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举一反三
- In monopolistically competitive markets, free entry and exit suggests that A: the market structure will eventually be characterized by perfect competition in the long run. B: all firms earn zero economic profits in the long run. C: some firms will be able to earn economic profits in the long run. D: some firms will be forced to incur economic losses in the long run.
- Which of the following is least accurate regarding product development and marketing for firms under monopolistic competition A: Firms that bring new and innovative products to the market face relatively more elastic demand curves than their competitors. B: Relative to other types of competition, product innovation is critical to the pursuit of economic profits. C: Advertising is necessary to communicate the uniqueness of the firm’s products relative to its competitors.
- Select the statement that distinguishes monopolistic competition from perfect competition. A: No barriers to entry/exist in monopolistic competition. B: A firm in monopolistic competition can set its own price and output. C: A firm in monopolistic competition makes zero economic profit in the long run. D: Close substitutes are available in monopolistic competition.
- Which one of the following statements is TRUE for BOTH perfect competition and monopolistic competition? A: Each type of firm faces a downward sloping demand curve. B: Each type of firm produces a homogeneous product. C: In the long run, firms in both industries make zero economic profit. D: Each type of firm competes on product quality and price.
- Which of the following is least likely a feature that monopolistic competition and perfect competition have in common A: Output occurs where MR=MC. B: Zero economic profits in the long run. C: Extensive advertising to differentiate products.
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当厂商知道在长期它们的经济利润为零时，它们为什么还进入这个行业？Why do firms enter an industry when they know that in the long run economic profit will be zero?
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Which of the following statements is most accurate regarding the characteristics of a perfectly competitive market A: Firms" products are different. B: The competitors never earn economic profits. C: Barriers to entry into the market are nonexistent.
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In perfect competition, ________. A: there are restrictions on entry into the market B: firms in the market have advantages over firms that plan to enter the market C: only firms know their competitors' prices D: there are many firms that sell identical products
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Which of the following characteristics is common to monopolistic competition and perfect competition? A: Firms produce identical products. B: Entry barriers into the industry are low. C: Each firm faces a downward-sloping demand curve. D: Firms take market prices as given.
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Which is the market structure in which many manufacturers produce and sell products that are different yet substitutable? A: Perfect competition B: Perfect monopoly C: Monopolistic competition D: Oligopoly