The Research On Listed Company Switching The Certificated Public Accountant Firm

In recent years, with the constant development of our country's security market, the situation of switching the certificated public accountant (CPA) firm is more and more popular, which has hidden a great deal of illegitimate competitions and auditing independence impairment. At the same time, a lot of questions of the listed company are hidden down too. This incident has already been concerned by the market supervisal department, the academic circles and even social masses. To discern the influence factors of switching the CPA firm , investigate the markets reactions to the incident, propose the relevant protective measures has realistic meaning of studying. The result of study not only contributes to securities market's participant (especially the security supervisal department) taking measures to restrain administrative authority of listed company maliciously switching the CPA firm, defend the CPA's independence , guarantee that the investor obtains the accounting information of high quality. But also it contributes to finding the difference between our country's auditing market and the developed country's. This has positive and important impetus to develop our country's security auditing market, standardize market operation and meet internationalized trends of accounting serve.The preface part of this paper studies the document and carries on relatively overall retrospect on switching the CPA firm in China and Western, summarizes the research view, finding and conclusion of the document in the developed securities market, puts forward the new ideas of this paper. The second part expounds the auditing relevant theory. As the theory foundation of the paper, it describes about the auditing demand theory, auditing independence theory and the signal transmit theory of administrative authority choosing the CPA firm. The third part makes brief comment on auditing market, forms a environmental and overall recognition . The forth part analyzes the reasons of switching the CPA firm, and verifies if these reasons can really be realized further. The fifth part analyzes the information announcing of switching the CPA firm and the market reacts to this accident. The sixth part puts forward several measures according to the preceding result of study, in order to defend CPA'sindependence , guarantee that the investors obtain the accounting information of high quality in decision.