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Table 25. Ghana. Co-integration tests, ARDL long run coefficients and ECM representations (monthly data)


Dependent variable

Regressors

sample: Jan 1965 - May 2001

GHMZWS

=

WRMZRP

cointegration *







2.89

-0.04







2.72

-2.99





dGHMZWS

=

dGHMZWS1

dGHMZWS7

dGHMZWS8

dGHMZWS11

dWRMZRP8

ecm(-1)



0.16

0.09

-0.12

0.26

-0.73

-0.04



3.46

1.99

-2.57

5.57

-3.65

-2.97

sample: Jan 1967 - May 2001

GHSHWS

=

WRSHRP

cointegration *







2.62

-0.06







1.92

-2.57





dGHSHWS

=

dGHSHWS1

dGHSHWS2

ecm(-1)






-0.37

-0.12

-0.05






-7.41

-2.36

-2.66




sample: Jan 1965 - May 2001

GHGRWS

=

WRGRRP

cointegration *







2.54

-0.07







2.87

-4.18





dGHGRWS

=

dGHGRWS5

dGHGRWS9

dGHGRWS11

dWRGRRP1

ecm(-1)




-0.34

-0.17

0.15

-0.29

-0.03




-6.39

-2.99

2.44

-2.31

-2.46


sample: Jan 1990 - May 2001

GHMZRT

=

GHMZWS

cointegration *







0.71

-0.31







8.78

-3.60





dGHMZRT

=

dGHMZRT1

dGHMZRT4

dGHMZRT5

dGHMZWS

dGHMZWS4

dGHMZWS5



0.28

0.21

0.23

0.73

-0.18

-0.15



3.08

2.23

2.48

15.34

-2.29

-1.97

sample: Jan 1990 - May 2001

GHSHRT

=

GHSHWS

cointegration *







0.62

-0.34







5.88

-3.80





dGHSHRT

=

dGHSHWS

ecm(-1)







0.09

-0.22







3.13

-4.50





sample: Jan 1990 - May 2001

GHPORT

=

GHPOWS

cointegration *







0.66

-0.49







4.97

-5.14





dGHPORT

=

dGHPORT3

dGHPORT4

dGHPOWS

ecm(-1)





0.17

-0.22

0.11

-0.37





1.97

-2.58

2.34

-4.81



sample: Jan 1990 - May 2001

GHRI1RT

=

GHRI1WS

cointegration *







0.69

-0.40







3.88

-4.64





dGHRI1RT

=

dGHRI1RT1

dGHRI1WS

ecm(-1)






-0.27

0.19

-0.27






-2.92

2.19

-3.09




sample: Jan 1990 - May 2001

GHCSRT

=

GHCSWS

cointegration *







0.73

-0.49







6.53

-3.71





dGHCSRT

=

dGHCSRT1

dGHCSWS

ecm(-1)






-0.19

0.35

-0.48






-2.13

4.41

-5.35




see Table 1 for variables' names

* figures reported are the ADF coefficients and t values for the level of the residual of the static regression between the two variables reported on the left. This corresponds to the Engle and Granger (1987) test for cointegration source: own calculation on ESCB price data


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