Rating Through-the-Cycle : What does the Concept Imply for Rating Stability and Accuracy? /

Credit rating agencies face a difficult trade-off between delivering both accurate and stable ratings. In particular, its users have consistently expressed a preference for rating stability, driven by the transactions costs induced by trading when ratings change frequently. Rating agencies generally...

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書目詳細資料
主要作者: Kiff, John
其他作者: Kisser, Michael, Schumacher, Liliana
格式: 雜誌
語言:English
出版: Washington, D.C. : International Monetary Fund, 2013.
叢編:IMF Working Papers; Working Paper ; No. 2013/064
在線閱讀:Full text available on IMF
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245 1 0 |a Rating Through-the-Cycle :   |b What does the Concept Imply for Rating Stability and Accuracy? /  |c John Kiff, Michael Kisser, Liliana Schumacher. 
264 1 |a Washington, D.C. :  |b International Monetary Fund,  |c 2013. 
300 |a 1 online resource (29 pages) 
490 1 |a IMF Working Papers 
500 |a <strong>Off-Campus Access:</strong> No User ID or Password Required 
500 |a <strong>On-Campus Access:</strong> No User ID or Password Required 
506 |a Electronic access restricted to authorized BRAC University faculty, staff and students 
520 3 |a Credit rating agencies face a difficult trade-off between delivering both accurate and stable ratings. In particular, its users have consistently expressed a preference for rating stability, driven by the transactions costs induced by trading when ratings change frequently. Rating agencies generally assign ratings on a through-the-cycle basis whereas banks' internal valuations are often based on a point-in-time performance, that is they are related to the current value of the rated entity's or instrument's underlying assets. This paper compares the two approaches and assesses their impact on rating stability and accuracy. We find that while through-the-cycle ratings are initially more stable, they are prone to rating cliff effects and also suffer from inferior performance in predicting future defaults. This is because they are typically smooth and delay rating changes. Using a through-the-crisis methodology that uses a more stringent stress test goes halfway toward mitigating cliff effects, but is still prone to discretionary rating change delays. 
538 |a Mode of access: Internet 
700 1 |a Kisser, Michael. 
700 1 |a Schumacher, Liliana. 
830 0 |a IMF Working Papers; Working Paper ;  |v No. 2013/064 
856 4 0 |z Full text available on IMF  |u http://elibrary.imf.org/view/journals/001/2013/064/001.2013.issue-064-en.xml  |z IMF e-Library