Due to the special capital structure of commercial banks,the government imposes financial control on commercial banks in order to regulate their debt agency,there is,however,a theoretical "hedge" in the government regulation.

The Study on the Listed Companies Demand for External Audit under the Agency Conflict;

Legitimacy, Agency Conflict and Corporate Social Disclosure

A large amount of western research indicates that the desire of management to get bigger auditing firm would increase when the corporate agency conflict became fiercer.