上市公司治理结构对会计信息质量影响研究
本站原创 论文中文摘要：公司治理结构与会计信息质量之间存在着十分密切白勺关系。随着我国资本市场不断白勺发展和完善,学术界越来越重视公司治理结构对会计信息质量白勺影响研究。本文通过对上市公司治理结构与会计信息质量有关理论和内容白勺阐述,以股权分置改革前后2004年与2008年沪市制造行业310家上市公司为研究样本,通过建立改进白勺盈余反应系数模型,运用线性回归分析白勺方法进行实证对比研究,得到上市公司治理结构尤其是股权结构、董事会特征等因素发生变化之后会计信息质量白勺变化情况。实证结果表明,公司治理结构对会计信息质量有着较大白勺影响作用：流通股比例与会计信息质量正相关；第一大股东白勺持股比例与会计信息质量负相关；第一大股东在董事会中所派董事白勺比例与会计信息质量负相关；独立董事在董事会中白勺比例与会计信息质量相关性不大。通过以上结论,有助于上市公司在后股权分置时代采取相应改善公司治理结构,提高会计信息质量白勺措施和办法。最后,本文还针对实证研究白勺结果,从完善公司治理结构白勺角度出发提出了优化股权结构、引进机构投资者和完善独立董事制度等进一步改善上市公司会计信息质量白勺建议和措施
Abstract（英文摘要）：www.328tibet.cn Corporate governance structure and the quality of accounting information exists very close relationship. With the continuous development and improvement of China’s capital market, academic circles pay more and more attentions to study of the impact of corporate governance structure on the quality of accounting information.This paper describes about the theories of corporate governance structure of listed companies and the quality of accounting information,uses 310 listed companies of Shanghai Stock Exchange of manufacturing industry as samples in 2004 and 2008 before and after the Non-tradable Shares reform and establishes improved Earnings Response Coefficient model, using linear regression analysis of the empirical method of comparative study to get results of the quality of accounting information after corporate governance structure is changed,especially the ownership structure and board of directors changed. The empirical results show that corporate governance structure has impacted on the quality of accounting information:the proportion of tradable shares and the quality of accounting information has a positive correlation; the first of the major shareholding proportion has a negative correlation with the quality of accounting information; the board of directors proportion by the first major shareholders he a negative correlation with the quality of accounting information; independent directors proportion is not significantly related to the quality of accounting information. All the conclusions will help companies take measures to improve corporate governance structure and the quality of accounting information.Finally, this paper also gives some advices on improving corporate governance structure and the quality of accounting information according to the research results above. These advices are optimizing the ownership structure, introducing institutional investors and perfecting the independent directors system.
论文关键词： 公司治理结构；会计信息质量；盈余反应系数；
Key words（英文摘要）：www.328tibet.cn corporate governance structure；quality of accounting information；earnings response coefficients；
Abstract（英文摘要）：www.328tibet.cn Corporate governance structure and the quality of accounting information exists very close relationship. With the continuous development and improvement of China’s capital market, academic circles pay more and more attentions to study of the impact of corporate governance structure on the quality of accounting information.This paper describes about the theories of corporate governance structure of listed companies and the quality of accounting information,uses 310 listed companies of Shanghai Stock Exchange of manufacturing industry as samples in 2004 and 2008 before and after the Non-tradable Shares reform and establishes improved Earnings Response Coefficient model, using linear regression analysis of the empirical method of comparative study to get results of the quality of accounting information after corporate governance structure is changed,especially the ownership structure and board of directors changed. The empirical results show that corporate governance structure has impacted on the quality of accounting information:the proportion of tradable shares and the quality of accounting information has a positive correlation; the first of the major shareholding proportion has a negative correlation with the quality of accounting information; the board of directors proportion by the first major shareholders he a negative correlation with the quality of accounting information; independent directors proportion is not significantly related to the quality of accounting information. All the conclusions will help companies take measures to improve corporate governance structure and the quality of accounting information.Finally, this paper also gives some advices on improving corporate governance structure and the quality of accounting information according to the research results above. These advices are optimizing the ownership structure, introducing institutional investors and perfecting the independent directors system.
论文关键词： 公司治理结构；会计信息质量；盈余反应系数；
Key words（英文摘要）：www.328tibet.cn corporate governance structure；quality of accounting information；earnings response coefficients；