Study Of Relationship Of Public Company Switched The Accounting Firm And The Motivation Of Improve The Audit Opinions

In the Chinese capital market, the listed companies change accounting firms iswidespread, the change ratio is much higher than the ratio of the mature Westernmarkets.Specifically, the ratio of listed companies in China to change accounting firms onaverage about8%, significantly higher than the level of3%—4%of the international market.This reflects that China’s listed companies change accounting firms have their own motives.The social and government regulators look the frequent changes of the accounting firm actsas a focus.According to the principal-agent theory,"economic man" hypothesis, as well asrent-seeking theory, According to lennox’s dear, study the relationship of changingaccounting firms and the motivation of audit opinions to improve. First, build the estimationmodel of audit opinion. Through the establishment of an audit opinion to estimate the modelto make the opposite decision-making can not be observed under the type of audit opinionto be estimated to provide a comparable basis for the relationship between changingaccounting firms and the motivation of audit opinions to improve; Secondly, introduct thevariable of audit opinion to improve the motivation. Improve the motivation of this variableaccording to the audit opinion on the estimated model to quantify the audit opinion; Finally,establish an accounting firm to change the model. The audit opinion to improve motivationas an explanatory variable, Certified Public Accountants change as explanatory variables,analyze the audit opinion to improve the relationship between motivation and listedcompanies change accounting firms. According to the conclusions of empirical research,listed companies by changing the accounting firm achieve the purpose of improving auditopinion. Based on this study, the relevant departments through the improvement of relevantlaws and regulations and strengthening change the information disclosure of the accountingfirm to standardize the behavior of listed companies to change the accounting firm. Thisstudy of China’s audit market supervision and management, and accounting firms to changetheory will be useful. The thesis has some limitations, to confirm the accuracy of theestimate for the audit opinion.