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Timeline for Modelling VAR or VECM [duplicate]

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Feb 27, 2021 at 21:19 comment added Richard Hardy Series that are I(0) cannot be cointegrated. If a bunch of series are I(1) and not cointegrated, they cannot be cointegrated in first differences for that reason; check the definition of cointegration which requires the constituents to be integrated, never I(0).
Feb 27, 2021 at 21:15 history closed Richard Hardy
kjetil b halvorsen
Duplicate of VAR or VECM for a mix of stationary and nonstationary variables?
Feb 27, 2021 at 19:13 comment added RoutoCharles @RichardHardy and For the non-stationarity series they not cointegrated in level, but cointegrated in first differences. What should I do? I didn't understand how to do "If (C) then build a model where..." this
Feb 27, 2021 at 19:04 comment added RoutoCharles HI Richard, i saw your answer and i have a question: I changed my variables and now I have 3 OF THEN ARE STATIONARY (x1, x2 and x3) and 2 are NOT. -Test each pair of the nonstationary series (x1 and x2; x1 and x3; x2 and x3) for cointegration using the Johansen or the Engle-Granger test . i did this for the stationary the series cointegrated using Engle-Granger and then using Johansen Trace test indicated 3 cointegrating.
Feb 27, 2021 at 18:55 review Close votes
Feb 27, 2021 at 21:15
Feb 27, 2021 at 18:37 comment added Richard Hardy Does this answer your question? VAR or VECM for a mix of stationary and nonstationary variables
Feb 27, 2021 at 18:35 comment added Richard Hardy See these threads. Your question is likely a duplicate of one of these.
Feb 27, 2021 at 18:34 comment added Richard Hardy Cross posted at Economics SE.
Feb 27, 2021 at 17:26 history edited RoutoCharles CC BY-SA 4.0
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Feb 27, 2021 at 16:50 review First posts
Feb 27, 2021 at 17:12
Feb 27, 2021 at 16:44 history asked RoutoCharles CC BY-SA 4.0