[Retracted] Impact of Energy Price Distortion on Green TFP Based on Spatial Econometric Model

Table 2

Results of unit root test.

Variable	Statistics
	LLC	IPS test	Fisher-ADF	Fisher-PP	Result
	−8.716	−4204	111.09	148.534	Stable
	−10.826	−4.661	124.226	159.244	Stable
	−12.179	−5.330	131.122	169.568	Stable
	−32.054	−16.294	293.884	451.853	Stable
	−372.932	−51.084	195.942	283.870	Stable
	−7.002	−1.167	61.140	61.850	Stable
	−7.026	−2.958	105.958	152.574	Stable

Note:  < 0.01,  < 0.05,  < 0.1.