Impairment Reform Of Listed Companies Accounting Conservatism

Efficient market theory think, stock prices of stock market will continue to be changed for accurately reflect the changes of the new information. However, after the efficient market hypothesis has been formally proposed ,the argument of it has never stopped, especially since the 1980s, a series of visions which is including scale effects ,time effects brings a strong challenge to this assumption. If the market are not efficient, the information of the listed company's accounting information disclosure may not be noticed by the investors and can't affect the stock market. If the accounting regulatory policies of the Government can't ensure that the accounting disclosure of information transmit high quality of accounting information to investors. So, maybe we can observe the influence of accounting supervision policy from the accounting recognition and measurement.In view of these ideas, this text analyzes the history and current situation of accounting conservatism and asset impairment in domestic and international and explained the accounting theory of accounting conservatism and asset impairment. then explore the reform of asset impairment and accounting conservatism under the hypothesis of non-impairment of effective. Finally, make use of the data around the reform of asset impairment and the econometric models based on net assets to study the influence in accounting conservatism. and creat comparison based on the measurement of TQ,so that study the influence of impairment reform to listed companies with different growth.This study results shows that: First, after the Impairment of assets Reform, it improved accounting stability of the Public Company. It shows that this policy reforms works well. Second, after the Impairment of assets Reform, compare with high growth companies, the low growth one showed higher stability. The low growth companies aimed to improve the performance of their companies, so that it can get greater management motivation. So that, the changing of accounting standards. Use Mandatory and reasonable impairment testing has some extent limited for earnings manipulation, and it also can make the corporation accounting stable. To improve the accounting regulatory efficiency, and to protect the interest of investors.The innovation of this article is this: first, this article based on the accounting relevent stable and Analysis non-impairment of effective municipal reform under the hypothesis, Impairment test of the robustness of the reform of the accounting impact, enriching the theoretical soundness of accounting research in our country. Second, from drawing the traditional TQ on the value of net assets per share, to know the growth of the public company act after the reform. in order to observe the growth of listed companies with low earnings management constraint.