6AIGNER D J,LOVELL C A,SCHMIDT P.Formulation and estimation of stochastic production function models[J].Journal of Econometrics,1977 (6):21-37.
7MEEUSEN W,VAN DEN BROECK J.Efficiency estimation from cobb -douglas production function with composed error[J].International Economics Review,1977(18):435-444.
8KOOPMANS T C.An analysis of production as an efficient combination of activities[C]//Koopmans T C.Activity analysis of production and allocation.New York:Cowles Commission for Research in Economics,1951:13.
9FARRELL M J.The measurement of production efficiency[J].Journal of Royal Statistical Society,1957,120(3):253-281.