1. Production set o Transformation function T:9-)9 and satisfied {y:7(y)=0 Y={y∈界":7(y)≤0} if and only if y is technologically efficient then T(y)=0 Y={y∈界”:7(y)≤0} lecture 1 for Chu Kechen Honors Collegelecture 1 for Chu Kechen Honors College 1. Production set • Transformation function: and satisfied • if and only if y is technologically efficient, then : n T  →  { : ( ) 0} n Y y y =   T T( ) 0 y = y2 y1 { : ( ) 0} n Y y y =   T { : ( ) 0} y y T =