Study Of Earnings Management Listed Companies' Based On Changes In Accounting Estimates

In recent years,with the further improvement of accounting laws and accounting system and the increasingly stringent supervision of securities regulatory authorities,listed companies adopt a more hidden means of earnings management.The use of accounting estimation to change the situation of earnings management becomes gradually more common.In order to carry out more effective supervision of different earnings management behavior,it is necessary to study the influencing factors of earnings management from the perspective of accounting estimation.By observing studies of the accounting choice both domestic and aboard,it is can be found that scholars mainly regard the broad accounting policy choice as study angles.In fact,it is pointed out that the accounting policy and the accounting estimation are very different from each other.Therefore,this paper,from the perspective of accounting estimation change,does research on the different forms of earnings management of listed companies.On the basis of theoretical research,this paper makes an empirical research on the factors which have an impact on earnings management of accounting estimates changes using by China's listed companies.Along with techniques route which is from the theoretical analysis to empirical test and then the study conclusions.The theoretical part of this paper describes the related concepts of accounting estimates changes and earnings management and the impact of contract theory,principal-agent theory and asymmetric information theory that listed companies use accounting estimates changes to carry out earnings management.Prior to empirical research,this paper takes annual report of 2012-2014 as example,which disclosed a couple of listed campaniles having had changes in accounting estimates.Combining with China's economic restructuring background and unique capital market system,this paper does the status quo analysis on earnings management and accounting estimates changes of listed company and then the empirical research on the basis of the analysis of the current situation.By using univariate analysis,multicollinearity test,logistic regression analysis and model goodness of fit test,etc.the paper does in-depth analysis and draw relevant conclusions on influencing factors of china's listed companies using accounting estimates changes to carry out earnings management.The results show that the earnings management behaviors of China's listed companies exist and they are mainly profit smoothing,huge write-offs and turnaround of earnings management.The factors of interests smoothing earnings management behavior are debt covenants,executives change and rising profits;the factors of huge write-offs earnings management forms are enterprise scale and asset-liability ratio;the factors of earnings turnaround management are debt covenants and executive changes.Finally,the paper will make relevant policy recommendations based on empirical research findings.