Modeling the Impact of Innovation on Economic Quality and Environmental Pollution Change under Consideration of Environmental Regulation
Table 7
The results of the lagging regression of the threshold effect.
Threshold effect model
TFP
SO2
IWD
REGU-1
0.011
5.83
−1.75
(0.037)
(1.60)
(1.12)
REGU-2
1.5
−0.363
−4.07
(0.9)
(0.193)
(1.023)
REGU-3
0.012
−1.55
−1.499
(0.008)
(0.38)
(0.768)
IS
0.059
−1.79
−0.617
(0.021)
(0.434)
(0.282)
FDI
−0.079
1.14
−0.451
(0.039)
(1.25)
(0.826)
ROD
0.003
−0.054
−0.064
(0.001)
(0.025)
(0.163)
GOV
0.004
−0.109
−0.144
(0.002)
(0.057)
(0.262)
Constant
0.83
9.077
11.15
(0.025)
(0.666)
(1.17)
Observations
1930
1930
1930
Numbers
193
193
193
R-squared
0.0825
0.2437
0.1997
Note: ,, and represent that the estimated coefficients are significant at the 10%, 5%, and 1% confidence levels, respectively. The standard errors of the coefficients are marked in parentheses.
