黄河流域绿色创新与绿色金融耦合协调的时空演化及区域差异

李光勤, 李佳欣, 郭细根

Spatio-temporal evolution and regional differences of coupling coordination between green innovation and green finance in the Yellow River Basin

Guangqin Li, Jiaxin Li, Xigen Guo

图4 2006、2011、2016、2021年黄河流域绿色创新与绿色金融耦合协调度核密度估计

Fig.4 Kernel density estimation of coupling coordination degree between green innovation and green finance in 2006， 2011， 2016 and 2021