广义虚拟经济的人本经济思想为研究股票市场的异动提供了全新思路。本文以广义虚拟经济的思想为指导,以噪声交易理论作为基础,从信息不对称的角度出发,在对交易者进行分类的基础上,通过交易的宏观视角和人的心理角度建立了股票市场的均衡价格模型,进而分析噪声交易的存在对股票定价产生的影响。结论显示:即使在一个股市中指向性信息不发生剧烈变化的时间段内,由于噪声交易者的存在股价仍然会偏离其内在价值,并且仅由交易者进行自我调整是很难使股价得到修正,甚至有更严重偏离的可能;在不可进行卖空交易的市场中由于买卖势力的不平衡,出现股价异动的可能性更大,而且偏离的程度可能更严重。
The perspective of generalized virtual economy gives us a new way to study the stock market anomalies. This research based on the perspective of generalized virtual economy and models of noise traderhave been established, divided investors by the information and stock markets by whether we can short selling. We analyse the influence of noise trader to the stock market. In order to price stock, we study the behavior of investor and make sure the trade. The conclusion of this research has been drew out, which offer reasons to identify and understand anomaly phenomena of Chinese stock market.