Triantis, Konstantinos; Girod, Olivier - In: Journal of Productivity Analysis 10 (1998) 1, pp. 85-102
A three stage approach is proposed to measure technical efficiency in a fuzzy environment. This approach uses the traditional data envelopment analysis framework and then merges concepts developed in fuzzy parametric programming (Carlsson and Korhonen, 1986). In the first stage, vague input and...