投資者參與度對股票價(jià)格指數(shù)的影響研究
[Abstract]:For a long time, many scholars have devoted their efforts to studying the law of the change of stock market index, and the research on its influencing factors is even more endless. This paper makes an empirical analysis on the influence of investor participation on stock price index on the basis of summarizing and studying relevant research at home and abroad. The constant growth of investors has injected new blood into Chinese stock market and promoted the development of Chinese stock market. The degree of investor participation in the stock market reflects the investor's demand for the return on stock investment. Whether it is the number of new accounts opened or the number of trading accounts involved, they all reflect the degree of investor participation. And all the participation of investors has only one purpose-profit, so investor participation reflects the demand of Chinese investors for stocks. Through the theory that supply and demand determine the price, we have reason to believe that, There is a certain relationship between investor participation and stock price. From the point of view of behavioral finance, our stock market is still immature and has many problems, which is far from the ideal situation of "efficient market", and the investors in our country are far from meeting the standard of "rational person" in traditional finance. Therefore, it is more meaningful to study the change of stock price from the perspective of human behavior. Investor participation is the degree of investor participation in stock market trading. In this paper, investor participation is reflected by the number of investor accounts in China, including two categories, namely, the number of new accounts opened and the number of closing accounts, which contain twelve variables. In this paper, Shanghai Stock Exchange Index, Shenzhen Composite Index and Jushio 1000 Index are selected as the research data of stock price index. Among them, Shanghai Stock Exchange Index and Shenzhen Stock Exchange Index are the most commonly used reference for investors to study the changes of stock price in Shanghai and Shenzhen stock markets. The Giant Tide 1000 Index is a cross-market index of 1000 most representative listed companies in Shanghai and Shenzhen stock markets, and is a symbol of the trend of the entire Chinese securities market. In this paper, the influence of investor participation on the above three indices is studied, and the corresponding prediction models are established. Because the selected data have the characteristic of time series, this paper uses the method of time series to process and test the data. The results are as follows: some variables of investor participation and stock price index have a very close long-term stable relationship and causality. Finally, the regression models of the three indices are established, and the fitting effect of the model is good. The results show that the prediction model in this paper has some practical effect and can help investors predict the change of stock market and make reasonable investment decision.
【學(xué)位授予單位】:西南交通大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2012
【分類號(hào)】:F832.51;F224
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