| The quality of audit is an important basis for financial information users to make investment decisions.To a certain extent,high-quality audit services can reduce the possibility of profit manipulation and financial fraud of listed companies,which is conducive to investors making corresponding investments and can promote social stability.However,the falsification of financial data and financial fraud in the capital market seriously affects the credit of accounting firms and the social credibility of certified public accountants themselves,and reduces the degree of trust of information users in the audit quality level presented by auditors.Therefore,the study of the audit quality of listed companies has become the focus of attention of theoretical,practical and public circles at home and abroad.Firstly,this paper sorts out the relevant literature on audit quality and its influencing factors,secondly,defines the concept of audit quality,highlights the characteristics of audit quality,expounds the theoretical basis for studying the audit quality of listed companies,and provides corresponding support at the theoretical level.Secondly,based on literature review and theoretical research,the mechanism analysis of what factors affect the audit quality of listed companies is carried out,and the influence mechanism on audit quality is mainly elaborated from three aspects:audit subject,audit object and audit environment.Based on the current situation and the mechanism analysis of the influencing factors in Chapter 3,six corresponding research hypotheses were made.Finally,the data of eligible listed companies listed in Shenzhen and Shanghai within 5 years with a period of 2017-2021 is selected,the data is screened and sorted out accordingly,and finally according to the characteristics of the sample,SPSS software is used to construct the corresponding Probit model,descriptive analysis,correlation analysis and model regression analysis are carried out for significance testing.The research conclusion shows that the size of accounting firms is positively correlated with the audit quality level of listed companies.The higher the financial and operational risks faced by a listed company,the higher the quality of its audit;The audit fees paid by listed companies are negatively correlated with the impact on audit quality;The more reasonable the company’s governance structure,that is,the higher the proportion of independent directors,the higher the audit quality of the listed company;Whether the firm selected by a listed company is one of the "Big Four" has no significant impact on audit quality.Through the analysis of the empirical results,put forward countermeasures and suggestions to improve the quality of auditing:establish sound laws and regulations,and increase the severity of penalties for violations;Attract and cultivate high-quality talents and improve the overall audit practice ability;Establish a risk prevention system and enhance awareness of prevention;Standardize audit fees and enhance the subjective initiative of accounting firms;Increase the proportion of independent directors and further improve the quality of auditing in China.The innovation points of this paper are:First,from the three dimensions of audit subject,audit object and audit environment,the impact of audit quality behavior and the improvement path of audit quality are analyzed,and then the relationship between different influencing factors and audit quality is analyzed.Second,the variables of the influencing factors on audit quality around the three dimensions of audit are selected,and the impact of each factor on audit quality is empirically analyzed. |
