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Using accounting ratios to distinguish between Islamic and conventional banks in the GCC region

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  • Olson, Dennis
  • Zoubi, Taisier A.

Abstract

This study determines whether it is possible to distinguish between conventional and Islamic banks in the Gulf Cooperation Council (GCC) region on the basis of financial characteristics alone. Islamic banks operate under different principles, such as risk sharing and the prohibition of interest, yet both types of banks face similar competitive conditions. The combination of effects makes it unclear whether financial ratios will differ significantly between the two categories of banks. We input 26 financial ratios into logit, neural network, and k-means nearest neighbor classification models to determine whether researchers or regulators could use these ratios to distinguish between the two types of banks. Although the means of several ratios are similar between the two categories of banks, non-linear classification techniques (k-means nearest neighbors and neural networks) are able to correctly distinguish Islamic from conventional banks in out-of-sample tests at about a 92% success rate.

Suggested Citation

  • Olson, Dennis & Zoubi, Taisier A., 2008. "Using accounting ratios to distinguish between Islamic and conventional banks in the GCC region," The International Journal of Accounting, Elsevier, vol. 43(1), pages 45-65, March.
  • Handle: RePEc:eee:accoun:v:43:y:2008:i:1:p:45-65
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    References listed on IDEAS

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    1. Aggarwal, Rajesh K & Yousef, Tarik, 2000. "Islamic Banks and Investment Financing," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 32(1), pages 93-120, February.
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    3. Olson, Dennis & Mossman, C, 2001. "Cross-Correlations and Predictability of Stock Returns," Journal of Forecasting, John Wiley & Sons, Ltd., vol. 20(2), pages 145-160, March.
    4. Pamela K. Coats & L. Franklin Fant, 1993. "Recognizing Financial Distress Patterns Using a Neural Network Tool," Financial Management, Financial Management Association, vol. 22(3), Fall.
    5. Knez, Peter J & Ready, Mark J, 1996. "Estimating the Profits from Trading Strategies," Review of Financial Studies, Society for Financial Studies, vol. 9(4), pages 1121-1163.
    6. Grais, Wafik & Pellegrini, Matteo, 2006. "Corporate governance and Shariah compliance in institutions offering Islamic financial services," Policy Research Working Paper Series 4054, The World Bank.
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