求问各位大神,我做固定效应模型和随机效应模型,用的面板数据,xtreg y x ,fe后结果的p值是不是不显著的,是不是不能用这个模型呀
Fixed-effects (within) regression Number of obs = 372
Group variable: 年份 Number of groups = 6
R-sq: Obs per group:
within = 0.6484 min = 62
between = 0.3455 avg = 62.0
overall = 0.6463 max = 62
F(5,361) = 133.12
corr(u_i, Xb) = -0.0214 Prob > F = 0.0000
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融资约束SA | Coef. Std. Err. t P>|t| [95% Conf. Interval]
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csr | -.0834851 .0322207 -2.59 0.010 -.1468488 -.0201213
资产规模 | -.3261927 .0170693 -19.11 0.000 -.3597605 -.292625
净资产收益率 | .328422 .2980563 1.10 0.271 -.2577227 .9145667
流动比率 | .0806905 .0141643 5.70 0.000 .0528355 .1085455
财务杠杆 | -.0750035 .1807182 -0.42 0.678 -.4303962 .2803891
_cons | -1.166372 .1463617 -7.97 0.000 -1.454201 -.8785434
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sigma_u | .05350974
sigma_e | .46017032
rho | .01334122 (fraction of variance due to u_i)
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F test that all u_i=0: F(5, 361) = 0.82 Prob > F = 0.5348
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