بررسي كارآيي بانك هاي اسلامي در كشورهاي مختلف جهان (با استفاده از روش تحليل پوششي داده ها)

Investigating the Efficiency of Islamic Banks in Different Countries (DEA Approach)

One of the most important problems in economic literature is the question of evaluating different parts of an organization and determining the indexes for this work. Therefore, we need some suitable indexes. In this context there are different methods, hut DEA method (Data Envelopment Analysis) is a very effective and dynamic index for measuring efficiency and productivity. In this method we seteet one or marc firms (hanks) [rom among the efficient firms and compare them with each other and calculate the input or output slacks of each inefficient firm. In this paper according to DBA method we have measured the efficiency of 40 Islamic banks in different countries with the assumption of variable return to scale (VRS) and constant rerum to scale (CRS). The results indicate that with CRS assumption, Qatar international Islamic bank. Sudan state bank, Pakistan kheibar hank, Bahrain alharaka hank, Bahrain Islamic ABC hank. Yamane Islamic hank, turkish albarakat Islamic bank proved efficient banks and with VRS assumption Qatar Islamic bank, Albany Islamic Arabic bank, Pakistan habib bank, Senegal Islamic bank, Qazaqestan state hank, Egypt SAE bank, Sudan state hank, Aboozabi Islamic bank, Pakistan kheibar bank, Bahrain Albaraka Islamic bank, Bahrain Islamic ABC bank, Kcshavrzi hank, Maskan bank, Melli bank, Rcfah bank, Saderat bank. Yamane Islamic bank and Turkish albarakat bank provedefficient