Application of Data Envelopment Analysis Technique in Iran Banking System

Data Envelopment Analysis (DEA) is a mathematical model that evaluates the relative efficiency of Decision Making Units (DMUs). The purpose of this paper was systematic study of applying this technique in Iran Banking System. In this systematic review that was conducted in September 2017, initially by searching keywords in scientific databases attempted to search the research has been conducted a bout DEA in Iranian banks regardless of the time of publication that a total of 409 research was found. Then 349 researches were removed from the study because of the irrelevant, repetitive and inaccessibility to the full text. Then attempted to statistical analysis of 60 remaining researches via Excel 2010 software. 80 percent of the researches were published in 2009 onwards. Most research has been conducted in Tehran Province and Melli and Saderat banks. The variety of choices outputs and inputs indexes was very high. In 36.7 percent of researches; input oriented model is used also in 36.7 percent of researches constant returns to scale is assumed. The results showed that although the interest of Iranian researchers in this field has increased, each with a particular view has analyzed the efficiency of the banks and have achieved different results.