投资者在不确定条件下决策时,会出现非理性的认知偏差。按照认知偏差产生的时间把其分成3类:决策前信息处理时的偏差、决策时的偏差以及、决策后结果分析时的偏差。通过分析表明,现有的认知偏差理论缺乏公认的,权威的分类和命名标准。将认知偏差发展成一个完善的体系和认知偏差的本土化分析是将来的研究方向。
Biased beliefs are introduced which could make the decisions of investors irrational under uncertaity. All the beliefs are divided into three groups: the bias of processing the information before decision, the bias of making decision and the bias of analyzing the results after decision. Finally, we put forward the insufficiencies of the existing research and then forecast the trend of the study of biased beliefs in the future.