Banker, R. D.; Charnes, A.; Cooper, W. W.; Schinnar, A. P. - In: Management Science 27 (1981) 12, pp. 1370-1382
A new approach is supplied for locating efficiency frontiers and evaluating the efficiency of Decision Making Units (DMU's). This is accomplished from observational data by means of an envelopment procedure called DEA (Data Envelopment Analysis) originally developed by Charnes, Cooper and Rhodes...