Dear Statalisters,
I am trying to estimate the following system of equations using the reg3 command with the endog() option
y1,y2 and x1 are endogeneous variables and z1-z4 are instruments
reg3 (y1 y2 x1 x2 z1 z2) (y2 y1 x1 x2 z2 z4) , endog(x1 )
however, when I run this on STATA15 I get the following message : equation is not identified -- does not meet order conditions. I am not sure how to proceed further and any help would be very useful.
Regards,
Naveed
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