within the five years before and after the refinement. We find evidence that bond "upgrades" are positively correlated with the number and size of new bond issues before the refinement, and that bond "downgrades" are similarly negatively correlated, which may be indicative of a manifested conflict of interest at Moody’s during the bond rating refinement of April 26 1982.

History

Document type

Master thesis

Degree awarded

MSc in Finance

Year degree awarded

2012

Supervisor(s)

Goh, Jeremy

Committee members

Jerry CAO; Chiraphol New Chiyachantana

SMU School

Lee Kong Chian School of Business

No. of pages

52

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