Banking system stability in the MENA region: the impact of market power and capital requirements on banks’ risk-taking behavior

Miroslav Mateev and Tarek Nasr

International Journal of Islamic and Middle Eastern Finance and Management, 2023, vol. 16, issue 6, 1107-1140

Abstract: Purpose - This paper aims to investigate the impact of capital requirements and bank competition on banks' risk-taking behavior in the Middle East and North Africa (MENA) region. Design/methodology/approach - The study combines both descriptive and analytical approaches. It considers panel data sets and adopts panel data econometric techniques like fixed effects/random effects and generalized method of moments estimator. Findings - Regulatory capital and market competition have different effects according to the bank’s type (Islamic or conventional). The results show that the capital adequacy ratio has a significant impact on the credit risk of conventional banks (CBs) while this effect is irrelevant for Islamic banks (IBs). However, market competition plays a significant role in shaping risk-taking behavior of Islamic banking institutions. Our results indicate that banks with strong market power may pursue risky strategies in the face of increased regulatory pressure (e.g. increased minimum capital requirements). The results were robust to alternative profitability measures and endogeneity checks. Research limitations/implications - The most important limitation is the lack of data for some banks and years, and this paper had to exclude some variables because of missing observations. The second limitation concerns the number of IBs in the sample. However, this can be overcome by including more countries from MENA and other regions where Islamic banking is a growing phenomenon. Practical implications - Our findings call for a change in Islamic banking’s traditional business model based on the prohibition of interest. The analysis indicates that market concentration moderates the association between capital requirements and the insolvency risk of IBs but not CBs. Therefore, regulatory authorities concerned with improving financial stability in the MENA region should set up their policies differently depending on the level of banking market concentration. Finally, bank managers are requested to apply a more disciplined approach to their lending decisions and build sufficient capital conservation buffers to limit the impact of downside risk from the depletion of capital buffers during the pandemic. Originality/value - This study addresses banks’ risk-taking behavior and stability in the MENA region, which includes banks of different types (Islamic and conventional). This paper also contributes to the literature on bank stability by identifying the most critical factors that affect bank risk and stability in the MENA region, which can be relevant in the context of the new global (COVID-19) crisis.

Keywords: Market power; Capital regulation; Credit risk; Insolvency risk; Financial stability; G21; G28; G30; G38 (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eme:imefmp:imefm-05-2022-0198

DOI: 10.1108/IMEFM-05-2022-0198

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