《江西财经大学微观经济学试题库》chapter 15文档格式.docx

1、 Oligopoly Skill: RecognitionQuestion history: Previous edition, Chapter 15 AACSB: Reflective Thinking2） Which of the following is a distinguishing characteristic of oligopoly?A） A small number of firms compete.B） No one firms actions directly affect the actions of the other firms.C） Firms are free

2、to enter and exit the industry.D） Natural barriers cannot prevent the entry of new firms. Answer: A3） When only a small number of producers compete with each other is a defining characteristic ofA） inelastic supply.B） monopolistic competition.C） efficient competition.D） oligopoly. Answer: D Topic: O

3、ligopolySkill:76Copyright 2012 Pearson Education, Inc.4） In oligopolistic markets,A） there are many firms.B） there are no barriers to entry.C） there are only a few firms.D） all firms are price takers. Answer: C5） A market structure in which a small number of firms compete is called .A） a monopolyB）

4、a small-number marketC） an oligopolyD） monopolistic competition Answer:6） The key feature of an oligopoly is that thereA） are many buyers and sellers.B） is one seller.C） exists product differentiation.D） are only a few sellers. Answer: D7） In an oligopolyA） there are only a few firms.B） there is no

5、product differentiation.C） there is free entry and exit.D） firms decisions are unrelated to each other. Answer:8） A market structure in which a small number of producers compete against each other isA） monopolistic competition.B） oligopoly.C） monopoly.D） perfect competition.Answer:9） If firms in an

6、industry differentiated their products and made economic profits in the short- run, what other characteristic would be important to determine if this is an oligopoly or a monopolistically competitive market?A） The number of firms in the market.B） The number of close substitutes for the good being pr

7、oduced.C） The number of buyers in the market.D） If the good being sold is a normal or inferior good. Answer: New 10th edition AACSB:10） The distinguishing features of oligopoly are and a in the industry.A） barriers to entry; large number of firmsB） no barriers to entry; few firmsC） barriers to entry

8、;D） no barriers to entry; large number of firms Answer:11） Oligopoly isA） like monopoly because there are barriers to entry.B） like perfect competition because oligopoly firms all sell homogeneous goods.C） like monopolistic competition because oligopoly firms all sell differentiated goodsD） like per

9、fect competition because there are many firms in the industry Answer:12） Which of the following is a distinguishing characteristic of oligopoly?A） A large number of firms compete.D） Natural or legal barriers prevent the entry of new firms. Answer:13） Which of the following is a defining characterist

10、ic of oligopoly?A） barriers to entryB） selling a homogeneous goodC） selling a differentiated goodD） collusion Answer: A Topic:14） Natural oligopoly is a situation whereA） the level of demand can support only a few firms.B） there is only one firm.C） there are only two firms.D） there are legal barriers to entry. Answer: Natural Oligo