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That one thing that monopolistic competition provides, which is not assured in the other market structures, is product variety.

A) True
B) False

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A significant benefit of monopolistic competition compared with pure competition is


A) less likelihood of X-inefficiency.
B) improved resource allocation.
C) greater product variety.
D) stronger incentives to achieve economies of scale.

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

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Suppose that total sales in an industry in a particular year are $800 million and sales by the top four sellers are $50 million, $40 million, $30 million, and $30 million, respectively. We can conclude that


A) this industry is an oligopoly.
B) this industry is monopolistically competitive.
C) the concentration ratio is 25 percent.
D) firms in this industry likely collude with each other.

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

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The demand curve of a monopolistically competitive producer is less elastic than that of a purely competitive producer.

A) True
B) False

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A monopolistically competitive industry combines elements of both competition and monopoly. It is correct to say that the competitive element results from


A) a relatively large number of firms, and the monopolistic element from product differentiation.
B) product differentiation, and the monopolistic element from high entry barriers.
C) a perfectly elastic demand curve, and the monopolistic element from low entry barriers.
D) a highly inelastic demand curve, and the monopolistic element from advertising and product promotion.

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

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Product differentiation in a monopolistically competitive market always entails more costs than benefits.

A) True
B) False

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Answer the question based on the demand and cost schedules for a monopolistically competitive firm given in the table below.  Price  Quntity  Dennded  Total  Cost  Output $201$101182202163293144364125405106426\begin{array} { | c | c | c | c | } \hline \text { Price } & \begin{array} { c } \text { Quntity } \\\text { Dennded }\end{array} & \begin{array} { c } \text { Total } \\\text { Cost }\end{array} & \text { Output } \\\hline \$ 20 & 1 & \$ 10 & 1 \\\hline 18 & 2 & 20 & 2 \\\hline 16 & 3 & 29 & 3 \\\hline 14 & 4 & 36 & 4 \\\hline 12 & 5 & 40 & 5 \\\hline 10 & 6 & 42 & 6 \\\hline\end{array} What will be the economic profit or loss for this monopolistically competitive firm at the profit-maximizing level of output?


A) -$15
B) +$10
C) +$20
D) +$28

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

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Answer the question on the basis of the following demand and cost data for a specific firm. \quad \quad \quad \quad Demand Data \text { Demand Data } \quad \quad \quad  Cost Data \text { Cost Data } (3)  Total  (1)   (2)   Quantit  Output  Total  Price  Price  Y Cost $50$3522$4545303355402544703520559030156611525107714520588180\begin{array}{|c|c|c|c|c|}\hline&&(3) &\text { Total } \\\text { (1) } & \text { (2) } & \text { Quantit } & \text { Output } & \text { Total } \\\text { Price } & \text { Price } & \text { Y} & & \text { Cost }\\\hline \$ 50 & \$ 35 & 2 & 2 & \$ 45 \\\hline 45 & 30 & 3 & 3 & 55 \\\hline 40 & 25 & 4 & 4 & 70 \\\hline 35 & 20 & 5 & 5 & 90 \\\hline 30 & 15 & 6 & 6 & 115 \\\hline 25 & 10 & 7 & 7 & 145 \\\hline 20 & 5 & 8 & 8 & 180 \\\hline\end{array} If columns 1 and 3 are this firm's demand schedule, maximum economic profit will be


A) $60.
B) $70.
C) $80.
D) $90.

E) All of the above
F) None of the above

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In monopolistic competition there is an underallocation of resources at the profit-maximizing level of output, which means that


A) ATC is not equal to MC.
B) price is greater than MR.
C) price is greater than minimum ATC.
D) price is greater than MC.

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

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Which of the following statements is correct?


A) There is a trade-off between product variety and allocative efficiency.
B) Product variety and allocative efficiency are complementary; increasing one enhances the other.
C) There is no relationship between product variation and allocative efficiency.
D) Greater excess capacity reduces firms’ ability to differentiate products.

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

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(Consider This) The main point of the 1987 Wendy’s commercial depicting a Soviet fashion show was to


A) show Wendy’s product differentiation from its competitors.
B) grow its international customer base.
C) emphasize the efficiency of its production model.
D) highlight the dependability of its reliable and consistent standardized product.

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

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Answer the question on the basis of the following demand and cost data for a specific firm. \quad \quad \quad \quad Demand Data \text { Demand Data } \quad \quad \quad  Cost Data \text { Cost Data } (3)  Total  (1)   (2)   Quantit  Output  Total  Price  Price  Y Cost $50$3522$4545303355402544703520559030156611525107714520588180\begin{array}{|c|c|c|c|c|}\hline&&(3) &\text { Total } \\\text { (1) } & \text { (2) } & \text { Quantit } & \text { Output } & \text { Total } \\\text { Price } & \text { Price } & \text { Y} & & \text { Cost }\\\hline \$ 50 & \$ 35 & 2 & 2 & \$ 45 \\\hline 45 & 30 & 3 & 3 & 55 \\\hline 40 & 25 & 4 & 4 & 70 \\\hline 35 & 20 & 5 & 5 & 90 \\\hline 30 & 15 & 6 & 6 & 115 \\\hline 25 & 10 & 7 & 7 & 145 \\\hline 20 & 5 & 8 & 8 & 180 \\\hline\end{array} In the long run, the number of firms in this monopolistic competitive industry will most likely


A) decrease.
B) increase.
C) stay the same.
D) The answer cannot be determined from the given data.

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

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Long-run profits of individual firms in monopolistic competition will be larger than their short-run profits.

A) True
B) False

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In monopolistic competition, if a firm advertises and effectively raises consumer awareness of its product, it tends to


A) raise costs and increase demand for its product.
B) raise costs and decrease demand for its product.
C) lower costs and increase demand for its product.
D) lower costs and decrease demand for its product.

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

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In the short run, the price charged by a monopolistically competitive firm attempting to maximize profits


A) must be less than ATC.
B) must be more than ATC.
C) may be either equal to ATC, less than ATC, or more than ATC.
D) must be equal to ATC.

E) None of the above
F) All of the above

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In the long run, a monopolistically competitive firm


A) earns an economic profit.
B) produces where P = ATC.
C) produces where MR exceeds MC.
D) achieves allocative efficiency.

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

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Brand names and packaging are forms of product differentiation under monopolistic competition.

A) True
B) False

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In the long run, monopolistically competitive firms make normal profits because they are forced to operate at the minimum point on their average total cost curve.

A) True
B) False

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The Herfindahl index is a measure of the degree of product differentiation in an industry.

A) True
B) False

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Which of the following statements concerning a monopolistically competitive industry is correct?


A) If there are short-run losses, firms will leave the industry and the demand curves of the remaining firms will shift to the right.
B) If there are short-run economic profits, firms will enter the industry and the demand curves of existing firms will shift to the right.
C) If there are short-run losses, firms will leave the industry and the demand curves of the remaining firms will shift to the left.
D) If there are short-run economic profits, firms will leave the industry and the demand curves of the remaining firms will shift to the right.

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

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