Table 4.

Dynamic asymmetric estimation of CO₂ emission

Variable	Coefficient	Std. Error	t-Statistic	Prob
CO2(−1)	0.87225*	0.02977	29.29808	0.00000
NC+	0.00001***	0.00001	1.83384	0.06770
NC+ (−1)	−0.00002*	0.00001	−3.14186	0.00190
NC−	−0.00002*	0.00001	−2.99747	0.00300
NC− (−1)	0.00001	0.00001	1.94004	0.05330
ND+	0.00011	0.00015	0.72058	0.47170
ND+ (−1)	0.00061	0.00037	1.64726	0.10060
ND−	0.00070**	0.00034	2.03899	0.04240
LD+	−0.31990*	0.09516	−3.36185	0.00090
LD−	−0.79436*	0.26400	−3.00894	0.00290
LD− (−1)	0.75017*	0.27074	2.77077	0.00600
C	0.86460*	0.21884	3.95087	0.00010

*, **, and *** represent 1%, 5%, and 10% level of significance, respectively