Table 4

Panel unit root test

VariableIm, Pesaran and Shin (IPS)Fisher ADFFisher PP
I(0)I(1)I(0)I(1)I(0)I(1)
LNMREC−1.697**–3.687***–17.284***–
LNFD−1.021−5.372***2.065**–1.11846.879***
LNGDP1.777−3.632***−1.5048.345***−1.2827.576***
LNGDPSQ1.966−3.383***−1.6417.107***−1.5097.785***
LNFDI−1.886**–2.120**–5.298***–
LNTRADE1.176−5.901***−0.68212.997***−0.65315.450***
LNGOV−0.570−6.635***0.61517.018***1.493*–
LNURB−4.785***–19.262***–−0.7653.541***

Note(s): IPS (Im, Pesaran and Shin), Fischer ADF (augmented Dickey and Fuller) test, Fischer PP (Phillips and Perron) test, *, ** and ***represent significance at the 10, 5 and 1% levels, respectively. (For Fischer ADF and Fischer PP, we report the modified inv. chi-squared statistics)

Source(s): Authors' computation

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