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. 2021 Apr 14;28(33):44949–44972. doi: 10.1007/s11356-021-13639-6

Table 9.

Westerlund (2007) ECM panel cointegration tests

Statistica Value Z value P value Robust P valueb
Gt − 2.194 − 0.015 0.506 0.193
Ga − 1.718 4.698 1.000 0.482
Pt − 10.256 − 2.841 0.002 0.014
Pa − 2.405 2.551 0.995 0.018

aGt and Ga represent group mean statistics as Pt and Pa denote panel statistics in Westerlund (2007)

bRobust P value through bootstrap with 1000 replications