The Impact of Digital Economy on Industrial Carbon Emission Efficiency: Evidence from Chinese Provincial Data

Table 5

Threshold model regression.

Variable	Estimated value	Standard error	P
LnDigital (LnDigital < 10.753)	−0.021^∗	0.0045	0.000
LnDigital (10.753 ≤ LnDigital ≤ 11.541)	0.098^∗∗∗	0.0895	0.082
LnDigital (LnDigital > 11.541)	0.152^∗	0.0043	0.226
Lnfdiit	0.042^∗∗∗	0.0042	0.000
LnInvit	0.026	0.0586	0.225
LnExit	−0.071^∗∗	0.0056	0.043
LnGovit	0.088^∗∗∗	0.0402	0.007

Notes. ^∗∗∗, ^∗∗ and ^∗, respectively, represent significance at 1%, 5%, and 10% levels.