Suppose the price of a football is $20.00 and the price of a basketball is $10.00. The ________ of a football is ________

An increase in population growth in a country

A) always causes an increase in labor resources. B) may not necessarily cause an increase in per capita real GDP. C) may not cause an increase in labor resources in rich countries because employers will cut down on the number of hours required of workers. D) will always cause an increase in per capita real GDP.

The demand curve for the output of a perfectly competitive firm is

a. perfectly inelastic b. perfectly elastic c. unit elastic d. downward sloping e. nonlinear