Forecasting and Evaluation of Non-Performing Loans in the Turkish Banking Sector

Hazar Altınbaş and Gülay Hanişoğlu
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Hazar Altınbaş: Beykent Üniversitesi
Gülay Hanişoğlu: Beykent Üniversitesi

Istanbul Business Research, 2023, vol. 52, issue 2, 381-406

Abstract: In recent years, there is an increasing trend in non-performing loan levels in Turkey which causes stress both on the real and financial sectors. Increasing non-performing loan volumes are an indication of problems in sectors or the general economy. It is also closely related with the stability of the banking system. It is therefore important for regulatory/ supervisory institutions and banks to be able to predict problematic loan levels successfully, for better policy making and management. For this purpose, non-performing loans to credit ratio in Turkey for the dates between the first quarter of 2015 and fourth quarter of 2019 were forecasted with two machine learning methods, namely random forests and boosted trees, by using data starting from the first quarter of 2003. Lagged values of several macroeconomic, bankspecific and uncertainty factors are included as determinant variables in the analyses. Methods provide insight about the relationship of included variables with non-performing loans. Our results indicate partial dependencies and positive relationship between non-performing loans and inflation, interest rate and capital adequacy ratios, and negative relationship with credit to gross domestic product ratio.

Keywords: Banking Regulations; Financial System; Time-Series Forecasting; Machine Learning (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:ist:ibsibr:v:52:y:2023:i:2:p:381-406

DOI: 10.26650/ibr.2023.52.994354

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