In order to compare the performances of the banks listed on Istanbul Stock Exchange Banks Index; efficiency values of the banks selected from the mentioned index are calculated by Data Envelopment Analysis (DEA) based on their financial ratios for each year of 2010- 2013 period. The estimated efficiency rates are compared amongst themselves as a result of the analyses applied. Additionally; the efficiency changes of the banks in each term is calculated via Malmquist Index to determine the improvement or decline in the course of time.peer-reviewe
