Research on dual-class share structure of new economy companies 并列题名：Research on dual-class share structure of new economy companies Research on the dual class shares structure of Chinese enterprises Research on debt maturity structure of Chinese listed companies Research on legal issues of share transaction of non-listed companies Research on the debt financing structure of listed companies 并列题名：Research on debt maturity structure of Chinese listed companies 并列题名：Research on legal issues of share transaction of non-listed companies Research report on M&As and restructuring of Chinese listed companies