Which of the Following Is True?
A) the Cobb-Douglas $\mathrm { Q } = \mathrm { AL } \mathrm { K } ^ { \beta }$

Multiple Choice

Which of the following is true?

A) The Cobb-Douglas production function is given by the general formula $\mathrm { Q } = \mathrm { AL } \mathrm { K } ^ { \beta }$ and the constant elasticity of substitution is equal to 0 .
B) The Cobb-Douglas production function is given by the general formula $\mathrm { Q } = \mathrm { AL } \mathrm { K } ^ { \beta }$ and the constant elasticity of substitution is equal to 1 .
C) The Cobb-Douglas production function does not exhibit a constant elasticity of substitution.
D) The Cobb-Douglas production function always takes the form $Q = K ^ { 2 } L ^ { 2 }$ .