DEA Window analysis approach for measuring the efficiency of Serbian banks

Efficiency assessment based on multiple inputs and outputs which are not necessarily financial is considered to be a complex process. Data envelopment analyses (DEA) is firstly introduced for the purpose of evaluating the efficiency of non-profit units. In this paper, an extended DEA Window analysis is used for the efficiency assessment of banks in Serbia based on panel data for the period from 2005 to 2011. This analysis provides trends of efficiency and the rank of each bank evaluated in terms of its profit and operating effectiveness. Furthermore, the obtained results allow for an analyses of trends of the overall banking sector efficiency.