Dynamic Measurement Analysis of Urban Innovation Ability and Ecological Efficiency in China

Table 7

ADF test results of the urban innovation level and eco-efficiency.

Variable	(C, T, L)	ADF test statistic	T-statistic (1%)	T-statistic (5%)	T-statistic (10%)	Prob.	Conclusion
A-UIL	(C, T, 0)	−3.9561	−3.6793	−2.9678	-2.6230	0.0051	Stable
A-EE	(0, 0, 0)	−1.6465	−3.6892	−2.9719	-2.6251	0.4464	Unstable
ΔA-UIL	(C, T, 0)	−6.4652	−3.6892	−2.9719	-2.6251	0.0000	Stable
ΔA-EE	(0, 0, 0)	−7.5123	−3.6893	−2.9719	-2.6251	0.0000	Stable