Registration system reform and information disclosure of IPO companies 并列题名：Registration system reform and information disclosure of IPO companies Research on employees' pension information disclosure of listed companies 并列题名：Research on employees' pension information disclosure of listed companies Study on the estimation and market effect of information disclosure in listed companies Annual report on social responsibility information disclosure of Chinese listed companies Analysis on the quality of internal control information disclosure of listed companies Annual report on social responsibility information disclosure of Chinese listed companies. "Management's Discussion and Analysis" information disclosure of listed companies 并列题名：Analysis on the quality of internal control information disclosure of listed companies