PC | WPC | BC | CD | CC | CC2 | ||||||||||||
Coef. | t | Coef. | t | Coef. | t | Coef. | t | Coef. | t | Coef. | t | ||||||
注:括号内为t 值; ***、**、*分别表示1%,5%,10%的显著性水平;Coef.为回归系数;空白为无内容;PC为选取点度中心性;WPC为加权中心性;BC为中间中心性;CD为限制度;CC为聚类系数;CC2为聚类系数二次方。限于篇幅省略控制变量回归结果。 | |||||||||||||||||
京津冀城市群 | 0.524 | (2.830)*** | 0.393 | (0.930) | 0.996 | (3.020)*** | ?0.085 | (?2.410)** | ?0.002 | (?0.060) | |||||||
0.742 | (2.190)* | ?0.007 | (?2.220)** | ||||||||||||||
长三角城市群 | 0.445 | (4.35)*** | 1.231 | (4.02)*** | 3.446 | (5.390)*** | 0.062 | (1.210) | ?0.067 | (?0.870) | |||||||
1.342 | (0.780) | ?0.014 | (?0.830) | ||||||||||||||
珠三角城市群 | 0.383 | (3.730)*** | ?0.378 | (?0.790) | 0.808 | (2.320)** | 0.301 | (2.750)*** | 0.073 | (1.030) | |||||||
0.983 | (3.320)*** | ?0.009 | (?3.16)*** |