Education is a key area that should matter to the whole society. Measuring efficiency in education is a widely discussed academic and professional topic. The presented article focuses on investigating the efficiency of 57 elementary schools in the city of Bratislava. We used a two-step approach....

Data Envelopment Analysis (DEA) is a widely used tool to estimate relative efficiencies. However, this methodology encounters issues when between-group comparisons with variable returns of scale (VRS) are of interest. In this specification efficiency scores can be undefined when the projection...

The banking system is one of the most important components of the financial systems on which modern economies are largely based. The occurrence of instability in this area may lead to serious economic problems. Therefore, the interest of researchers in this area has been focused mainly on...