AbstractThe purpose of this research is the application of multi-criteria gray decision-making in evaluating the efficient use of resources (internal efficiency) in the banking industry of Iran. The studied sample includes 14 commercial banks from the years 2015 to 2021. In order to determine the order of importance and weight of factors predicting internal efficiency in the banking industry, first in the first phase, in order to identify the factors, according to the literature review and previous research, there are factors that are effective in evaluating the efficient use of resources in The banking industry was surveyed، In the second phase, brainstorming sessions were held with expert experts, which are completely targeted, to determine the importance and weight of factors predicting the efficient use of resources (internal efficiency) in the banking industry, using the hierarchical analysis process method, questionnaire Pairwise comparisons were made available to 35 experts. the factor "excess market return" is the first priority, the factor "irrationality of traders" is the second priority, the factor "financial leverage" in the third priority, "inflation rate" factor in the first priority, "liquidity" factor in the second priority, "interest rate risk" factor in the third priority, "liquidity risk" factor in the fourth priority, "credit risk" factor in In the fifth priority, the "economic growth" factor was placed in the sixth priority, the "market interest rate" factor in the seventh priority, the "bank size" factor in the eighth priority, and the "currency rate" factor in the ninth priority. تفاصيل المقالة