| Level: ADF statistics | Level: Perron test | First difference: ADF statistics |
Lome | −1.47 [2] | −1.33 [1] | −11.30 [1] |
Atakpame | −1.95 [3] | −2.16 [3] | −12.42 [1] |
Sokode | −2.11 [1] | −1.29 [2] | −15.23 [0] |
Kara | −2.09 [4] | −1.30 [4] | −10.02 [1] |
Dapaong | −2.00 [4] | −1.88 [4] | −12.22 [1] |
Amlame | −1.48 [2] | −3.14 [2] | −9.80 [1] |
Anie | −2.24 [5] | −1.31 [2] | −13.05 [1] |
Tchamba | −1.70 [3] | −3.01 [4] | −8.36 [1] |
Sotouboua | −1.38 [5] | −2.12 [3] | −7.22 [1] |
Kabou | −1.91 [4] | −2.11 [2] | −10.51 [1] |
Ketao | −1.60 [4] | −2.901 [2] | −6.92 [1] |
Gando | −2.51 [1] | −2.23 [1] | −21.26 [0] |
Cinkassé | −1.20 [2] | −1.31 [2] | −13.05 [1] |