A practical approach to credit scoring

Authors:
Jae H. Min;Young-Chan Lee
Affiliations:
Sogang University, Seoul, Republic of Korea;College of Commerce and Economics, Dongguk University, Gyeongju, Gyeongbuk 780-714, Republic of Korea
Venue:
Expert Systems with Applications: An International Journal
Year:
2008

Citing 5
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Abstract

This paper proposes a DEA-based approach to credit scoring. Compared with conventional models such as multiple discriminant analysis, logistic regression analysis, and neural networks for business failure prediction, which require extra a priori information, this new approach solely requires ex-post information to calculate credit scores. For the empirical evidence, this methodology was applied to current financial data of external audited 1061 manufacturing firms comprising the credit portfolio of one of the largest credit guarantee organizations in Korea. Using financial ratios, the methodology could synthesize a firm's overall performance into a single financial credibility score. The empirical results were also validated by supporting analyses (regression analysis and discriminant analysis) and by testing the model's discriminatory power using actual bankruptcy cases of 103 firms. In addition, we propose a practical credit rating method using the predicted DEA scores.