On this base, we get the relationship of all irrational factors with the help of the DEMATEL method. Simultaneously, we find that noise and excessive response are the most primary factors.

• 在此基础上,论文采用DEMATEL方法分析了所有非理性因素之间的关系,研究发现噪声和过度反应是影响个体投资者羊群效应的最主要因素。