Table 6.

Industrial wastewater treated per unit output.

Wastewater treated	All	Cities	Towns
Output	0.000***	0.00	0.000***
	(7.26)	(0.72)	(4.77)
GDP growth2	−1.22	−31.57	0.568
	(−0.13)	(−0.69)	(0.06)
Foreign investment	−0.021***	−0.013***	−0.024***
	(−9.34)	(−3.88)	(−5.26)
Pop growth	50.994*	−20.814	54.557**
	(1.96)	(−0.15)	(2.13)
Fix asset housing	−0.000**	−0.001**	0.001
	(−2.54)	(−2.12)	(1.21)
Cons	7556.651***	2.1e  +  04***	5766.299***
	(31.71)	(18.04)	(23.92)
N	2160	239	1921
r2_adj	0.081	0.093	0.095
F	25.824	11.879	18.53

t statistics in parentheses,*p < 0.1, **p < 0.05, ***p < 0.01.