Impact of Energy Consumption, Economic Growth, and FDI through Environmental Kuznets Curve: Perspective from Belt and Road Initiative and Pakistan

Table 7

Unit root test for CO₂.

Dickey-Fuller test for unit root	Number of obs = 40		Z (t) has t-distribution
Z (t)	Test	1% critical	5% critical	10% critical
	Statistics	Value	Value	Value
	−6.677	−3.429	−1.686	−1.304

value for Z (t) ≤ 0.001.