The Study On The Relationship Between The Accounting Policy Changes And Earnings Forecasts

The behavior of enterprise's accounting policy changes and the disclosure of profit forecast information, firstly both of them will influence the information user's economic decision, and then which will cause the adjustment of the social benefit. At present although the disclosure system of profit forecast information in our country is disclosed by voluntary, so as long as the listed company had disclosed the profit forecast information, the chartered accountant needs to examine whether the accounting policy adopted to establishes the information is consistent to the related accounting policy used in real, and also writes up the report of audit. As a result of our country business accounting system's reform from 2001 to 2006, the part of the listed company which disclosed the profit forecast information changed the accounting policy during the period, presents the phenomenon that the accounting policy which adopted to establishment the profit forecast information is inconsistent with the real. But the accounting policy change is the important means for the listed company to manage the earnings, and then whether the policy changes in the listed company is related with the high grade profit forecast information, solving this problem has the important meaning to the behavior of standard accounting policy change and the profit forecast information disclosure, and also to improves the quality of accounting information as well as to the benign development of the entire national economy.Through analysis, reorganizes the related research results of domestic and foreign, this article take the contract theory, the information asymmetrical theory and the effective market supposition theory as the theory support, using the method of utilization qualitative and the quantitative analysis, in the foundation of analyzes the IPO corporation's accounting policy change and the disclosure of profit forecast information in our country, analysis the listed company's data released the stock's to the public for the first time from 2001 to 2009, utilizing the method of correlation analysis and regression analysis, analyzed the relevance between the accounting policy change and the profit forecast. Draws the main conclusion of this article through the empirical analysis:The accounting policy of the IPO corporation which disclosed the profit forecast information has the earnings administrative action, and the degree of earnings management is being related to the quality of profit forecast information in the accounting policy change. And unifying the realistic proposed suggestion of reducing the degree of earnings management in the accounting policy change and enhancing the quality and wish of profit forecast information disclosure.In view of the relevant research about the accounting policy change and the profit forecast, the experts in domestic and foreign not only studied the relevance of whether the accounting policy to change or not and the profit forecast, and has differentiated the relevance between the heterogeneity accounting policy change and the profit forecast, but from the management earnings' angle, the research of analyzing the relationship between the accounting policy change and the profit forecast is very few. The innovation point of this article is from the management earnings' angle discussing the accounting policy change and the earnings management relevance. The research of this article has the advantageous to rich, perfect our country's accounting theory in the aspect of accounting policy change and the profit forecast; To control, standard the earnings administrative action in the accounting policy change; To enhance the quality of profit forecast information.