Constant Returns to Scale Means That, Given Any Constant X $x Y = z F ( x K , x N d )$

Multiple Choice

Constant returns to scale means that, given any constant x > 0

A) $x Y = z F ( x K , x N d )$ .
B) $x Y = x z F ( x F , x N d )$ .
C) $x Y < z F ( x K , x N d )$ .
D) $x Y > z F ( x K , x N d )$ .
E) $x Y = Z ^ { x F ( K , N d ) }$ .