固定效应与随机效应-经管之家官网！

面板结构工作文件的Hausman检验结果表明用随机效应，但固定效应模型的效果明显好于随机效应模型，我到底应该用固定效应还是随机效应呢?跪求各位大神指点！Hausman检验结果：
Correlated Random Effects - Hausman Test
Equation: Untitled
Test cross-section random effects

Test Summary Chi-Sq. Statistic Chi-Sq. d.f. Prob.

Cross-section random 11.272081 7 0.1272
固定效应结果：

	Coefficient	Std. Error	t-Statistic	Prob.
C	-0.089925	0.056005	-1.605654	0.1098
PENSION	1.386228	0.222804	6.221744	0
FIXASS	0.008831	0.001341	6.585614	0
GROWTH	-0.003768	0.001097	-3.433634	0.0007
LEVERAGE	-0.024431	0.005663	-4.314027	0
OWNER	-0.002944	0.001605	-1.834491	0.068
ROE	0.004253	0.005614	0.757551	0.4495
SIZE	0.00674	0.0024	2.808712	0.0054
	Effects Specification
Cross-section fixed (dummy variables)
	Weighted Statistics
R-squared	0.98712	Mean dependent var		0.151894
Adjusted R-squared	0.980112	S.D. dependent var		0.227274
S.E. of regression	0.017414	Sum squared resid		0.065201
F-statistic	140.8389	Durbin-Watson stat		3.034818
Prob(F-statistic)	0
	Unweighted Statistics
R-squared	0.711131	Mean dependent var		0.056736
Sum squared resid	0.071397	Durbin-Watson stat		3.059369

随机效应结果：

	Coefficient	Std. Error	t-Statistic	Prob.
C	0.131581	0.04697	2.801406	0.0054
PENSION	0.76114	0.940187	0.809562	0.4188
FIXASS	0.011608	0.006607	1.757029	0.0799
GROWTH	-0.002282	0.004355	-0.523993	0.6006
LEVERAGE	0.011652	0.014096	0.826617	0.4091
OWNER	-0.004143	0.005233	-0.791741	0.4291
ROE	0.011359	0.014476	0.784649	0.4332
SIZE	-0.00344	0.002127	-1.61746	0.1067
	Effects Specification
			S.D.	Rho
Cross-section random			0.020118	0.5503
Idiosyncratic random			0.018187	0.4497
	Weighted Statistics
R-squared	0.028852	Mean dependent var		0.026252
Adjusted R-squared	0.007935	S.D. dependent var		0.018379
S.E. of regression	0.018306	Sum squared resid		0.108912
F-statistic	1.379353	Durbin-Watson stat		2.041862
Prob(F-statistic)	0.213169
	Unweighted Statistics
R-squared	0.025564	Mean dependent var		0.056736
Sum squared resid	0.240841	Durbin-Watson stat		0.923362

谢谢各位大神啦！