媒体关注、内部控制有效性与企业业绩波动性研究
Research on media coverage, effectiveness of internal control and performance volatility

摘 要： 以1 028家A股上市公司2011―2014年的数据为样本，研究媒体关注对公司业绩波动性的影响机理，并探讨内部控制有效性在该作用机制中扮演的角色，为相关部门和企业提供有益参考。研究发现：媒体关注度与公司业绩波动性显著正相关；在媒体关注发挥公司治理作用的过程中，内部控制有效性的中介效用明显。
Abstract: This research, by picking the data of 1028 A-share listed companies in stock market between 2011 and 2014 as samples, attempted to study the influence mechanism about how the media coverage affects the performance volatility of the company, to discuss what role the effectiveness of the internal control has played in this action mechanism, and to provide some references for the relevant departments and enterprises. The study finds that media coverage is positively correlated with the performance volatility significantly, and that in the process of media coverage affecting the corporate governance, the mediation role of internal control effectiveness is obvious