The effect of NPLs management in the PIIGS banking efficiency: an approach using non-parametric partial order-m frontiers

Emmanouil G. Chalampalakis, Ioannis Dokas and Eleftherios Spyromitros

Journal of Economic Studies, 2023, vol. 51, issue 3, 692-711

Abstract: Purpose - This study focuses on the banking systems evaluation in Portugal, Italy, Ireland, Greece and Spain (known as the PIIGS) during the financial and post-financial crisis period from 2009 to 2018. Design/methodology/approach - A conditional robust nonparametric frontier analysis (order-m estimators) is used to measure banking efficiency combined with variables highlighting the effects of Non-Performing Loans. Next, a truncated regression is used to examine if institutional, macroeconomic, and financial variables affect bank performance differently. Unlike earlier studies, we use the Corruption Perception Index (CPI) as an institutional variable that affects banking sector efficiency. Findings - This research shows that the PIIGS crisis affects each bank/country differently due to their various efficiency levels. Most of the study variables — CPI, government debt to GDP ratio, inflation, bank size — significantly affect banking efficiency measures. Originality/value - The contribution of this article to the relevant banking literature is two-fold. First, it analyses the efficiency of the PIIGS banking system from 2009 to 2018, focusing on NPLs. Second, this is the first empirical study to use probabilistic frontier analysis (order-m estimators) to evaluate PIIGS banking systems.

Keywords: Bank efficiency; PIIGS; NPLs; LLPs; Partial frontiers; m-order estimator; Truncated regression; Corruption perception index; E10; M41; G21; C67; C80 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eme:jespps:jes-12-2022-0678

DOI: 10.1108/JES-12-2022-0678

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