I need some help with SVAR. I have 6 variables in reduced form SVAR. 2 of them are international variables and have not effect on other 4 variables. I write a program code for estimation and irfs.
But when I estimate this system with FIML (Full Information Maximum Likelihood) estimator, it can be produced only coefficients and irfs. But standard errors and p values cannot be produced. The error is "Warning: Singular Covariance - Coefficients are not unique".
I have experience in econometrics and in Eviews, but no in FIML estimator.
How can I solve this problem?
Thanks a lot.
For technical questions regarding estimation of single equations, systems, VARs, Factor analysis and State Space Models in EViews. General econometric questions and advice should go in the Econometric Discussions forum.
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