Pastor, Jesús T.; Asmild, Mette; Lovell, C.A. Knox - In: Socio-Economic Planning Sciences 45 (2011) 1, pp. 10-15
In this paper we introduce a new Malmquist productivity index that has three attractive features: it avoids linear programming infeasibilities under variable returns to scale, it allows for technical regress, and it does not need to be recomputed when a new time period is added to the data set....