The Influence Study on Environmental Regulation and Green Total Factor Productivity of China’s Manufacturing Industry

Table 6

Threshold effect test.

Industry type	Threshold	F value	value	F-critical value			Critical value
				10%	5%	1%
Manufacturing industry	Single	64.81	0.0067	32.1869	38.7840	53.8896	0.6063
Heavy pollution industries	Single	41.80	0.0000	19.1182	22.9038	23.1817	0.6295
Moderate pollution industries	Single	62.07	0.01	33.4110	41.0916	58.8345	0.0386
Slight pollution industries	No	12.86	0.1800	16.4522	19.9639	23.0009	0.0001

, , and are significant at the levels of 10%, 5%, and 1%, respectively.