新冠肺炎疫情和媒体报道对台湾地区股票市场的影响——基于爬虫技术获取的大数据分析

The Effects of the COVID-19 Pandemic and Official Media Coverage on the Stock Market in Taiwan Region:A Big-data Analysis Using Web Crawler Technology

目前关于台湾地区新冠疫情发展对股市的影响尚无清晰认知。基于爬虫技术获取的2020年1月至2021年7月共559天新冠疫情数据和14,033条媒体报道信息,可以重点分析台湾地区疫情发展对股市的影响,并探索媒体报道在其中产生的作用。研究发现:台湾地区新冠疫情发展呈现两阶段特征,其中第二阶段疫情的影响更大。台湾地区疫情发展对台湾加权指数、交通运输指数和医疗卫生指数产生负向影响。台湾地区媒体报道对台湾加权指数和旅游指数产生负向影响,大陆媒体报道对台湾加权指数和旅游指数产生负向影响。全球主要股市变化对台湾地区股市也存在不同程度的影响。

There is no clear-cut understanding of the impact of Taiwan's region COVID-19 on the stock market.Using crawler technology,we have acquired Taiwan's region COVID-19 data(a total of 559 days from January 2020 to July 2021)and 14,033 official media reports for the purpose of assessing the effects of the pandemic and its related official media coverage on the stock market in Taiwan region.The findings show that the development of COVID-19 in Taiwan region has two distinctive stages,of which the second brings greater impact.The pandemic negatively affected Taiwan's region weighted index,transportation index,and medical and health index.In the meanwhile,Taiwan's region media coverage contrib⁃uted to the deteriorating weighted index and tourism index,and so did the media report from the mainland of China.The global stock markets also have different degrees of impact on Taiwan's region stock market.