In recent years, the quality of accounting information of listed companies in our country is not high. The usual existence of misleading, falsehood and important lapse in disclosed information and multifarious emergence of cheating behavior in making disclosure of information disobeyed the basic principle of open, impartiality, fair and honesty, brought great damage to large amount of investors, also seriously interfered the smooth operation of the securities market in the meantime. So the research about the relationship between corporate governance and information disclosure benefits the exaltation of efficiency of the listed companies' disclosure of accounting information in our country. And it has very realistic meaning in promoting our securities market to keep on healthful development, and protecting the legal rights of large investor in the end.This text draws lessons from international general research method, on the foundation of the analysis as to present domestic and international research, differentiates and definitizes related concepts on corporate governance, information disclosure etc., elaborates related theories, divides inside and outside parts of corporate governance into two levels including the capital structure and organization structure, and sums up the series of principles of making assurance in efficiency of information disclosure. Evaluates the conditions on corporate governance and information disclosure of our listed companies in the last few years, indicates that securities market in our country starts late, still slow develops, and the market still is placed in a stage of weak efficiency currently. Tells us the reasons that disclosed information lacking efficiency include unsound laws concerning the information disclosure, uncritical exterior supervision to disclosing information and so on. But the main reason is that most listed companies transformed from the state-owned enterprises, its governance is still not perfect, and supervision isn't useful. The text does theory analysis on influence of every mainly constituted part of corporate governance to efficiency of information disclosure from two levels including capital structure and organization structure of listed companies, then does positive analysis, using parts of listed companies as sample. In the positive analysis, establishes the relation model basing on the database of the sample, carries on analysis by the method of description statistics, regression etc.. The conclusion manifests corporate governance has direct influences to efficiency of information disclosure, the influence produced by capital structure shares a main position, and the negative influence that the state-owned stock is largest and isn't permitted flow is biggest.How do we change the condition of information disclosure made by listed companies of our country, and exalt effect of disclosure? In the end this text gives related suggestions, put forward some countermeasure that perfecting governance is one of the main paths which improve the efficiency of information disclosure. And after reform on flow problem of stocks, the listed companies still need further adjusting capital constitution, decreasing concentration degree of share ownership, increasing independence, management etc. of board of directors, supervisor. |