st: Long run causality after VEC?

["kknight09" <kknight09@hotmail.com>]

Dear all

I am conducting a causal relationship between variables.
I have generated my VEC and did my short run causality test using the -test- 
command (Wald Test).
Furthermore, I did a normal regression and predicted my residual.
Following this, I ran a regression of my differenced variables along with 
the lags of residual to get my ECM term.

My questions are:
-Do the beta estimates in the VEC represent the long run relationship of my 
variables towards my dependent variable?
-I understand the ECM term represents the speed of adjustment. But does it 
convey long run causality?
-I also understand that just like short run causality, each variable should 
have a Chi(2) and p-value conveying the long run causality.
But I cannot find how to do that in Stata...Is it possible to do that? What 
are the commands?

I will be very grateful for your help...
Thanking you in anticipation...

Ken 

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