If the security guards can be hired for $45 per day, how many guards should the shop hire?
93. Assume that skilled labor costs twice as much as unskilled labor, a profit-maximizing firm will
always hire more skilled labor because it is more productive.
always hire more unskilled labor because it is cheaper.
hire until it equalizes the two marginal products.
hire until the marginal product of unskilled labor is one-half that of skilled labor.
hire until the marginal product of unskilled labor is two times that of skilled labor.
94. A profit-maximizing farmer will apply additional units of fertilizer until the marginal revenue product
(MRP) of fertilizer is half the MRP of skilled labor when a unit of fertilizer
costs twice as much as a unit of skilled labor.
costs half as much as a unit of skilled labor.
is half as productive, on average, as a unit of skilled labor.
is twice as productive, on average, as a unit of skilled labor.
95. Suppose a U.S. automotive manufacturer was considering moving to Mexico to take advantage of the
lower wage rates for unskilled Mexican labor. The typical Mexican worker could produce 20 cars per
day, while the firm’s typical U.S. worker can produce 50 cars per day. If the firm currently pays its
U.S. workers an hourly wage of $25, economic theory suggests that the firm should
move to Mexico if the Mexican hourly wage is less than $25.
move to Mexico if the Mexican hourly wage is $15.
move to Mexico if the Mexican hourly wage is $12.
only move to Mexico if the Mexican hourly wage is less than $10.
96. What happens to labor supply in the pear-picking market when the wage paid to apple pickers
increases?
The labor supply will stay unchanged until the wages paid to pear pickers change.
The labor supply will decrease.
The labor supply will increase.
The labor supply may fall or rise, depending on the price of pears.