1. Production set Production plan(production vector, or input-output vector): y=(,y2," ...,yn) Production set Y: all technological feasible 艺Y={y∈界?" y are technologically feasible} o Restricted production set Y(z) Some of yi in y are restricted on z Short-run production set lecture 1 for Chu Kechen Honors Collegelecture 1 for Chu Kechen Honors College 1. Production set • Production plan (production vector, or input-output vector): • Production set Y: all technological feasible y. • Restricted production set Y (z): – Some of yi in y are restricted on z . – Short-run production set. 1 2 ( , , , ) n y =  y y y { : are technologically feasible} n Y y y = 