股市投资者情绪与收益的关系探究,金融硕士论文.docx
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1、股市投资者情绪与收益的关系探究,金融硕士论文我们国家股票市场历经短短三十多年的发展获得了重大的成就,面临着难得的发展机遇,也伴随着众多的问题和风险。当下,我们国家证券市场投资者仍以中小投资者为主,个人投资者教育程度参差不齐,部分投资者缺乏必要的投资知识和技能,交易频繁,非理性交易行为明显。同时,信息不对称等问题的存在,进一步弱化投资者投资的自信心,加剧了中小投资者投资情绪波动。严重的投资者情绪波动,会增加股票市场甚至是金融市场的不确定性,加强系统性金融风险发生的可能。因而,在新时期,对投资者情绪和股市收益之间的关系进行研究具有其现实必要性。 本文通过对国内外文献进行梳理,对行为金融学的起源和发
2、展,投资者相关理论和模型的学习,仿照 BW 指数的构建方式方法选取了封闭式基金折价率、IPO 数量及首日收益率、新增开户数、市场换手率、市盈率作为客观指标和消费者自信心指数作为主观指标,用主成分分析法构造投资者情绪。本文选取上证综指月度收益率 R 为因变量,投资者情绪为自变量,居民消费指数、 增长率、宏观经济景气指数为控制变量。通过 ADF 单位根检验、Johansen 协整关系检验、VAR 及AR 根检验、Granger 因果关系检验、脉冲响应函数分析、方差分解,讲明在剔除宏观控制变量因素影响之后,投资者情绪与上证综指月度收益率之间的关系。 本文的结论如下:投资者情绪与上证综指月度收益率之间
3、存在互相的格兰杰因果关系,即投资者情绪与上证综指月度收益率之间互相影响,一方变化会引起另一方变化。从脉冲响应分析结果看,大部分时间里投资者情绪对上证综指月度收益率有正向影响,上证综指月度收益率对投资者情绪有负向影响;方差分解显示投资者情绪对上证综指月度收益率的奉献度为 3.45%小于上证综指月度收益率对投资者情绪的奉献度 9.88%,即上证综指月度收益率能够影响到投资者情绪,其影响的程度大于投资者情绪对上证综指月度收益率产生的影响。 基于研究分析和结论,提出下面对策建议:完善投资者情绪指数和股市收益指数;加快我们国家证券市场制度建设探寻求索,完善证券市场发展的交易机制;保障证券市场在发展的经过
4、中,其交易机制、信息披露制度都能够不断完善,通过加大监管、处理惩罚力度,有效避免信息偏差对投资者的干扰;优化投资者构造,帮助个人投资者树立正确的投资理念;建立投资者情绪风险预警机制。 本文关键词语: 投资者情绪;主成分分析;VAR;股市收益。 Abstract After more than thirty years of development, my country s stock market has made significant achievements and is facing rare development opportunities, as well as many pr
5、oblems and risks.At present,small and medium-sized investors are still the main investors in China s securities market. Inpidual investors have uneven education levels. Some investors lack the necessary investment knowledge,skills, and frequent transactions, irrational trading behaviors are obvious.
6、At the same time, the existence of information asymmetry and other issues further weakened investors confidence and aggravated the fluctuation of investment sentiment of small and medium-sized investors.Severe investor sentiment fluctuations will increase the uncertainty of the stock market and even
7、 the financial market, and increase the possibility of systemic financial risks. Therefore, we need to analyze the relationship between investor sentiment and stock market returns. Based on the literature review at domestic and foreign literature, studies the origin and development of behavioral fin
8、ance, learns about investor-related theories and models, and selects closed-end fund discount rate, IPO number and first-day return rate, new Increase the number of accounts opened, market turnover rate,price-earnings ratio as objective indicators and consumer confidence index as subjective indicato
9、rs, using principal component analysis construct investor sentiment.This article selects the monthly return rate R of the Shanghai Composite Index as the dependent variable, investor sentiment as the independent variable, and the consumer consumption index, growth rate, and macroeconomic prosperity
10、index as the control variables. Through the ADF unit root test, Johansen cointegration test, VAR and AR root test, Granger causality test, impulse response function analysis,and variance decomposition, it shows that investor sentiment and the monthly return of the Shanghai Composite Index after remo
11、ving the influence of macro control variables .The relationship between rates. The conclusion of this article is as follows:There is a Granger causality between investor sentiment and the monthly return of the Shanghai Composite Index, that is,investor sentiment and the monthly return of the Shangha
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