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 the introduction of time effect models in the Stochastic...