Research on investment tide of China's securities funds 并列题名：Research on investment tide of China's securities funds Research on the development of China's securities market Research on investment of China's new energy industry Research on the transaction cost system of China's securities industry Research on industrial organization and policies of China's securities industry Research on investment operation mechanism of Chinese coal enterprises Research on global and China's green funds Research on investment environments in CIS Research on the investment performance of of China's local government