Scandinavian Working Papers in Economics

SSE/EFI Working Paper Series in Economics and Finance,
Stockholm School of Economics

No 405: Dynamics of Technical Efficiency and Productivity Change under Central Planning: The Romanian Cement Industry 1966-1989

Mihai Cotfas, Almas Heshmati () and Lennart Hjalmarsson
Additional contact information
Mihai Cotfas: Department of Economics, Postal: University of Gothenburg, Box 640, SE 405 30 Göteborg, Sweden
Almas Heshmati: Dept. of Economic Statistics, Stockholm School of Economics, Postal: P.O. Box 6501, S-113 83 Stockholm, Sweden
Lennart Hjalmarsson: Department of Economics, Postal: University of Gothenburg, Box 640, SE 405 30 Göteborg, Sweden

Abstract: 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.

Keywords: Productivity change; productive efficiency; stochastic frontiers; time-varying efficiency; panel data; cement industry; Romania

JEL-codes: C23; D24; L61; O30

27 pages, October 16, 2000

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