El Mehdi, Rachida; Hafner, Christian M. - In: International econometric review 13 (2021) 2, pp. 24-40
In presence of panel data, technical efficiency is used to compare the performances of Decision-Making Units (DMUs …). The novelty of this paper is the consideration of the dependence between the two error terms in the case of panel data and … balanced panel case, several models describing the evolution of the inefficiency over time and the dependence between the two …