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The Association Between Data Intermediaries And Bond Rating Classification Model Prediction Accuracy, Pavani Tallapally
The Association Between Data Intermediaries And Bond Rating Classification Model Prediction Accuracy, Pavani Tallapally
Doctoral Dissertations
Kamstra et al. (2001) developed a bond rating classification model that was based on a similar model developed by Ederington (1985). While both studies use Moody's bond ratings as dependent variables, the studies differ with respect to the independent variable data source, that is, Kamstra et al. (2001) use financial statement data extracted from Moody's Industrial Manual (now known as Mergent) while Ederington (1985) uses financial statement data extracted from Compustat. Given this, and given the divergent results of the two studies, the following question must be addressed: Do different data sources yield models that differ considerably with respect to …