Özet:

The aim of the study is to determine the efficiency level of the existing deposit banks in Turkey and to determine which ones work more effectively. In the research, the data covering the years 2012-2021 were obtained from the Banks Association of Turkey (TBB) data set. State-owned, private-capital and foreign-capital deposit banks operating in Turkey were used in the analysis in the research. Evaluated as an activity method in the study BCC-O (output oriented under variable returns to scale), Data Envelopment Analysis (DEA) was used. "Equity/Total Assets, Interest Expenses/Total Assets" were used as input variables, "Interest income/Total Assets, Total Loans/Total Assets, Net Period Profit-Loss/Paid Capital" were used as output variables in the study. When the BCC-O efficiency results of the Deposit banks included in the analysis are examined, it is seen that the number of years in which the deposit banks have reached the efficiency score is higher than the number of years that they have not reached the efficiency score.

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