Cheng, Xiaomei; Bjorndal, Endre; Lien, Gudbrand; … - 2015
incentives were further strengthened with the introduction of yardstick regulation in 2007. We examine the productivity … examine productivity change, with the usual decompositions into efficiency change, technical change, and scale efficiency … productivity change estimates, and we therefore perform our analysis with and without capital costs. Our results indicate a …