Stata Panel Data Verified Access
FE coefficient on union = 0.145 (p<0.01) → Union membership raises wage by 14.5% (semi-elasticity), holding experience and year constant.
1:1 because each combination is unique.
Use reshape long to convert to :
: Use estat abond to test for no second-order autocorrelation. stata panel data
: Any variable that does not change over time (e.g., gender, country of origin) is dropped from the regression automatically. C. Random Effects Model ( xtreg, re ) FE coefficient on union = 0
When you run xtreg, fe , Stata automatically displays an F-test at the bottom of the output window: F test that all u_i=0 . re ) When you run xtreg