<p>I've been searching for answer, but I can't find a clear cut one. From what I understand it says that, in the realistic model there are no exogenous variables? Or does it say that there can be no clear cut identification of exogenous and endogenous variables?</p>

<p>Link: <a href="http://www.wifa.uni-leipzig.de/fileadmin/user_upload/iew-vwl/OEK-Lehre/tsa_winter2011/tsa01.pdf" rel="nofollow noreferrer">http://www.wifa.uni-leipzig.de/fileadmin/user_upload/iew-vwl/OEK-Lehre/tsa_winter2011/tsa01.pdf</a></p>

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2017-09-03T23:43:06.233Z
Hi there, and welcome to Econ.SE. This question, as is, needs some more information given to the readers. An explanation and source/citation for what Sims' critique is would be appreciated, for starters.
Kitsune Cavalry
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2017-09-03T23:50:16.440Z
@KitsuneCavalry that's what I'm hoping to find out.
James Ston
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2017-09-03T23:56:43.387Z
In that case, a link to a study where you heard of this idea would be appropriate.
Kitsune Cavalry
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2017-09-04T01:04:13.490Z
Read Sim's seminal paper introducing vector autoregression.
123
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2017-09-04T23:49:08.643Z
This question could be improved by included a quotation from the linked slides. The question posted on this site is meant to be permanent and outside links tend to die over time.
jmbejara
<macroeconomics><econometrics><mathematical-economics>
What does Sims' critique of economics models actually say?
James Ston
# What does Sims' critique of economics models actually say?

(Asked by: username_0 on 2017-09-03)

I've been searching for answer, but I can't find a clear cut one. From what I understand it says that, in the realistic model there are no exogenous variables? Or does it say that there can be no clear cut identification of exogenous and endogenous variables?

Link: <http://www.wifa.uni-leipzig.de/fileadmin/user_upload/iew-vwl/OEK-Lehre/tsa_winter2011/tsa01.pdf>

**Tags:** macroeconomics, econometrics, mathematical-economics

> **Comments:**
> **username_1**: Hi there, and welcome to Econ.SE. This question, as is, needs some more information given to the readers. An explanation and source/citation for what Sims' critique is would be appreciated, for starters.  
> **username_0**: @username_1 that's what I'm hoping to find out.  
> **username_1**: In that case, a link to a study where you heard of this idea would be appropriate.  
> **username_2**: Read Sim's seminal paper introducing vector autoregression.  
> **username_3**: This question could be improved by included a quotation from the linked slides. The question posted on this site is meant to be permanent and outside links tend to die over time.  

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