How Technological Innovation Influences Environmental Pollution: Evidence from China

Table 4

Results of the optimal lag order test.

Variable	Lag	AIC	BIC	HQIC
TECINN-wastewater	1	19.51	20.25	19.80
	2	19.612	20.45	19.95
	3	19.91	20.87	20.29
	4	19.88	20.98	20.32
TECINN-solid waste	1	15.04	15.78	15.34
	2	15.24	16.08	15.58
	3	15.77	16.73	16.16
	4	16.17	17.27	16.61
TECINN-exhaust gas	1	8.47	9.20	8.76
	2	8.81	9.66	9.151
	3	7.47	8.43	7.86
	4	6.30	7.41	6.75