京广高铁对河北沿线城市影响的遥感监测分析

苏博雄, 邬明权, 牛铮, 陈方, 黄文江

Analyzing impact of the Beijing-Guangzhou high-speed railway on cities along the Hebei section based on remote sensing monitoring

SU Boxiong, WU Mingquan, NIU Zheng, CHEN Fang, HUANG Wenjiang

表9 京广高铁河北段开通对沿线4市城区面积影响的回归结果

Tab.9 Regression results of the impact of the opening of the Beijing-Guangzhou high-speed railway on urban areas of the four cities along the Hebei section

时间 组别 系数 标准误差 t p 事件发生前 对照组(Control) 0.408 — — — 实验组(Treated) 0.571 — — — Diff(T-C) 0.162 0.102 1.586 0.125 事件发生后 对照组(Control) 0.096 — — — 实验组(Treated) -0.020 — — — Diff(T-C) -0.116 0.076 -1.515 0.142 Diff(T-C)(未加入控制变量) -0.132 0.073 -1.814 0.080*① Diff-in-Diff -0.278 0.113 -2.457 0.022**