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Estimating farm efficiency in the presence of double heteroscedasticity using panel data
Hadri, Kaddour; Guermat, Cherif; Whittaker, J. - In: Journal of applied economics 6 (2003) 2, pp. 255-268
Persistent link: https://www.econbiz.de/10002091412
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Doubly heteroscedastic stochastic production frontiers with an application to English cereal farms
Hadri, Kaddour; Guermat, Cherif; Whittaker, J. - 1999
Persistent link: https://www.econbiz.de/10001425821
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Estimation of technical inefficiency effects using panel data and doubly heteroscedastic stochastic production frontiers
Hadri, Kaddour; Guermat, Cherif; Whittaker, J. - In: Empirical economics : a journal of the Institute for … 28 (2003) 1, pp. 203-222
Persistent link: https://www.econbiz.de/10001724174
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Doubly heteroscedastic stochastic production frontiers with technical inefficiency effects : application to panel data of english cereal farms
Hadri, Kaddour; Guermat, Cherif; Whittaker, J. - 1999
Persistent link: https://www.econbiz.de/10001468786