Analysis Model Design on the Impact of Foreign Investment on China’s Economic Growth

Table 12

Test of the stationarity of the sample data.

Variable quantity	ADF	Type of inspection	Critical value			Whether smooth
		(c, t, n)	1%	5%	10%
lnY	−1.650678	(c, 0, 1)	−3.886751	−3.052169	−2.666593	No
DlnY	−3.675515	(c, 0, 1)	−3.959148	−3.081002	−2.681330	Yes
lnFDI	−2.432745	(c, 0, 1)	−3.920350	−3.065585	−2.673459	No
DlnFDI	−5.173851	(c, 0, 1)	−3.920350	−3.065585	−2.673459	Yes
lnNE	−1.153147	(c, 0, 1)	−3.886751	−3.052169	−2.666593	No
DlnNE	−3.732355	(c, 0, 1)	−3.959148	−3.081002	−2.681330	Yes
lnK	−2.191837	(c, 0, 1)	−3.920350	−3.065585	−2.673459	No
DlnK	−6.132102	(c, 0, 1)	−3.920350	−3.065585	−2.673459	Yes
lnL	−2.104357	(c, 0, 1)	−3.886751	−3.052169	−2.666593	No
DlnL	−3.100355	(c, 0, 1)	−3.959148	−3.081002	−2.681330	Yes
lnCPI	0.304070	(c, 0, 1)	−3.886751	−3.052169	−2.666593	No
DlnCPI	−4.820446	(c, 0, 1)	−3.959148	−3.081002	−2.681330	Yes