. hausman fe re,sigmamore
---- Coefficients ----
| (b) (B) (b-B) sqrt(diag(V_b-V_B))
| fe re Difference S.E.
-------------+----------------------------------------------------------------
lnifdi | -.2309975 -.3516094 .120612 .067444
lntrade | .7846962 .9860063 -.2013101 .1209272
lngdpp | .4174144 -.0913234 .5087377 .2927021
lnopen | .7148228 .0057708 .7090521 .3558267
distance | .0044592 -.0000305 .0044897 1.093039
------------------------------------------------------------------------------
b = consistent under Ho and Ha; obtained from xtreg
B = inconsistent under Ha, efficient under Ho; obtained from xtreg
Test: Ho: difference in coefficients not systematic
chi2(5) = (b-B)'[(V_b-V_B)^(-1)](b-B)
= 8.94
Prob>chi2 = 0.1115
.