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The fundamental cause of monopoly is


A) incompetent management in competitive firms.
B) the zero-profit feature of long-run equilibrium in competitive markets.
C) advertising.
D) barriers to entry.

E) C) and D)
F) A) and D)

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If a profit-maximizing monopolist faces a downward-sloping market demand curve,its


A) average revenue is less than the price of the product.
B) average revenue is less than marginal revenue.
C) marginal revenue is less than the price of the product.
D) marginal revenue is greater than the price of the product.

E) A) and D)
F) B) and D)

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When a monopolist increases the number of units it sells,there are two effects on revenue.They are the


A) demand effect and the supply effect.
B) competition effect and the cost effect.
C) competitive effect and the monopoly effect.
D) output effect and the price effect.

E) None of the above
F) A) and B)

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Table 15-17 Table 15-17    -Refer to Table 15-17.If a monopolist faces a constant marginal cost of $5,how much output should the firm produce? A)  3 units B)  4 units C)  5 units D)  6 units -Refer to Table 15-17.If a monopolist faces a constant marginal cost of $5,how much output should the firm produce?


A) 3 units
B) 4 units
C) 5 units
D) 6 units

E) A) and B)
F) A) and C)

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Figure 15-14 Figure 15-14   -Refer to Scenario 15-4.The profit-maximizing monopolist will produce an output level of A)  80 units. B)  40 units. C)  20 units. D)  10 units. -Refer to Scenario 15-4.The profit-maximizing monopolist will produce an output level of


A) 80 units.
B) 40 units.
C) 20 units.
D) 10 units.

E) All of the above
F) B) and D)

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The deadweight loss that arises from a monopoly is a consequence of the fact that the monopoly


A) quantity is lower than the socially-optimal quantity.
B) price equals marginal revenue.
C) price is the same as average revenue.
D) earns positive profits.

E) A) and B)
F) A) and C)

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Suppose a profit-maximizing monopolist faces a constant marginal cost of $10,produces an output level of 100 units,and charges a price of $50.The socially efficient level of output is 200 units.Assume that the demand curve and marginal revenue curve are the typical downward-sloping straight lines.The monopoly deadweight loss equals $2,000.

A) True
B) False

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Which of the following statements is correct? Monopolies are socially inefficient because they (i) Charge a price above marginal cost. (ii) Produce too little output. (iii) Earn profits at the expense of consumers. (iv) Maximize the market's total surplus.


A) (iii) only
B) (iii) and (iv) only
C) (i) and (ii) only
D) (i) , (ii) , (iii) ,and (iv)

E) None of the above
F) A) and D)

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Consider a profit-maximizing monopoly pricing under the following conditions.The profit-maximizing price charged for goods produced is $12.The intersection of the marginal revenue and marginal cost curves occurs where output is 10 units and marginal cost is $6.The socially efficient level of production is 12 units.The demand curve and marginal cost curves are linear.What is the value of the deadweight loss created by the monopolist?


A) $4
B) $6
C) $12
D) $16

E) B) and D)
F) A) and D)

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The fundamental source of monopoly power is


A) barriers to entry.
B) profit.
C) decreasing average total cost.
D) a product without close substitutes.

E) A) and D)
F) All of the above

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A movie theater can increase its profits through price discrimination by charging a higher price to adults and a lower price to children if


A) adults buy more popcorn than children.
B) the cost of showing a movie to children is less than the cost of showing a movie to adults.
C) it has some degree of monopoly-pricing power.
D) All of the above are correct.

E) A) and B)
F) A) and C)

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The fundamental cause of monopolies is barriers to entry.

A) True
B) False

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Which of the following statements is correct for a monopolist? i) The firm maximizes profits by equating marginal revenue with marginal cost. Ii) The firm maximizes profits by equating price with marginal cost. Iii) Demand equals marginal revenue. Iv) Average revenue equals price.


A) i) ,iii) ,and iv) only
B) i) and iv) only
C) i) ,ii) ,and iv) only
D) i) ,ii) ,iii) ,and iv)

E) A) and B)
F) A) and D)

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Figure 15-16 Figure 15-16   -Refer to Figure 15-16.If the monopoly firm is not allowed to price discriminate,then consumer surplus amounts to A)  $0. B)  $1,562.50. C)  $3,125. D)  $6,250. -Refer to Figure 15-16.If the monopoly firm is not allowed to price discriminate,then consumer surplus amounts to


A) $0.
B) $1,562.50.
C) $3,125.
D) $6,250.

E) A) and C)
F) A) and B)

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The reason to regulate utilities instead of using antitrust laws to promote competition is that a utility is usually a


A) profit-maximizing monopoly.
B) producer of externalities.
C) revenue-maximizing monopoly.
D) natural monopoly.

E) All of the above
F) B) and D)

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When a monopoly increases its output and sales,


A) both the output effect and the price effect work to increase total revenue.
B) the output effect works to increase total revenue,and the price effect works to decrease total revenue.
C) the output effect works to decrease total revenue,and the price effect works to increase total revenue.
D) both the output effect and the price effect work to decrease total revenue.

E) All of the above
F) A) and D)

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Table 15-9 Consider the following demand and cost information for a monopoly. Table 15-9 Consider the following demand and cost information for a monopoly.    -Refer to Table 15-9.What price should the monopoly charge to maximize profit? A)  $16 B)  $20 C)  $24 D)  $28 -Refer to Table 15-9.What price should the monopoly charge to maximize profit?


A) $16
B) $20
C) $24
D) $28

E) None of the above
F) A) and B)

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When a firm experiences continually declining average total costs,


A) the firm is a price taker.
B) society is better served by having one firm supply the product.
C) the firm will earn higher profits than if average total costs are increasing.
D) All of the above are correct.

E) C) and D)
F) All of the above

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The proper level of government intervention is unclear when dealing with a monopoly.

A) True
B) False

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Table 15-18 Tommy's Tie Company,a monopolist,has the following cost and revenue information.Assume that Tommy's is able to engage in perfect price discrimination. Table 15-18 Tommy's Tie Company,a monopolist,has the following cost and revenue information.Assume that Tommy's is able to engage in perfect price discrimination.    -Refer to Table 15-18.If the monopolist can engage in perfect price discrimination,what is the average revenue when 7 ties are sold? A)  $90 B)  $100 C)  $110 D)  $130 -Refer to Table 15-18.If the monopolist can engage in perfect price discrimination,what is the average revenue when 7 ties are sold?


A) $90
B) $100
C) $110
D) $130

E) B) and C)
F) A) and C)

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