Assaf, A. George; Barros, Carlos Pestana; Managi, Shunsuke - In: Applied Energy 88 (2011) 4, pp. 1441-1446
This study analyses and compares the cost efficiency of Japanese steam power generation companies using the fixed and random Bayesian frontier models. We show that it is essential to account for heterogeneity in modelling the performance of energy companies. Results from the model estimation...