Method

Statistic

Prob.^**

Crosssections

Obs

Levin, Lin & Chu t^*

−10.8676

0.0000

30

510

Im, Pesaran and Shin W-stat

−11.5403

0.0000

30

510

ADF-Fisher Chi-square

243.082

0.0000

30

510

PP-Fisher Chi-square

458.944

0.0000

30

540