Karagiannis, G.; Midmore, P.; Tzouvelekas, V. - In: Journal of Productivity Analysis 18 (2002) 1, pp. 23-38
This paper proposes an alternative model for separating technical change from time-varying technical inefficiency. The … proposed formulation uses the general index, developed by Baltagi and Griffin (1988), to model technical change in the … temporal pattern of technical inefficiency. In such a setting, all parameters associated with the rate of technical change and …