Cotfas, Mihai Heshmati, Almas Hjalmarsson, Lennart
Year of Publication:
SSE/EFI Working Paper Series in Economics and Finance 405
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 found to vary substantially among models. The most important feature of the Romanian cement industry before the revolution in 1989 is a slow rate of productivity progress, and a corresponding catch up in the level of productive efficiency.
Productivity change productive efficiency stochastic frontiers time-varying efficiency panel data cement industry Romania