---- Coefficients ----
| (b) (B) (b-B) sqrt(diag(V_b-V_B))
| FE RE Difference S.E.
-------------+----------------------------------------------------------------
Index | 1.399917 2.974262 -1.574345 .
Size | .1472463 .0484904 .0987559 .1032529
Lev | -1.793174 -3.728045 1.934872 .2742653
Roa | -5.464873 -4.278146 -1.186727 .
Mfee | 16.40152 23.93342 -7.531897 .
Fix | 2.597532 -1.206776 3.804308 .5639635
------------------------------------------------------------------------------
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(6) = (b-B)'[(V_b-V_B)^(-1)](b-B)
= -856.75 chi2<0 ==> model fitted on these
data fails to meet the asymptotic
assumptions of the Hausman test;
see suest for a generalized test


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