"Collaboration Door" Phenomenon-an Empirical Study

In China, after "revolving door" phenomenon is banned, a more covert practice appears in the stock market. Audit firms recommend independent directors to their audit clients, so that between independent directors and auditors form links of interest, this phenomenon can be called "collaboration door" phenomenon, it can be seen as a change example of the "revolving door" phenomenon. So that, as "revolving door" phenomenon, do "collaboration door" phenomenon threat to auditor independence? Do "collaboration door" phenomenon also threat to independence of independent director? Using all A-share listed companies of China from 2007 to 2009 as research samples, this paper establishes two Logistic regression modal of the audit opinions and audit firms change, in order to test "collaboration door" phenomenon how to affect the independence of auditors and independent directors.We found that between the association of independent directors and the non-standard audit opinion are significant negative correlation, at the same time between the association of independent directors and audit firms change are also significant negative correlation. The results show that those companies who have "collaboration door" phenomenon access to standard audit opinions easily, and less likely change audit firms, so "collaboration door" phenomenon threat to the independence of directors and independent directors.