The Research Of Listed Companies' Quality Of Earnings Based On The Structure

With the development of economy and the prosperity of capital market,the issue of corporate earnings quality is increasingly concerned by the community.Since the 1930s,the concept of surplus has been produced,domestic and foreign scholars have done a lot of research,and come to some of the more valuable research conclusions.However,from the existing research results,its research mainly focused on cash flow,quality characteristics and evaluation indicators.For listed companies,the surplus is an extremely important financial indicators,involving the company's stock issuance,stock issuance,stock investment value,whether ST and a series of major issues.Thus,earnings management is almost one of the means that every company will encounter and often use.Especially in recent years,the performance of most listed companies has declined,the profit structure of enterprises has undergone a great change,investment income in the proportion of corporate profits is also growing.However,because of the uncertainty of investment income,some of its components are not sustainable.Therefore,the quality of corporate earnings is more and more concerned with the information users in the case that investment income dominates profitability.On the basis of combing the relevant literature at home and abroad,this paper analyzes the earnings structure of the enterprise,including the source of investment income,the overall surplus structure of listed companies and the persistence of different components of surplus.The theoretical analysis shows that the earnings persistence of investment income is significantly less than the surplus of operating profit.On the basis of the theoretical analysis,this paper chooses the profit structure of Shenzhen A-share 2010-2015 to analyze the surplus structure of each industry,and then analyzes and compares the differences in earnings quality between various industries.At the same time,this paper uses multiple linear regression analysis,descriptive statistical analysis,independent samples T test,and the comparative analysis method,more in-depth analysis of the contribution degree of China's Shenzhen A shares losses in 2014 investment income in the profit in the process,the enterprise profit is decomposed into operating profit,return on investment,profit and loss on the changes in the fair value,as well as other parts of the four part has carried on the related research,puts forward the basic ideas and methods of the listed company earning quality analysis,and puts forward the corresponding countermeasures and Suggestions.Data analysis to Guotai'an database data as a sample,through the analysis,derived from the industry in the construction industry and manufacturing surplus is the most sustainable,and the profits of the real estate industry is not good prediction,in the analysis of the causes of business losses,the investment income factor played an important regulatory role.Through this study,it not only provides the basic ideas and methods for investors and other accounting information users to analyze the earnings quality of the enterprises comprehensively and objectively,but also further expand the enterprise earnings quality evaluation system,which can further improve the enterprise performance evaluation system to provide certain theoretical guidance.