	(1)	(2)	(3)	(4)	(5)	(6)
	yuqi11	yuqi12	yuqi13	yuqi14	yuqi15	yuqi16
VARIABLES	lnexport	lnexport	lnexport	lnexport	lnexport	lnexport
						
treat_year03	0.1787***	0.1608***	0.1439**	0.1586***	0.1651***	0.1475***
	(0.0528)	(0.0568)	(0.0574)	(0.0489)	(0.0546)	(0.0553)
treat_year02	-0.0641	-0.0099	-0.0128			
	(0.0474)	(0.0471)	(0.0474)			
lnage	0.1770***	0.2004***	0.2032***	0.1771***	0.2003***	0.2032***
	(0.0284)	(0.0301)	(0.0311)	(0.0284)	(0.0301)	(0.0311)
lnsize	0.5207***	0.5367***	0.5425***	0.5207***	0.5367***	0.5425***
	(0.0269)	(0.0249)	(0.0251)	(0.0269)	(0.0249)	(0.0251)
lnlabor	0.1837***	0.1551***	0.1638***	0.1835***	0.1551***	0.1638***
	(0.0122)	(0.0139)	(0.0147)	(0.0122)	(0.0139)	(0.0147)
profit		0.8639***	0.8449***		0.8638***	0.8447***
		(0.0625)	(0.0666)		(0.0624)	(0.0666)
lngdp		0.0007	0.0008		0.0006	0.0007
		(0.0184)	(0.0190)		(0.0184)	(0.0190)
openness		-0.0042	-0.1272		-0.0047	-0.1293
		(0.0395)	(0.0923)		(0.0396)	(0.0926)
lnpeople		-0.0119	-0.0104		-0.0119	-0.0104
		(0.0379)	(0.0398)		(0.0379)	(0.0397)
lnrailway	0.1863***	0.0848	0.1018	0.1769**	0.0881	0.1052
	(0.0713)	(0.0770)	(0.0785)	(0.0695)	(0.0749)	(0.0761)
lnhighway	-0.1141	-0.1670*	-0.1508	-0.1097	-0.1612	-0.1438
	(0.0860)	(0.0969)	(0.1010)	(0.0871)	(0.0986)	(0.1032)
treat_year01				-0.0569	-0.0491	-0.0556
				(0.0589)	(0.0625)	(0.0619)
Constant	6.7895***	8.0531***	7.7493***	6.8148***	7.9825***	7.6678***
	(0.9585)	(1.1145)	(1.1433)	(0.9637)	(1.1321)	(1.1623)
						
Observations	149,937	128,742	119,894	149,937	128,742	119,894
R-squared	0.809	0.813	0.813	0.809	0.813	0.813
Robust standard errors in parentheses						
*** p<0.01, ** p<0.05, * p<0.1						
