单选题 The demand for the product of a purely competitive firm is:
  • A. perfectly elastic.
  • B. perfectly inelastic.
  • C. greater than zero but less than one.
【正确答案】 A
【答案解析】[解析] 由图a可知,完全竞争厂商的需求曲线为一条水平线,即无论完全竞争厂商的产量如何变化,其价格将始终保持不变,因而其产品需求具有完全弹性。 [*]