hausman fe re
---- Coefficients ----
| (b) (B) (b-B) sqrt(diag(V_b-V_B))
| fe re Difference S.E.
-------------+----------------------------------------------------------------
lincomep | .6622498 .5549858 .107264 .0434669
lrpmg | -.3217025 -.4203893 .0986868 .0186143
lcarpcap | -.6404829 -.6068402 -.0336428 .0151597
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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(3) = (b-B)'[(V_b-V_B)^(-1)](b-B)
= 302.80
Prob>chi2 = 0.0000
(V_b-V_B is not positive definite)