13) Which of the following statements is not correct?
a.Male workers with good looks tend to earn more than male workers with average
looks
b.If discriminating wage differentials persist in competitive markets, it is primarily
because employers chose to discriminate even in spite of customer preferences.
c.A higher level of human capital raises a worker’s wages.
d.In competitive markets, workers are paid a wage equal to the value of their marginal
product.
14) Suppose that when the price of good X falls from $6 to $4, the quantity demanded
of good Y rises from 30 units to 40 units. Using the midpoint method, the is
a.-0.71, and X and Y are complements.
b.-1.40, and X and Y are complements.
c.-0.71, and X and Y are substitutes.
d.-1.40, and X and Y are substitutes.
15) Suppose a profit-maximizing firm in a competitive market produces rubber bands.
When the market price for rubber bands rises above the minimum of its average
variable cost, but still lies below the minimum of average total cost, in the short run the
firm will
a.experience losses but will continue to produce rubber bands.
b.shut down.
c.earn both economic and accounting profits.
d.raise the price of its product.
16) Assume that Max and Min can switch between producing mittens and producing
hats at a constant rate.