Dear all,
I have a panel with 100 countries over 24 years. The panel is unbalanced as for the last 10 years I only have data for 41 countries.
I am trying to run a model with panel corrected standard errors and I am using the following command
Code:
eststo: xtpcse y l.x l.controls yeardum* country*, pairwise correlation(ar1)
The issue is that while stata computes the coefficients it does not compute the SE. is anyone able to tell my why is this the case and whether there is any changes to the syntax I could to to overcome this issue?
I am attaching a photo of the outcome to show the issue:


Array

Thank you very much in advance for your help