Research on pricing mechanism and subsidies of promoting the development of renewable energy 并列题名：Research on pricing mechanism and subsidies of promoting the development of renewable energy Research on financing mechanism in sustainable development of agriculture Research on carbon pricing mechanism and regional coordinated development of carbon markets Research on the policies support for promoting the development of clean energy industry Research on the mechanism and realization path of fintech to promote the development of rural inclusive finance Research on PPP model promoting the development of aging industry Research on the system and mechanism of promoting the development of China-ASEAN cross-border e-commerce 并列题名：Research on carbon pricing mechanism and regional coordinated development of carbon markets