The main subject of theoretical-empirical study presented in this paper is economic efficiency of companies listed on … essence and assessment measures of companies' economic efficiency. The second part presents the results of a comparative … empirical research on economic efficiency of the companies listed on the Warsaw Stock Exchange and included in the WIG30 index …

input and output orientation, for measuring efficiency. Further, the Tobit regression model is used in the second stage to … average efficiency scores of public sector banks (PSBs) are higher than private banks. The Z-score indicates that both PSBs … levels are significantly related to all types of efficiencies for private banks. On the other hand, the efficiency of PSBs is …