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Hey Guys~ I have a question about Granger Causality test ~~please kindly help me~~!! When we use the Granger Causality Test in Eviews, do we use the level or first difference series??? Do we have to change the data into the first difference series when we run the modelling?? Many Thanks!!!!!!!!!!

Hey, guys, I have one problem with Johansen cointegration test and wish you could help me. I know the the variables needs to be intergrated into the same order in order to use Johansen test and my variables are all I(1) series. My questions is when we conduct Johasen cointegration test, do we use th...

Hey, Guys: I need some help about programming. I know Eviews have lots of some cointegration analysis such as Johansen and Granger, but these techniques assume linear cointegration. After 1999, there are several literature about nonlinear cointegration and I wonder if Eviews have the any programming...