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媒体关注度对股价崩盘风险的影响机理与管理策略研究

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本文基于2003-2021年中国A股上市公司数据,采用混合回归、中介效应模型来研究媒体关注度对股价崩盘风险的影响.研究发现:媒体关注度与股价崩盘风险呈正相关关系;企业信息披露质量越高,越能减弱媒体关注度对股价崩盘的正向影响;异质性分析表明,媒体关注度对股价崩盘风险的影响在东部地区、国有企业和非高新技术企业中更为显著.研究结论对于我国上市公司应对舆情危机从而规避股价崩盘风险,媒体和监管者通过创造透明的市场信息环境从而实现市场价值的长期稳定、持续和健康增长具有一定的指导意义.
A Study on the Influence Mechanisms and Management Strategies of Media Attention on the Risk of Stock Price Crash
Based on the data of Chinese A-share listed companies from 2003 to 2021,this paper adopts a mixed re-gression,mediation effect model to investigate the impact of media attention on the risk of stock price collapse.It is found that:media attention is positively related to the risk of stock price collapse;higher quality of corporate disclo-sure attenuates the positive effect of media attention on stock price collapse;heterogeneity analysis shows that the ef-fect of media attention on the risk of stock price collapse is more significant in the eastern region,state-owned enter-prises and non-high-tech firms.The conclusions of the study have certain guiding significance for China's listed compa-nies to cope with public opinion crises so as to avoid the risk of stock price crashes,and for the media and regulators to realize the long-term stable,sustainable and healthy growth of market value by creating a transparent market informa-tion environment.

media attentionstock price crash riskcorporate disclosure qualitymasking effect

张瑜、孟祥飞、王新军

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山东劳动职业技术学院,山东 济南 250022

山东华宇工学院经济与管理学院,山东 德州 253034

山东大学经济学院,山东 济南 250100

媒体关注度 股价崩盘风险 企业信息披露质量 遮掩效应

2024

金融发展研究
山东省金融学会

金融发展研究

CHSSCD北大核心
影响因子:0.55
ISSN:1674-2265
年,卷(期):2024.(8)