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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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Efficiency, environmental contaminants and farm size : testing for links using stochastic production frontiers
Hadri, Kaddour; Whittaker, J. - 1995
Persistent link: https://www.econbiz.de/10000943448