SME default prediction using random forest including nonfinancial features: An empiricial analysis of German enterprises

Constantin Siggelkow and Roberto Marquez Fernandez

Journal of the International Council for Small Business, 2024, vol. 5, issue 2, 129-147

Abstract: Having accurate company default prediction models is vital for both financial institutions and businesses, especially small and medium enterprises (SMEs). Although these firms play a significant role in the economy of every country, they have a different risk profile than large companies. However, as these companies are not required to publish financial information and, further, display unique market characteristics, related financial data are scarce, which underlines the necessity of a precise and easily adaptable risk model. Our study applies random forests (RFs) to a sample of approximately three million German SMEs. Results show that compared to traditional methods, RFs can make a greater contribution to SME credit-risk evaluation in terms of prediction power and bridge the gap between statistical strength and business interpretability. They also show that, due to the lack of financial data, nonfinancial features play a significant role in risk modeling for these companies.

Date: 2024
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DOI: 10.1080/26437015.2023.2224108

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