上期真题答案:1.D 2.C 3.E 4.C 5.D
接下来是今天的真题,一起练起来呀~
1.
2. Which of the following is a defining characteristic of a perfectly competitive industry?
A advertisements by well known celebrities
B persistent economic profits in the long run
C higher prices being charged for certain name brands
D no restrictions on entryinto the industry
3. The table shows some of the assumptions of perfect competition and monopolistic competition. Which pairing is correct?
4. Which feature does a contestable market share with a perfectly competitive market?
A Firms must be price takers.
B Firms must operate on a small scale.
C There must be freedom of entry to and exit from the industry.
D There must be many firms inthe industry.
5 A firm selling microchips is operating under conditions of perfect competition.
The market price is below the firm’s average variable costs. The immediate response of this firm will be to
A raise its price
B shut down
C reduce output and cut its price
D keep its price and output unchanged
E cut its price and increase output