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Which of the following is an illustration of differentiated oligopoly?


A) The aluminum industry.
B) The steel industry.
C) The soft drink industry.
D) Retail stores in large cities.

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

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Mutual interdependence means that each oligopolistic firm:


A) faces a perfectly elastic demand for its product.
B) must consider the reactions of its rivals when it determines its price policy.
C) produces a product identical to those of its rivals.
D) produces a product similar but not identical to the products of its rivals.

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

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A monopolistically competitive firm's marginal revenue curve:


A) is downsloping and coincides with the demand curve.
B) coincides with the demand curve and is parallel to the horizontal axis.
C) is downsloping and lies below the demand curve.
D) does not exist because the firm is a "price maker."

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

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

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Mutual interdependence means that oligopolistic producers rely primarily on price competition in determining their shares of the total market for their product.

A) True
B) False

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An important similarity between a monopolistically competitive firm and a purely competitive firm is that:


A) both face perfectly elastic demand schedules.
B) economic profit tends toward zero for both.
C) both realize productive efficiency.
D) both realize allocative efficiency.

E) B) and D)
F) B) and C)

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Advertising can enhance economic efficiency when it:


A) increases brand loyalty.
B) raises entry barriers.
C) increases consumer awareness of substitute products.
D) boosts average total cost.

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

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Nonprice competition refers to:


A) competition between products of different industries,for example,competition between aluminum and steel in the manufacture of automobile parts.
B) price increases by a firm that are ignored by its rivals.
C) advertising,product promotion,and changes in the real or perceived characteristics of a product.
D) reductions in production costs that are not reflected in price reductions.

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

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Homogeneous oligopolists tend to advertise more than do differentiated oligopolists.

A) True
B) False

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Monopolistic competition means:


A) a market situation where competition is based entirely on product differentiation and advertising.
B) a large number of firms producing a standardized or homogeneous product.
C) many firms producing differentiated products.
D) a few firms producing a standardized or homogeneous product.

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

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Clear-cut mutual interdependence with respect to the price-output policies exists in:


A) pure monopoly.
B) oligopoly.
C) monopolistic competition.
D) pure competition.

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

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Answer the question on the basis of the following demand and cost data for a specific firm:  Demand Data Cost Data (1)   Price $11.009.999.008.007.106.005.15 (2)  Price$10.008.858.007.006.105.004.15 (3)  Quantity6789101112 Output 6789101112 Total Cost$61626467727986\begin{array}{c}\underline{\text { Demand Data}}\quad\quad\quad\quad\quad\underline{\text { Cost Data}} \\\begin{array}{c}\text { (1) }\\\underline{\text { Price } }\\ \$ 11.00 \\9.99 \\9.00 \\8.00 \\7.10 \\6.00 \\5.15\end{array}\begin{array}{c}\text { (2) }\\\underline{\text { Price}}\\\$ 10.00 \\8.85\\8.00\\7.00\\6.10\\5.00\\4.15\end{array}\begin{array}{c}\text { (3) }\\\underline{\text { Quantity}}\\6 \\7 \\8 \\9 \\10 \\11 \\12\end{array}\begin{array}{c}\\\underline{\text { Output }} \\6 \\7 \\8 \\9 \\10 \\11 \\12 \end{array}\begin{array}{c}\text { Total}\\\underline{\text { Cost}} \\ \$ 61 \\62 \\64 \\67 \\72 \\79 \\86\end{array}\end{array} Refer to the data.If columns (1) and (3) of the demand data shown are this firm's demand schedule,the profit-maximizing level of output will be:


A) 12 units.
B) 8 units.
C) 10 units.
D) 9 units.

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

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If an industry evolves from monopolistic competition to oligopoly,we would expect:


A) the four-firm concentration ratio to decrease.
B) the four-firm concentration ratio to increase.
C) the four-firm concentration ratio to remain the same.
D) barriers to entry to weaken.

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

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Game theory is best suited to analyze the pricing behavior of:


A) pure monopolists.
B) pure competitors.
C) monopolistic competitors.
D) oligopolists.

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

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(Consider This) The story about three sellers of Native American arts and crafts best illustrates the idea of:


A) strategic behavior.
B) excess capacity.
C) the role of advertising.
D) product differentiation.

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

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Concentration ratios measure the:


A) geographic location of the largest corporations in each industry.
B) degree to which product price exceeds marginal cost in various industries.
C) percentage of total industry sales accounted for by the largest firms in the industry.
D) number of firms in an industry.

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

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Answer the question on the basis of the following demand and cost data for a specific firm:  Demand Data Cost Data (1)   Price $11.009.999.008.007.106.005.15 (2)  Price$10.008.858.007.006.105.004.15 (3)  Quantity6789101112 Output 6789101112 Total Cost$61626467727986\begin{array}{c}\underline{\text { Demand Data}}\quad\quad\quad\quad\quad\underline{\text { Cost Data}} \\\begin{array}{c}\text { (1) }\\\underline{\text { Price } }\\ \$ 11.00 \\9.99 \\9.00 \\8.00 \\7.10 \\6.00 \\5.15\end{array}\begin{array}{c}\text { (2) }\\\underline{\text { Price}}\\\$ 10.00 \\8.85\\8.00\\7.00\\6.10\\5.00\\4.15\end{array}\begin{array}{c}\text { (3) }\\\underline{\text { Quantity}}\\6 \\7 \\8 \\9 \\10 \\11 \\12\end{array}\begin{array}{c}\\\underline{\text { Output }} \\6 \\7 \\8 \\9 \\10 \\11 \\12 \end{array}\begin{array}{c}\text { Total}\\\underline{\text { Cost}} \\ \$ 61 \\62 \\64 \\67 \\72 \\79 \\86\end{array}\end{array} Refer to the data.With the demand schedule shown by columns (2) and (3) ,in long-run equilibrium:


A) price will equal average total cost.
B) total cost will exceed total revenue.
C) marginal cost will exceed price.
D) price will equal marginal revenue.

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

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Monopolistic competition is characterized by a:


A) few dominant firms and low entry barriers.
B) large number of firms and substantial entry barriers.
C) large number of firms and low entry barriers.
D) few dominant firms and substantial entry barriers.

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

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Answer the question on the basis of the following demand and cost data for a specific firm:  Demand Data Cost Data (1)   Price $11.009.999.008.007.106.005.15 (2)  Price$10.008.858.007.006.105.004.15 (3)  Quantity6789101112 Output 6789101112 Total Cost$61626467727986\begin{array}{c}\underline{\text { Demand Data}}\quad\quad\quad\quad\quad\underline{\text { Cost Data}} \\\begin{array}{c}\text { (1) }\\\underline{\text { Price } }\\ \$ 11.00 \\9.99 \\9.00 \\8.00 \\7.10 \\6.00 \\5.15\end{array}\begin{array}{c}\text { (2) }\\\underline{\text { Price}}\\\$ 10.00 \\8.85\\8.00\\7.00\\6.10\\5.00\\4.15\end{array}\begin{array}{c}\text { (3) }\\\underline{\text { Quantity}}\\6 \\7 \\8 \\9 \\10 \\11 \\12\end{array}\begin{array}{c}\\\underline{\text { Output }} \\6 \\7 \\8 \\9 \\10 \\11 \\12 \end{array}\begin{array}{c}\text { Total}\\\underline{\text { Cost}} \\ \$ 61 \\62 \\64 \\67 \\72 \\79 \\86\end{array}\end{array} Refer to the data.Suppose that entry into this industry changes this firm's demand schedule from columns (1) and (3) shown to columns (2) and (3) .We can conclude that this industry is:


A) a pure monopoly.
B) purely competitive.
C) a constant cost industry.
D) monopolistically competitive.

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

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The larger the number of firms and the less the degree of product differentiation,the greater will be the elasticity of a monopolistically competitive seller's demand curve.

A) True
B) False

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