A fixed input is an input whose quantity
a. can be changed as output changes in the short run.
b. cannot be changed as output changes in the short run.
c. cannot be changed as output changes in the long run.
d. a and c
e. b and c
If a labor union tries to reduce the availability of substitutes for the product it sells, it is
attempting to affect the __________ for labor. But if it tries to increase substitute factor
prices, it is attempting to affect the __________ labor.
a. elasticity of demand; supply of
b. demand; elasticity of demand for
c. elasticity of demand; demand for
d. demand; supply of
e. none of the above
The perfectly competitive firm charges a price equal to __________ while the