Research on the supplication of public goods in the development of circle economy Research on the micro-effect of macro-policy in the development of county economy Research on local legislation to promote the development of digital economy Research on the digitalization, green and low-carbon development of the economy Study on tax policies promoting the development of circulareconomy Research on the fiscal and taxation policies to deepen the coordinated development of regional economy 并列题名:Eu-China:the transformation in traditional regionsand the development of circular economy 并列题名:Research on local legislation to promote the development of digital economy Research on the impact of regional market segmentation on the green development of China's economy Eu-China:the transformation in traditional regionsand the development of circular economy