请高手帮忙看看hausman检验结果?应采用fe还是re模型?判断标准是什么?

. hausman fe

---- Coefficients ----

| (b) (B) (b-B) sqrt(diag(V_b-V_B))

| fe re Difference S.E.

-------------+----------------------------------------------------------------

var4 | .2832305 .345671 -.0624405 .0252408

var5 | .257325 .2548738 .0024512 .0055455

var6 | .0501169 .0341861 .0159308 .0088146

var7 | .4503879 .4085974 .0417906 .0955505

------------------------------------------------------------------------------

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(4) = (b-B)'[(V_b-V_B)^(-1)](b-B)

= 8.69

Prob>chi2 = 0.0693