Research on debt risk accumulation and spillover effect of Chinese listed companies 并列题名:Research on debt risk accumulation and spillover effect of Chinese listed companies Research on risk information disclosure of Chinese listed companies Research on debt maturity structure of Chinese listed companies Research on ownership structure and agency conflict of China's listed companies Research on behavior of financial reporting in Chinese listed companies Research on effects of internal audit function of Chinese listed companies Research on the issues of earning preannouncement in Chinese listed companies Research on the impacts of monetary policy on debt finance of Chinese listed companies Research on the information disclosure quality of listed companies