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Note: the rank of the differenced variance matrix (3) does not equal the number of
coefficients being tested (8); be sure this is what you expect, or there may
be problems computing the test. Examine the output of your estimators for anything unexpected and possibly consider scaling your variables so that the
coefficients are on a similar scale.
---- Coefficients ----
(b) (B) (b-B) sqrt(diag(V_b-V_B))
re fe Difference S.E.
mp .0644864 .006769 .0577174 .
squaremp -.0793934 -.0056166 -.0737769 .
lnscale -.0158383 -.0125846 -.0032537 .
squarelnsc~e .0019906 .0010591 .0009315 .
cr8 8.838239 4.796502 4.041737 .
squarecr8 -91.66025 -54.99859 -36.66166 .
lnage .0222328 -.0095064 .0317392 .0030863
inter .0119843 .0195311 -.0075467 .
b = consistent under Ho and Ha; obtained from xttobit
B = inconsistent under Ha, efficient under Ho; obtained from bop
Test: Ho: difference in coefficients not systematic
chi2(3) = (b-B)'[(V_b-V_B)^(-1)](b-B)
= -42.60 chi2<0 ==> model fitted on these
data fails to meet the asymptotic
assumptions of the Hausman test;
see suest for a generalized test
您好,请问我做豪斯曼检验出现这样的结果是什么意思呢
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