利好、利空信息與證券市場穩(wěn)定性
[Abstract]:On the basis of considering the behavior characteristics of Chinese investors, the dynamic investment decision model of limited rational information traders and noise traders is established by using prospect theory. The function and mechanism of good and short information in three different periods of market downturn, transition and prosperity are studied by analyzing the stability of the equilibrium point of the model and combining with the method of calculation experiment. The results show that in the period of market downturn, the transaction cost caused by excessive liquidity risk increases greatly, which leads to the market's response to bad information is greater than that of good information. In the transitional period, information traders become the effective subject of regulating and controlling the market, and the market is sensitive to good and short information, which makes the market prosperous and the market depressed. When the market is in a prosperous period, due to the interaction between information traders and noise traders, good information will not only reduce the stability of the market, but also easily lead to large-scale market fluctuations, but the response of the market to bad information is not great. The research results can provide theoretical guidance for the implementation of information regulation and control in the market in order to maintain the long-term good development of China's securities market.
【作者單位】: 南京大學(xué)工程管理學(xué)院;CeNDEF Faculty
【基金】:國家自然科學(xué)基金(70932003,70871056) 教育部科技創(chuàng)新工程重大項目培育資金(708044);教育部人文社會科學(xué)研究項目(09YJCZH061)~~
【分類號】:F830.91
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