APPLICATION OF DEA METHOD IN MEASURING OF MARKET EFFICIENCY OF BANKS IN BOSNIA AND HERZEGOVINA AND REFLECTION OF THE COVID-19

By using the DEA method, paper measures market efficiency of banks in Bosnia and Herzegovina period 2017-2020, context challenges caused by COVID-19. The aims research are: a) to measure rank them method (applying three models CCR-O, BCC-O, Window-I-C), b) establish effect COVID-19 pandemic on observed banks, c) established link between volume digital banking services usage banks. results show that 2020, when appeared, CCR-O BCC-O revealed a decrease for 73.9% while Window-I-C model lower all regression analysis applied showed significant was established, pointing importance independent variables prediction dependent variable.