中国高铁站的溢出效应及其空间分异——基于夜间灯光数据的实证分析
牛方曲, 辛钟龄

Spillover effect of China's high-speed railway stations and its spatial differentiation: An empirical study based on night-time light datasets
NIU Fangqu, XIN Zhongling
图3 平行趋势检验
注:图中交叉符号为估计系数,短竖线为估计系数95%的置信区间。
Fig. 3 Common trend test