刘同学2022-06-01 00:33:41

1. An informed trader buys a company’s stock. His close friends, who lack information or expertise, imitate his action and buy the stock. Which of the following statements concerning this behavioral bias is most accurate? It: A. is identical to representativeness. B. improves market efficiency. C. is inconsistent with rational behavior. 为什么B 是正确的？