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媒体情绪、资产误定价与公司并购绩效

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以2014-2020年A股上市公司的并购事件为研究样本,利用自然语言处理领域的文本分析方法测度了主并公司的媒体情绪,实证检验了媒体情绪对上市公司并购绩效的影响.研究发现,媒体情绪显著提升了主并公司的并购绩效,即并购前由财经媒体报道所形成的媒体情绪越乐观,主并公司的并购绩效就越好;通过中介效应模型检验发现,资产误定价在媒体情绪驱动主并公司并购绩效的作用路径中起到了遮掩效应,降低了媒体情绪对主并公司并购绩效的主效应;将资产误定价进一步分解后发现,公司层面而非行业层面的资产误定价是遮掩效应产生的主要原因.因此,在公司并购过程中,各利益相关方要重视财经媒体在并购价值凸显中的作用.
Media Sentiment,Asset Mispricing and M & A Performance
Based on the samples of mergers and acquisitions of A-share listed companies from 2014 to 2020,this paper measures the media sentiment for acquiring companies by using the text analysis method in the field of natural language processing,and empirically tests the effects of media sentiment on the M&A performance of listed companies.It is found that media sentiment significantly improves the M&A performance of acquiring compa-nies the more optimistic the media sentiment formed by financial media reports before M&A,the better the M&A performances of the acquiring companies are.And through the mediating effect model test,it is found that asset mispricing has a masking effect on the action path whereby media sentiment drives the M&A performance of acquiring companies,which reduces the main effect of media sentiment on M&A performance for acquiring compa-nies.After further decomposing the asset mispricing,it is found that asset mispricing at the company level instead of the industry level is the main reason for the masking effect.Therefore,in the process of mergers and acquisi-tions,all stakeholders should pay attention to the role of financial media in merger value creation.

media sentimentmispricing assetsmerger and acquisition performancemasking effect

刘凯月、孙佩红、李天旭、马心雨

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首都经济贸易大学 工商管理学院,北京 100070

内蒙古财经大学 工商管理学院,内蒙古 呼和浩特 010070

上海财经大学 商学院,上海 200433

哥白尼大学 经济科学与管理学院,[波兰]托伦87-100

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媒体情绪 资产误定价 并购绩效 遮掩效应

2024

财经理论研究
内蒙古财经学院

财经理论研究

CHSSCD
影响因子:1.364
ISSN:2095-5863
年,卷(期):2024.(2)
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