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Table 27. Ghana. ECM model with dummy variables for positive residuals of the static model (monthly data


Dependent variable

Regressors

sample: Jan 1965 - May 2001

dGHGRWS

=

dGHGRWS5

dGHGRWS9

dGHGRWS11

dWRGRRP

dWRGRRP1

dDGRWS

ecm(-1)



-0.28

-0.13

0.14

0.26

-0.26

0.32

-0.07



-5.64

-2.54

2.46

2.20

-2.30

8.26

-3.58

sample: Jan 1990 - May 2001

dGHMZWS


dGHMZWS4

dGHMZWS5

dGHMZRT

dGHMZRT4

dGHMZRT5

dD1MZWS

ecm(-1)



0.24

0.18

0.93

-0.28

-0.23

0.07

-0.33



2.96

2.15

16.17

-2.89

-2.37

4.41

-4.69

sample: Jan 1990 - May 2001

dGHRI1WS

=

dGHRI1RT

dD1RI1WS

ecm(-1)







0.30

0.09

-0.36







6.51

8.46

-6.49





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

d = differences; 1, 2, 3,... = differences lagged 1, 2, 3,...

source: own calculation on ESCB price data


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