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Investor Relations Management and Stock Price Synchronicity——An Empirical Study Based on Chinese Listed Companies

Abstract

“股价同步性”是指单个公司股票价格的变动与市场平均收益变动之间的关联性,通常由资产定价模型的拟合优度R2表示。过高的股价同步性不利于资源的有效配置。信息是解释股价同步性的关键因素,借助5W传播模型,梳理现有文献发现,与“媒介、信息、受者”对应的“分析师或媒体、分析师报告或新闻报道、机构投资者”都会对股价同步性产生影响,由此推测与“传播者”对应的“上市公司”也会对股价同步性产生影响。由此引出“投资者关系管理”概念,并推断其与上市公司的股价同步性存在相关关系。 本文对影响股价同步性的因素、信息传播模型、投资者关系管理等文献进行梳理和分析,在此基础上,以2012年-2014年全部A股上市公司为样...Stock price synchronicity refers to the connection between the change of a single stock price and the change of market average earnings, generally represented by the square of R of asset pricing model. High Stock price synchronicity will damage the resource allocation efficiency. Information plays a vital role in the process of synchronicity. By the perspective of "5w" propagation model, which is ...学位:管理学硕士院系专业:管理学院_企业管理学号:1762013115129

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