The Impacts of High-Speed Railway on Urban GDP and Its Agglomeration: Evidence from China

Table 7

Heterogeneity analysis between HSR and urban GDP.

Dependent variable
	(1)	(2)	(3)	(4)	(5)	(6)
	0.225 (0.068)		0.156 (0.000)		0.933 (0.009)
		0.080 (0.000)		0.075 (0.000)		0.134 (0.003)
Control variables	Yes	Yes	Yes	Yes	Yes	Yes
and	Yes	Yes	Yes	Yes	Yes	Yes
Constant	1.430 (0.789)	0.645 (0.829)	0.999 (0.062)	0.655 (0.110)	17.972 (0.039)	3.714 (0.320)
overall	0.487	0.539	0.762	0.686	0.022	0.259
within	0.786	0.929	0.789	0.876	0.975	0.982
between	0.619	0.204	0.763	0.628	1.000	1.000
City	5	5	23	23	2	2
Year	10	10	10	10	10	10
Observations	50	50	230	230	20	20