''Small sample properties of ML, COLS and DEA estimators of frontier models in the presence of heteroscedasticity'' by A.N. Bojanic, S.B. Caudill and J.M. Ford, European Journal of Operational Research 108, 1998, 140-148: A comment

Author: Banker R.D.   Chang H.S.   Cooper W.W.  

Publisher: Elsevier

ISSN: 0377-2217

Source: European Journal of Operational Research, Vol.136, Iss.2, 2002-01, pp. : 466-467

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Abstract