Research on promoting high quality economic development of China 并列题名：Research on promoting high quality economic development of China research on regional economic development in Guangxi Research on promoting the high-quality development of the urbanization Research on financial innovation and high-quality economic development in Chinese regions on community economic development of China Research on environmental regulation and high quality economic development in western regions research on modeland path of regional economic development in western China Research on informal finance assisting high quality economic development driving high-quality economic development