Cotfas, Mihai; Heshmati, Almas; Hjalmarsson, Lennart - Economics Institute for Research (SIR), … - 2000
This paper investigates the time-path of efficiency and productivity change in the case of the Romanian cement industry 1966-1989. The analysis is based on different specifications of stochastic frontier models. The efficiency scores and the time paths of efficiency and technical change are...
