- If this firm was operating in a perfectly compet-
itive market, and the price was equal to 0g, eco-
nomic profit would be equal to which of the
following areas?
(A) abcd
(B) cdgh
(C) cdef
(D) eghf
(E) abgh
- Which is true of monopolistic competition?
(A) Firms earn long-run economic profits.
(B)P=MR =MC =ATC.
(C) Firms spend money to differentiate and
advertise their products.
(D) In the long run the market is allocatively
efficient.
(E) Excess capacity is eliminated in the long run.
- If firms are entering an industry that is monop-
olistically competitive, we would expect
(A) the demand for existing firms to shift right-
ward.
(B) the market price of the product to increase.
(C) the demand for existing firms to become
more inelastic.
(D) economic profits to rise for all firms.
(E) the demand for existing firms to shift leftward.
- Monopolistic competition is said to be produc-
tively inefficient because
(A) the long-run price is above minimum aver-
age total cost.
(B) long-run profits are positive.
(C) firms engage in collusive behavior.
(D) there exist no barriers to entry.
(E) there exist diseconomies of scale.
- One of the reasons that the government dis-
courages and regulates monopolies is that
(A) producer surplus is lost and consumer sur-
plus is gained.
(B) monopoly prices ensure productive effi-
ciency but cost society allocative efficiency.
(C) monopoly firms do not engage in signifi-
cant research and development.
(D) consumer surplus is lost with higher prices
and lower levels of output.
(E) lower prices and higher levels of output
create deadweight loss.
- What is one reason why the government dis-
courages collusion between large firms in the
same industry?
(A) Collusive output levels tend to increase,
driving the price above competitive levels.
(B) Consumer surplus falls as the price is driven
downward.
(C) Collusive output levels tend to decrease,
driving the price down to competitive
levels.
(D) Joint profit maximization drives profits
downward, forcing colluding firms to exit
the industry.
(E) Joint profit maximization costs society con-
sumer surplus as the price rises above com-
petitive levels.
- In a competitive labor market for housepainters,
which of the following would increase the
demand for housepainters?
(A) An effective minimum wage imposed on
this labor market.
(B) An increase in the price of gallons of paint.
(C) An increase in the construction of new
houses.
(D) An increase in the price of mechanical
painters so long as the output effect exceeds
the substitution effect.
(E) An increase in home mortgage interest rates.
- If a monopsony labor market suddenly were
transformed into a perfectly competitive labor
market, how would the wage and employment
change?
(A) Both would increase.
(B) Both would decrease.
(C) The wage would remain constant, but
employment would increase.
(D) The wage would fall, but employment
would increase.
(E) The wage would rise, but employment
would decrease.
- Which of the following is most likely to be true
in the long run for a monopoly firm?
(A)P=MR =MC =ATC
(B)P=MR =MC >ATC
(C)P >MR =MC =ATC
(D)P=MR >MC =ATC
(E)P >ATC >MR =MC
AP Microeconomics Practice Exam 1 ‹ 175
