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1. Engle granger 2 step procedure
2. First test the variables for their order of integration
Test the level and first and maybe second difference
4. Start pc-give and go to descriptive statistics for the DF tests
9. So pictures say non stationary and so do the tests.
Repeat for differences and for the other variables
10. Then start to asses cointegration
Start econometric modelling
Estimate a simple static equation (no lags)
18. Now test the residual for sationarity
21. So add variables until we get cointegration
24. Now save and test this residual
27. So now build error correction model
31. Now just delete the insignificant variables making sure that you do not fail any of the tests until we get a parsimonious model