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Soluation of Test

Posted: Wed Jan 04, 2012 8:16 am
by alim
Hi Everyone

I need quick help. I have 6 variables. They are all non-stationary at level but 1st difference are stationary. So, in contegration test will I consider the variables at level or 1st difference?

I am looking quick help.

Thanking you

With regard
Babul