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中国社会保障与经济发展耦合的时空特征及驱动力分析
李琼1,2, 赵阳1, 李松林1, 李湘玲1
Spatio-temporal characteristics and driving force of coupling social security and economic development in China
LI Qiong1,2, ZHAO Yang1, LI Songlin1, LI Xiangling1

图3. 2002—2017年中国31省份社会保障与经济发展耦合协调等级数量变动

Fig. 3. Chart of changes in the number of levels of coupled coordination of social security and economic development in 31 provincial-level regions of China from 2002 to 2017