In this paper,we do hypotheses testes with regression models to examine the relationship between firm performance combination(combination of "good news" and "bad news"),performance difference and timing of first quarter reports precontract disclosure and to probe into information of first quarter reports precontract disclosure time on the data of Chinese listed companies.

The Information Content of Corporate Governance:Based on Annual Report Disclosure Event;

This paper theoretically analyses the existence of managerial discretion in the course of annual report disclosure,and tests the factors affecting the discretion.

This paper first explores the underlying and valuable information existing in annual reports scheduled disclosure and finds that ceteris paribus,the frequency of receiving modified audit opinions is positively associated with annual reports disclosure date of this year and last year,annual reports scheduled disclosure date,annual reports disclosure delay.

The paper introduces the analysis approach of the grey correlative degree and uses the method to analyze the share stock reaction to the information of annual report.