互联网新闻媒体报道对我国股市的影响分析
The effects of online news on the Chinese stock market
查看参考文献31篇
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文摘
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互联网新闻媒体作为投资者的重要信息来源,对投资者的投资决策具有重要影响,同时也会影响股票市场的具体表现.为研究互联网媒体上发布的新闻报道对股票市场的影响,本文通过互联网搜索引擎采集了与股票市场相关的大量新闻报道,从新闻媒体关注度和情感指标两个方面分析其对我国股票市场的影响.通过对2012年1月1日至2016年4月30日之间上证综指的表现进行实证检验,发现互联网新闻媒体的关注度和情感指标对我国股票市场的运行均有一定的影响,而舆情指数一方面不受新闻媒体报道数量的影响,另一方面衡量了情感指标的相对影响,是量化新闻媒体报道情感的较佳指标.同时,我们的实证显示众多新闻媒体报道的网站来源中,52.8%的来源中已经包含了99.3%的新闻报道,是对股票市场产生影响的重要来源.通过互联网新闻媒体关注度和情感指标对股票市场影响的研究,可以加强对股票市场走势的分析与预测,为投资者提供投资建议. |
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其他语种文摘
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As a major source of information,news media has significant impacts on the stock market investors,and further influence the stock market dynamics.In order to study the effects of online news reports on the Chinese stock market,this paper uses data collected from the Internet,and analyzes through indicators of media attention and media sentiment.After enriching the sentiment corpus,covering positive sentiment,negative sentiment and neutral sentiment,indicators of media attention and media sentiment are constructed.Based on the empirical studies of Shanghai Composite Index during the period from January 1st,2012 to April 30th,2016,we find that the media attention and sentiment both affect the stock market.While the sentiment index is a better indicator to capture media sentiments.Although there are various kinds of sources of online news,52.8% of these sources provide 99.3% of all the related news reports.The results could improve the analysis and prediction of the Chinese stock market,and provide suggestions for investors. |
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来源
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系统工程理论与实践
,2019,39(12):3038-3047 【核心库】
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DOI
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10.12011/1000-6788-2017-0445-10
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关键词
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新闻媒体
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媒体情感
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股票市场
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媒体关注度
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地址
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1.
中国科学院大学经济与管理学院, 北京, 100190
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香港城市大学媒体与传播系, 香港, 999077
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中国科学院数学与系统科学研究院, 北京, 100190
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-6788 |
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学科
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社会科学总论 |
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基金
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国家自然科学基金
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国家数学与交叉科学中心重点课题
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文献收藏号
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CSCD:6697607
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