Fare, R.; Grifell-Tatje, E.; Grosskopf, S.; Lovell, C.A.K. - EconWPA - 1995
The Malmquist productivity index has many attractive features. One is that it decomposes into a technical efficiency change index and a technical change index. Under constant returns to scale, its technical efficiency change index has been decomposed into a "pure" technical efficiency change...