Practice Questions: Micro Test #3
Quantity Price Total Cost
0 $5
1 $22 17
2 20 28
3 18 41
4 16 61
5 14 91
1. Ben Fisher's Rotisserie Steak Restaurant can
sell different quantities of steaks it produces at the prices and costs listed
above. On the basis of the information in the table above, how many steaks
should Ben make?
a. 1
b. 2
c. 3
d. 4
e. 5
2. Firms in Monopolistic Competition usually face markets with…
a. few competitors.
b. very inelastic
demand.
c. some degree of
product differentiation among the firms.
d. no decent substitutes
available for the product in question.
e. almost completely
inelastic demand curves.
3. Which of the following describes what will
happen to market price and market quantity if firms in a competitive market
band together to form a cartel?
Price Quantity
a. Decrease Decrease
b. Decrease Increase
c. Increase Increase
d. Increase Decrease
e. Increase No Change
4. Imperfectly competitive firms may allocate
resources inefficiently because they produce at a level of output where…
a. average total cost is
at its lowest point.
b. price equals marginal
revenue.
c. marginal revenue is
greater than marginal cost.
d. price equals marginal
cost.
e. price is greater than
marginal cost.
5. A natural monopoly occurs in an industry if…
a. economies of scale
make it most efficient for only one firm to exist in that market.
b. a single firm has
gained control of scarce resources through competition.
c. a single firm
produces inputs for use by other firms.
d. only one firm has the
technology to produce the product sold in the market.
e. a single firm has
received a patent on an invention.

6. If the government intended to regulate this
monopoly in order to achieve the socially optimum level of output, they would
choose…
a. Q1, allowing the firm
to earn economic profits.
b. Q2 because the costs
per unit of output are low.
c. Q2 because that
allows the firm to earn a fair return.
d. Q3, but they would
have to subsidize the firm to keep it in the market.
e. Q3, allowing the firm
to earn an economic profit.
7. Which of the following is true about firms in the long run?
a. Perfectly competitive
firms reach a long run equilibrium where TR>TC.
b. Oligopoly firms reach
a long-run equilibrium because there is competition in their market.
c. Monopolistically
competitive firms cannot reach a long-run equilibrium because of product
loyalty.
d. Oligopoly
markets do not reach a long-run equilibrium because there is only one firm.
e. Monopolistically
competitive firms reach a long-run equilibrium because it is easy to enter and
exit their market.

8. Which of the following statements is true of the graph above?
I. This firm should exit the market in the short run.
II. This perfectly competitive firm should shut down in the short run.
III. This monopolistically competitive firm is losing money.
a. I
only e.
I and III only
b. II
only f. II and III only
c. III
only g. I,II and III only
d. I
and II only h. none of the above
9. With respect to the
pure monopolist's demand curve it can be said that:
a. the stronger the barriers to entry, the more
elastic is the monopolist's demand curve.
b. price exceeds marginal revenue at all outputs
greater than 1.
c. demand is perfectly inelastic.
d. marginal revenue equals price at all outputs.
e. price
exceeds average revenue at all outputs.
10. In the market
for Goldberg Grains (a breakfast cereal made from wheat), what will happen to
equilibrium price and quantity after both of the following take place?
• The
price of Peter Puffs (a breakfast cereal made from rice) decreases by 15%.
• Wheat
farmers in the USA have a record crop that drives down the cost of wheat by
20%.
Price of Goldberg Grains Quantity of Goldberg
Grains
a. Increase Increase
b. Increase Indeterminate
c. Indeterminate Increase
d. Decrease Indeterminate
e. Decrease Decrease
11. A firm is practicing price discrimination if:
12. Of the following, which could most easily
practice price discrimination?
Questions 13
and 14 are based on the following graph for a monopolist.

13. To maximize profit, the monopolist must
produce ______ units of output and charge a price of ______.
14. At the profit maximizing level of output, the
monopolist is making an economic profit of:
15. A feature that distinguishes oligopoly from
monopoly and perfect competition is that oligopolistic
firms
a. make
positive economic profits.
b. produce
inefficiently.
c. do
not attempt to maximize profits.
d. consider
the impact of their behavior on other firms.
e. charge
a price that is less than marginal cost.
16. The typical firm in a monopolistic competition
earns zero economic profit in long-run equilibrium
because
a. advertising
costs make monopolistic competition a high cost market structure rather than a
low cost one.
b. the
firms in the industry do not operate at the minimum point of their average
total cost curve.
c. entry
and exit from the industry is easy.
d. the
firms in the industry are unable to engage in product differentiation.
e. there
are close substitutes for each firm's product.
17. If there are significant economies of scale
in an industry, then
a. a
firm which is large will be forced to produce at a higher unit cost than a
small firm.
b. a
firm which is large may be able to charge a lower price than can a small firm.
c. the
industry is more likely to be organized as monopolistic competition than as
oligopoly.
d. the
demand will be price elastic throughout the entire relevant range of output.
e. new
firms will easily be able to enter the industry.
18. In the long-run, compared to a perfectly
competitive firm, a monopolistically competitive firm with
the same costs will
have
a. a
higher price and a lower output
b. a
higher price and a higher output
c. a
lower price and a lower output
d. a
lower price and higher output
e. the
same price and lower output
19. Firms in Monopolistic Competition usually
face markets with
a. few
competitors.
b. very
inelastic demand.
c. some
degree of product differentiation among the firms.
20. A firm operating in perfect competition
finds that, at its best possible operating position (for any non-
zero output), its TR
does not cover its TC, although this revenue is more than enough to cover
FC. This firm
a. is
incurring a loss and should shut down.
b. is
incurring a loss, but minimizes that loss by continuing to operate at their
current position.
c. is
incurring a loss, but could reduce or remove it by increasing production and
sales.
d. is
incurring a loss, but the information given is insufficient to tell whether it
could minimize that loss by continuing to operate or shutting down.
e. may
be incurring a loss, but there is not enough information to tell.
21. If industry supply shifts sharply to the
left as industry demand moves to the right, we would expect
a. the
same price to prevail.
b. quantity
to fall while price might not change.
c. price
and quantity to fall.
d. price
to rise while quantity might not change.
e. demand
to be highly elastic.
22. In a monopoly market, equilibrium price is
a. less
than the cost of producing the last unit
b. equal
to the cost of producing the last unit
c. more
than the cost of producing the last unit
d. equal
to the minimum average total cost
e. equal
to the minimum average variable cost
23. What characteristics distinguish an
oligopoly market from a monopolistic competition market?
24. In which markets will firms reach a long-run
equilibrium? In which markets won't they reach a long
run equilibrium?
Explain why.
25. From society's point of view, what are the
pros and cons of a monopoly market when compared to a
perfectly competitive
market?
26. From society's point of view, what are the
pros and cons of a monopolisticly competitive market when
compared to a
perfectly competitive market?
27. When is a business productively efficient?
Explain why.
28. When does a firm achieve allocative
efficiency? Explain the logic behind
this assumption.
29. In what situation does a firm underallocate
resources? When does it overallocate
resources?
30. What is a natural monopoly? Describe the
characteristics and provide an example.
31. How do regulatory agencies make decisions
about price and output regulations for natural
monopolies? Describe
the two most popular options.
Practice
Short Essay:
A single airline provides service from City A to
City B.
a) Explain how this airline will determine the
number of passengers it will carry and the price it will charge.
b) Suppose the
fixed costs for this airline increase. How will this increase in fixed costs
affect the airlines price and output decisions in the short run?