中欧班列开通对中国沿线城市出口贸易的影响及机制检验

赵明亮, 刘钦香, 孙威, 高沙尔·吾拉孜

The impact of the opening of China Railway Express on the export trade of cities along the rail line in China and the mechanism test

ZHAO Mingliang, LIU Qinxiang, SUN Wei, WULAZI Gaoshaer

表7 稳健性检验结果

Tab. 7 Robustness test results

	PSM-DID		第一阶段	第二阶段	核心解释变量滞后一期		改变班列开通区域
	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
Treat×Post	0.760^***	0.124^**		2.054^**	0.754^***	0.147^**	0.952^***	0.269^**
	(11.51)	(2.03)		(2.49)	(10.43)	(2.21)	(6.92)	(2.34)
IV×Post			0.217^***
			(4.14)
lpgdp		0.635^***	0.037^***	-0.025		0.682^***		0.672^***
		(8.32)	(3.93)	(-0.39)		(10.20)		(10.10)
lroad		0.139^***	0.021^***	-0.162^***		0.134^***		0.135^***
		(5.42)	(4.22)	(-3.81)		(5.24)		(5.29)
lfdi		0.036^**	0.001	0.478^***		0.016		0.015
		(2.48)	(0.46)	(24.26)		(1.14)		(1.13)
Industry		-0.003	-0.004^***	0.010^**		-0.003		-0.003
		(-0.95)	(-8.88)	(2.49)		(-1.27)		(-1.34)
tec		-0.250^*	0.161^***	1.584^***		-0.142		-0.152
		(-1.92)	(2.97)	(5.99)		(-1.31)		(-1.39)
lscg		0.142^**	0.022^***	0.616^***		0.117^**		0.118^**
		(2.37)	(3.48)	(11.26)		(2.53)		(2.54)
ldis		-0.058	-0.051^**	0.161		-0.231		-0.112
		(-0.15)	(-2.40)	(1.23)		(-0.59)		(-0.29)
_cons	11.075^***	1.647	-0.245	-3.37^***	11.081^***	3.339	11.101^***	2.372
	(825.73)	(0.52)	(-1.20)	(-2.93)	(837.84)	(1.06)	(848.69)	(0.77)
city	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
year	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
N	4251	3787	3895	3895	4359	3895	4359	3895
r²_a	-0.036	0.352	0.1853	0.6038	-0.041	0.342	-0.056	0.342
F	132.566	291.686	35.20		108.774	288.048	47.910	288.164