Input and output isoquants 只能能共影与 An input isoquant Isoq l(y)={x:(y,x)∈PT,x∈(Y),<1}7.4 An output isoquant Iso P(x)={y:(y,x)∈PT,ey∈/P(x),0>1}7.5
Input and output isoquants An input isoquant Isoq L(y)=｛x: (y, x) ∈PT, λx ∈ L(Y), λ＜1｝ 7.4 An output isoquant Isoq P(x)=｛y: (y, x) ∈PT, θy ∈ P(x), θ＞1｝ 7.5
Definiting the technical dfficiency The definition for input-oriented technical efficiency is given by the function TEn(y,x)=minx:y≤f(x)}0<TE1(y,x)≤1 7.6 The definition for input-oriented technical efficiency is given by the function TEo(y,x)=[max{0:0y≤f(x)}10<TE0(y,x)≤1
Definiting the technical dfficiency The definition for input-oriented technical efficiency is given by the function TE1 (y, x) = min{λ:y ≤ f (λx)} 0＜ TE1 (y, x) ≤1 7.6 The definition for input-oriented technical efficiency is given by the function TE0 (y, x) = [max{θ:θy ≤ f (λx)}]-1 0＜ TE0 (y, x) ≤1 7.7