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Table A20. Results of the unit root tests fopr Ghana (monthly data)




ADF

PP



coefficient (-1)

coefficient (-1)

GHMZWS

level

-0.02

-0.02



-2.33

-2.23


first differences

-0.76

-0.84



-4.33

-17.74

GHRI1WS

level

-0.03

-0.05



-1.89

-2.61


first differences

-1.72

-1.37



-5.66

-30.82

GHRI1RT

level

-0.09

-0.17



-1.88

-3.03


first differences

-1.87

-0.25



-6.04

-17.65

GHRIRT

level

-0.11

-0.11



-2.49

-2.86


first differences

-1.24

-1.21



-5.30

-14.15

GHGRWS

level

-0.01

-0.02



-1.26

-2.26


first differences

-1.23

-0.95



-5.28

-19.73

GHGRRT

level

-0.19

-0.26



-2.13

-4.43


first differences

-2.36

-1.23



-3.47

-14.26





GHPOWS

level

-0.28

-0.03



-5.51

-1.76


first differences

-1.56

-1.25



-5.75

-28.78

GHPORT

level

-0.23

-0.21



-3.25

-3.96


first differences

-1.48

-1.19



-3.32

-15.79

GHPKWS

level

-0.02

-0.04



-1.42

-2.05


first differences

-1.90

-1.39



-11.08

-34.60

GHSHWS

level

-0.03

-0.05



-1.73

-3.22


first differences

-1.67

-1.35



-5.74

-30.02

GHCSWS

level

-0.03

-0.05



-2.24

-3.24


first differences

-1.19

-1.20



-8.67

-25.55

GHCSRT

level

-0.18

-0.28



-2.52

-4.54


first differences

-1.50




-4.83


GHSHRT

level

-0.09

-0.11



-2.38

-2.78


first differences

-1.15

-1.19



-5.65

-13.97

see Table 1 for variables' names
bold = significant at 5% or more
Source: calculations n ESCB and IMF data


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