15) For a particular competitive firm, the minimum value of average variable cost
(AVC) is $12 and is reached when 200 units of output are produced. For the same firm,
the minimum value of average total cost (ATC) is $15 and is reached when 230 units of
output are produced. Which of the following statements is correct?
a.In the short run, the firm will shut down if the price of its product is $14.
b.In the long run, the firm will shut down if the price of its product is $11.
c.For this firm, the minimum value of variable cost (VC) is $2,400.
d.If the firm‘s fixed cost (FC) amounts to $500, then the firm cannot earn a positive
profit unless the price of its product exceeds $16.
16) You love peanut butter. You hear on the news that 50 percent of the peanut crop in
the South has been wiped out by drought and that this will cause the price of peanuts to
double by the end of the year. As a result, your demand for peanut butter
a.will increase but not until the end of the year.
b.increases today.
c.decreases as you look for a substitute good.
d.shifts left today.
17) Before the flu season begins, Jeremy gets a flu shot. As a result, Jeremy and several
of his friends and relatives avoid the flu for the entire flu season. It would make sense
to argue that
a.flu shots provide a positive externality, and that flu shots should be subsidized.
b.if flu shots are not subsidized, then the number of people getting flu shots will be
smaller than the socially optimal number.
c.the externality generated by flu shots is more like the externality generated by
education than the externality generated by pollution.
d.All of the above are correct.