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Temporal patterns of technical efficiency: Results from competing models
Kumbhakar, Subal C., (1997)
ARTICLES - Parametric Approaches to Productivity Measurement: A Comparison among Alternative Models
Kumbhakar, Subal C., (1999)
Efficiency of the Swedish pork industry: A farm level study using rotating panel data 1976-1988
Heshmati, Almas, (1995)