京津冀生产性服务业关联特征分析
李宵, 申玉铭, 邱灵

Correlation analysis of producer services in the Beijing-Tianjin-Hebei region
Xiao LI, Yuming SHEN, Ling QIU
图3 2007、2012年京津冀生产性服务业区域间影响力系数
Fig.3 Interregional industrial influence coefficient of the Beijing-Tianjin-Hebei region in 2007 and 2012