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The impact of revenue diversification on bank profitability and risk: evidence from MENA banking industry

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  • Nesrine Ammar
  • Adel Boughrara

Abstract

The aim of this paper is to investigate the effects of revenue diversification on bank performance while shedding light on the impact of the shift towards non-interest income sources. To this end, we use a sample of 275 banks from fourteen MENA countries over 1990–2011. The model estimation using the GMM system reveals that diversification, when taken as a whole, improves bank profitability. We also split the non-interest income and we find that trading-generating business lines contribute the most to boosting profitability and stability. Engaging in non-interest-related activities worsens the benefit-cost trade-off of diversification, induced by the increased insolvency risk.

Suggested Citation

  • Nesrine Ammar & Adel Boughrara, 2019. "The impact of revenue diversification on bank profitability and risk: evidence from MENA banking industry," Macroeconomics and Finance in Emerging Market Economies, Taylor & Francis Journals, vol. 12(1), pages 36-70, January.
    • Handle: RePEc:taf:macfem:v:12:y:2019:i:1:p:36-70
    DOI: 10.1080/17520843.2018.1535513
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    Cited by:

    1. Shabir, Mohsin & Jiang, Ping & Shahab, Yasir & Wang, Wenhao & Işık, Özcan & Mehroush, Iqra, 2024. "Diversification and bank stability: Role of political instability and climate risk," International Review of Economics & Finance, Elsevier, vol. 89(PB), pages 63-92.
    2. Haddou, Samira, 2022. "International financial stress spillovers to bank lending: Do internal characteristics matter?," International Review of Financial Analysis, Elsevier, vol. 83(C).
    3. Davis, E Philip & Ali Abdilahi, Ridwa, 2022. "Econometric Analysis of the Determinants of Bank Profitability in Three Major African Counties: Kenya, Nigeria and South Africa," National Institute of Economic and Social Research (NIESR) Discussion Papers 536, National Institute of Economic and Social Research.
    4. Ochenge, Rogers, 2022. "The effect of revenue diversification on bank profitability and stability during the COVID-19 Pandemic: Evidence from Kenya," KBA Centre for Research on Financial Markets and Policy Working Paper Series 59, Kenya Bankers Association (KBA).
    5. Zouaoui, Haykel & Zoghlami, Feten, 2020. "On the income diversification and bank market power nexus in the MENA countries: Evidence from a GMM panel-VAR approach," Research in International Business and Finance, Elsevier, vol. 52(C).
    6. Haykel Zouaoui & Faten Zoghlami, 2023. "What do we know about the impact of income diversification on bank performance? A systematic literature review," Journal of Banking Regulation, Palgrave Macmillan, vol. 24(3), pages 286-309, September.
    7. Ozili, Peterson, 2021. "Bank profitability determinants: comparing the United States, Nigeria and South Africa," MPRA Paper 105638, University Library of Munich, Germany.

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