based on the empirical analysis of provinces in China based on the empirical analysis of Guangdong based on the empirical analysis in Fujian based on an empirical analysis of Zhejiang province 绿色增长源泉与地区经济差距：基于中国省区的实证分析：based on the empirical analysis of provinces in China based on the empirical data of listed companies of sasac based on the empirical analysis based on the empirical data of Shanxi province based on the empirical investigation in Shanghai based on the comparative analysis of four different types