9) Which of the following groups has the lowest poverty rate?
A.Married-couple families.
B.Whites.
C.Foreign-born (not citizens).
D.Asians.
10) Which of the following is not one of the new taxes imposed under the PPACA?
A.2.9 percent excise tax on medical devices.
B.10 percent tax on indoor tanning.
C.3.8 percent tax on “junk food.”
11) Which is not true for a monopolistically competitive industry?
A.Firms tend to operate with excess capacity
B.Each firm faces a downward-sloping demand curve
C.These firms earn zero economic profits in the long run
D.Firms operate at the lowest point of their ATC curves in the long run
12) A constant-cost industry is one in which:
A.a higher price per unit will not result in an increased output.
B.if 100 units can be produced for $100, then 150 can be produced for $150, 200 for
$200, and so forth.
C.the demand curve and therefore the unit price and quantity sold seldom change.
D.the total cost of producing 200 or 300 units is no greater than the cost of producing
100 units.
13) The MRP curve is the resource demand curve for:
A.neither the purely competitive nor the imperfectly competitive seller.
B.the imperfectly competitive seller but not the purely competitive seller.
C.the purely competitive seller but not the imperfectly competitive seller.
D.both the purely competitive and imperfectly competitive seller.