Table 2.

Estimated industrial sulphur dioxide emission with per unit economic growth in administrative groups.

Sulphur dioxide	All	Inland Cities	Inland Towns	South-east	South-east Cities
GDP growth	444.573***	430.709***	537.746***	379.048***	281.912
	(8.95)	(9.23)	(5.86)	(3.31)	(1.21)
Foreign Investment	−0.035***	−0.023	−0.025	−0.006	−0.005
	(−5.44)	(−1.54)	(−1.61)	(−0.28)	(−0.35)
Population Growth	152.912	195.045	189.77	518.975*	524.510*
	(1.15)	(1.56)	(1.52)	(1.93)	(1.95)
Industrial output	−0.000**	−0.000*	−0.000**	0.000	0.000
	(−2.53)	(−1.96)	(−1.98)	(−0.70)	(−0.69)
Fix asset housing	−0.004***	−0.004***	−0.004***	−0.006***	−0.006***
	(−8.65)	(−4.46)	(−4.42)	(−7.47)	(−7.47)
GDP growth2			−3.535		2.982
			(−1.35)		(0.48)
Cons	6.1  ×  104 ***	5.1  ×  104 ***	5.1  ×  104 ***	5.6  ×  104 ***	5.7  ×  104 ***
	(49.26)	(42.58)	(40.64)	(18.84)	(17.87)
N	3467	3081	3081	684	684
r2_adj	0.113	0.002	0.003	0.211	0.21
F	146.974	53.82	45.169	48.066	40.044

***, **, *indicate significance at 0.01,0.05, and 0.10 levels, respectively.