2003
DOI: 10.1016/s0378-4266(01)00253-9
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Are unsolicited credit ratings biased downward?

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Cited by 162 publications
(107 citation statements)
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References 12 publications
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“…Winnie P.H. Poon shows that the rating scores of companies which did not request the same are lower than in the case of the companies which requested such a rating, even when considering the rating score of a country and key financial features (Poon, 2003). The article: "Rating as a Useful Tool for Credit Risk Measurement" presents the procedure of giving a rating score based on the financial statements of companies (Weissova et al,2015).…”
Section: Rating Agenciesmentioning
confidence: 99%
“…Winnie P.H. Poon shows that the rating scores of companies which did not request the same are lower than in the case of the companies which requested such a rating, even when considering the rating score of a country and key financial features (Poon, 2003). The article: "Rating as a Useful Tool for Credit Risk Measurement" presents the procedure of giving a rating score based on the financial statements of companies (Weissova et al,2015).…”
Section: Rating Agenciesmentioning
confidence: 99%
“…The data were collected from both COMPUSTAT and CRSP databases. Since S&P's considers predictor values as their three-year averages, this study follows the same method (Blume et al, 1998;Poon, 2003) However, as long as the missingness occurs at random then the sample will not introduce systematic bias in our analyses (Allison, 2001;Little and Rubin, 2002). We have no reason not to believe that the missingness occurred in COMPUSTAT and CRSP databases is missing at random.…”
Section: An Empirical Studymentioning
confidence: 99%
“…First, in this paper, we only used cross-sectional data to study the performance of OSPM. The model can also be applied to panel data with independence assumption (Blume et al, 1998;Poon, 2003;Güttler and Wahrenburg, 2007). Secondly, to account for the autocorrelations among panel data, we may introduce a dynamic OLPM or OSPM with autocorrelation structure (Lipsitz et al, 1994;Müller and Czado, 2005) to study credit ratings.…”
Section: Umentioning
confidence: 99%
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