6Malmquist Sten. Index Numbers and Indifference Surfaces [ J ]. Trabajos de Estadistica, 1953 (4) :209 - 232.
7Caves D W,Christensen L R,Diewert W E. The Economic Theory of Index Numbers and the Measurement of Input, Output and Productivity[ J]. Econometrica, 1982 ( 5 ) : 1393 - 1414.
8Fare Rolf, Shawna Grosskopf, Mary Norris, Zhongyang Zhang. sProductivity Growth, Technical Progress, and Efficiency Change in Industrialized Coutries [ J ]. American Economic Review, 1994, 84 (1) :66 -83.