BANKING EFFICIENCY: A COMPARATIVE STUDY BETWEEN ISLAMIC AND CONVENTIONAL BANKS IN GCC COUNTRIES
Keywordsbanking efficiency, CIR ratio, conventional banks, Islamic banks, stochastic frontier analysis
This research aims at comparing the efficiency of Islamic and conventional banks operating in the GCC countries from 2006 to 2015 for a sample of 51 conventional and 48 Islamic banks using stochastic frontier analysis and the CIR ratio. The results show that Islamic banks are less efficient in terms of cost than conventional banks, and that this result remains valid even during the 2008 crisis period and even after controlling for bank-specific variables. Regarding the determinants of bank efficiency, empirical results show that capital adequacy and size positively affect bank efficiency as measured by the stochastic frontier analysis. Results also indicate that productive assets are negatively related to efficiency as measured by the CIR ratio. This study provides new insights in terms of financial efficiency of the banking system. Findings could help Islamic and conventional banks to increase their efficiency and their performance and improve the service provided to customers.
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