Hello,

I am using panel data, with firm data where I analyze 13 determinants of ownership by investment funds. I have 15 years of data on approximately 8000 firms. My version of Stata is 14.0 (unfortunately I cannot update since I am using it at my university).

My basic (simplified) regression looks like this:
Code:
xtreg Ownership ESG FirmSize SalesGrowth, fe cluster(ID)
Now I would like to compare the coefficients of "ESG" from two different regressions, both with another dependent ownership variable, with a chi square test. I have attempted the following:
Code:
xtreg Ownership1 ESG FirmSize SalesGrowth, fe cluster(ID)
est store Option1
xtreg Ownership2 ESG FirmSize SalesGrowth, fe cluster(ID)
est store Option2
suest Option1 Option2
test ([Option1_mean]_b[ESG ] = [Option2_mean]_b[ESG ])
This code should work for 'normal' regressions, however in my case with panel data I get the error message: "xtreg is not supported by suest" r(322)
Does anybody know of an alternative method or a way around this?

Thanks in advance for any thoughts!