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Tweeting the financial market: Media effect in the era of Big Data

机译:推销金融市场:大数据时代的媒体效应

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This paper explores the effect of new media in China's financial markets. Using web crawling techniques, we extract daily data from the Baidu and 360 search engines, the Hexun finance platform and Sina Weibo from 2009 through 2016. We find that stock trading volume and turnover ratios are positively related to new media activity, while stock return is negatively related. A reversal effect also exists. By comparing the channels, the effect is weaker in social media than other channels. By comparing the industries, Internet search engines and online financial platform are significantly related to basic materials and telecommunication, while social media is related to consumer services and technology. Furthermore, we compare the effect of traditional with new media, finding a delayed effect in traditional media. Our paper highlights the media effect and investors' behavior in the era of Big Data.
机译:本文探讨了新媒体对中国金融市场的影响。使用网络爬虫技术,我们从2009年到2016年从百度和360搜索引擎,和讯金融平台和新浪微博中提取每日数据。我们发现,股票交易量和周转率与新媒体活动呈正相关,而股票收益则与负相关。还存在逆转效应。通过比较渠道,社交媒体的影响要弱于其他渠道。通过比较行业,互联网搜索引擎和在线金融平台与基础资料和电信显着相关,而社交媒体与消费者服务和技术相关。此外,我们将传统媒体与新媒体的效果进行了比较,发现传统媒体的延迟效果。本文重点介绍了大数据时代的媒体效应和投资者行为。

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