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Efficiency measurement in rotating panel data
Heshmati, Almas, (1998)
Farm heterogeneity and technical efficiency : some results from Swedish dairy farms
Heshmati, Almas, (1994)
Farm heterogeneity and technical efficiency : a panel data model of Swedish dairy farms
Heshmati, Almas, (1991)
Parametric approaches to productivity measurement : a comparison among alternative models
Kumbhakar, Subal, (1999)
Efficiency of the Swedish pork industry : a farm level study using rotating panel data 1976 - 1988
Heshmati, Almas, (1992)