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Market power, efficiency and bank profitability: evidence from Ghana

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  • Abdul Alhassan
  • Michael Tetteh
  • Freeman Brobbey

Abstract

This study examines the determinants of bank profitability in Ghana within the market power, relative market power and efficient structure frameworks. Using annual data on 26 Ghanaian banks from 2003 to 2011, we employ the Herfindahl Index and concentration ratio as our proxies for market power hypothesis while efficiency scores from the data envelopment analysis is employed as a proxy for the efficient structure hypothesis. The system generalized method of moment is employed to estimate a panel data model with return on assets, return on equity and net interest margin as our proxies for bank profitability. The results of the empirical estimation reject both the market power and relative market power hypotheses in the Ghanaian banking industry. While technical efficiency is found to have a positive relationship with profitability to support the efficient structure hypothesis, a negative relationship between scale efficiency and profitability is reflected by the inability of banks to operate at the optimal scale of operations. We also document evidence on the low persistence of profit which suggests a competitive banking industry. Implications for industry regulation are discussed. Copyright Springer Science+Business Media New York 2016

Suggested Citation

  • Abdul Alhassan & Michael Tetteh & Freeman Brobbey, 2016. "Market power, efficiency and bank profitability: evidence from Ghana," Economic Change and Restructuring, Springer, vol. 49(1), pages 71-93, February.
    • Handle: RePEc:kap:ecopln:v:49:y:2016:i:1:p:71-93
    DOI: 10.1007/s10644-015-9174-6
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    Cited by:

    1. Nathaniel Blankson & Godfred Amewu & Kenneth Ofori-Boateng & Kwame Adanu, 2022. "Banking reforms, efficiency and competition: new empirical evidence from a panel vector autoregressive analysis of Ghanaian banks," SN Business & Economics, Springer, vol. 2(5), pages 1-24, May.
    2. Salah Mohammed Abdulahi & Mekonnen Kumlachew Yitayaw & Habtamu Legese Feyisa & Wondmagegn Biru Mamo, 2023. "Factor affecting technical efficiency of the banking sector: Evidence from Ethiopia," Cogent Economics & Finance, Taylor & Francis Journals, vol. 11(1), pages 2186039-218, December.
    3. Gu, Jing & Shi, Xinyu & Wang, Junyao & Xu, Xun, 2024. "Examining the impact of market power discrepancy between supply chain partners on firm financial performance," International Journal of Production Economics, Elsevier, vol. 268(C).
    4. Abayomi Oredegbe, 2020. "Canadian Banking Industry Profitability: Exploring the Relevance of Two Competing Hypotheses," International Journal of Economics and Finance, Canadian Center of Science and Education, vol. 12(4), pages 1-67, April.
    5. Vera-Gilces, Paul & Camino-Mogro, Segundo & Ordeñana-Rodríguez, Xavier & Cornejo-Marcos, Gino, 2020. "A look inside banking profitability: Evidence from a dollarized emerging country," The Quarterly Review of Economics and Finance, Elsevier, vol. 75(C), pages 147-166.
    6. Olszak, Małgorzata & Kowalska, Iwona, 2023. "Do competition and market structure affect sensitivity of bank profitability to the business cycle?," Pacific-Basin Finance Journal, Elsevier, vol. 80(C).
    7. Kwabena Owusu Banahene, 2018. "Ghana Banking System Failure: The Need for Restoration of Public Trust and Confidence," International Journal of Business and Social Research, LAR Center Press, vol. 8(10), pages 1-5, October.
    8. Roland Banya & Nicholas Biekpe, 2018. "Banking efficiency and its determinants in selected frontier african markets," Economic Change and Restructuring, Springer, vol. 51(1), pages 69-95, February.
    9. Syed Manzur Quader & Mohammad Nayeem Abdullah, 2020. "How financial market in Bangladesh appraises efficiency?," Economic Change and Restructuring, Springer, vol. 53(3), pages 475-494, August.
    10. Freeman Brobbey Owusu & Abdul Latif Alhassan, 2021. "Asset‐Liability Management and bank profitability: Statistical cost accounting analysis from an emerging market," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 26(1), pages 1488-1502, January.
    11. Muhammad Haris & Yong Tan & Ali Malik & Qurat Ul Ain, 2020. "A Study on the Impact of Capitalization on the Profitability of Banks in Emerging Markets: A Case of Pakistan," JRFM, MDPI, vol. 13(9), pages 1-21, September.
    12. Kwabena Owusu Banahene, 2018. "Ghana Banking System Failure: The Need for Restoration of Public Trust and Confidence," International Journal of Business and Social Research, MIR Center for Socio-Economic Research, vol. 8(10), pages 1-5, October.
    13. Zoran Grubišić & Sandra Kamenković & Tijana Kaličanin, 2022. "Market Power and Bank Profitability: Evidence from Montenegro and Serbia," Journal of Central Banking Theory and Practice, Central bank of Montenegro, vol. 11(1), pages 5-22.
    14. Usman Bashir & Shoaib Khan & Abdulhafiz Jones & Muntazir Hussain, 2021. "Do banking system transparency and market structure affect financial stability of Chinese banks?," Economic Change and Restructuring, Springer, vol. 54(1), pages 1-41, February.
    15. Hongxing Yao & Muhammad Haris & Gulzara Tariq, 2018. "Profitability Determinants of Financial Institutions: Evidence from Banks in Pakistan," IJFS, MDPI, vol. 6(2), pages 1-28, May.
    16. Martin Boďa & Emília Zimková, 2017. "Malmquist index analysis of the recent development of the Slovak banking sector from two different angles," Economic Change and Restructuring, Springer, vol. 50(2), pages 95-131, May.
    17. Ma³gorzata Olszak & Iwona Kowalska, 2021. "Do competition and market structure matter for sensitivity of bank profitability to business cycle?," Faculty of Management Working Paper Series 12021, University of Warsaw, Faculty of Management.
    18. Amin Jan & Maran Marimuthu & Muhammad Kashif Shad & Haseeb ur-Rehman & Muhammad Zahid & Ahmad Ali Jan, 2019. "Bankruptcy profile of the Islamic and conventional banks in Malaysia: a post-crisis period analysis," Economic Change and Restructuring, Springer, vol. 52(1), pages 67-87, February.
    19. Bijoy Rakshit & Samaresh Bardhan, 2022. "Does Bank Efficiency Enhance Bank Performance? Empirical Evidence From Indian Banking," Bulletin of Monetary Economics and Banking, Bank Indonesia, vol. 25(Special I), pages 103-124, March.
    20. Serhat Yüksel & Shahriyar Mukhtarov & Elvin Mammadov & Mustafa Özsarı, 2018. "Determinants of Profitability in the Banking Sector: An Analysis of Post-Soviet Countries," Economies, MDPI, vol. 6(3), pages 1-15, July.

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