Variable	ADF test statistic	Critical values
Variable	ADF test statistic	1%	5%
imp	−2.685181	−3.9969	−3.4287
Δimp	−7.129538	−3.9974	−3.4290
neer	−2.004260	−3.9971	−3.4288
Δneer	−11.227270	−3.9971	−3.4288
ppi	−2.380421	−3.9971	−3.4288
Δppi	−6.414848	−3.9971	−3.4288
gdp	0.705691	−3.9973	−3.4289
Δgdp	−14.966260	−3.9973	−3.4289
wcpi	−3.226988	−3.9971	−3.4288
Δwcpi	−7.917159	−3.9971	−3.4288
var neer	−7.735825	−3.4579	−2.8735