This paper first defines "good companies" and "bad companies",then chooses 94"good companies" and 93"bad companies" from 1222 listed com.

Is this applied to China securities market? Do "good companies" intend to choose higher-quality audit service? Focused on this question,this paper analyzes the demand for high-quality audit services,using the theories of "auditor size and audit quality"and "audit fees and audit quality".

The research results are: CEO turnover has negative relation to corporation performance,has negative relation to the share holding rate of the first big share holder and the proportion of manager directors,and has unclear relation to the proportion of ind.

Relationship between senior management incentive and corporate performance: an empirical analysis on listed companies of B-share from Shanghai Stock Exchange;

The Holding Pattern of Listed Companies and Corporate Performance;

On Relation between Financial Distress and Corporate Performance in Chinese Listed Firms;

The reasons why the operating performances of the public companies in Liaoning Province all felloff after IPO are analyzed with their panel data in view of their earnings,solvency,business operations and developmental capability.

State Ownership, Operational Risk, Soft Budget Constraint, and Firm Performance: Empirical Evidence from China s Listed Companies;

Relevance Research on Independent Directors and Firm Performance in Listed Companies;