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Heteroscedasticity in stochastic frontier models : a Monte Carlo analysis

Guermat, Cherif; Hadri, Kaddour - 1999

Persistent link: https://www.econbiz.de/10001398341

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

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

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

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

Estimating Farm Efficiency in the Presence of Double Heteroscedasticity Using Panel Data

Guermat, Cherif; Hadri, Kaddour; Whittaker, Julie M. - 2015

The accuracy of technical efficiency measures is important given the interest in such measures in policy discussions. In recent years the use of stochastic frontiers has become popular for estimating technical inefficiency, but estimated inefficiencies are sensitive to specification errors. One...

Persistent link: https://www.econbiz.de/10014028978

Estimation of a doubly heteroscedastic stochastic frontier cost function

Hadri, Kaddour - In: Journal of business & economic statistics : JBES ; a … 17 (1999) 3, pp. 359-363

Persistent link: https://www.econbiz.de/10001410720

Estimation of technical inefficiency effects using panel data and doubly heteroscedastic stochastic production frontiers

Hadri, K.; Guermat, C.; Whittaker, J. - In: Empirical Economics 28 (2003) 1, pp. 203-222

In previous studies, measures of technical inefficiency effects derived from stochastic production frontiers have been estimated from residuals which are sensitive to specification errors. This study corrects for this inaccuracy by extending the doubly heteroscedastic stochastic cost frontier...

Persistent link: https://www.econbiz.de/10005612906