1. Production set Input requirement set All v in y are negative, let them bex (then X is positive), and the rest yi to be q So,x∈+andq∈,andy=(q,-x)∈ the input requirement set is v(q)={x∈界:(q,-x)∈Y} lecture 1 for Chu Kechen Honors Collegelecture 1 for Chu Kechen Honors College 1. Production set • Input requirement set: – All yi in y are negative, let them be –x (then x is positive), and the rest yj to be q . – So, and , and – the input requirement set is : I + x O q+ ( ) n = + y q, -x ( ) { : ( , ) } I V q x q x Y =  −  +