xtreg WN vc ret_mean sigma ncskew_tl dturn accm lev MB lnasset roe i.year i.ind,re
用了面板数据随机效应,得到这个结果:自变量是vc,因变量是wn,从上面看两者是不显著的,那控制了行业和年份变量怎么看两者关系
WN Coef. Std. Err. z P>z [95% Conf. Interval]
vc -.0173637 .0196412 -0.88 0.377 -.0558597 .0211323
ret_mean 1.282099 .8930752 1.44 0.151 -.4682957 3.032495
sigma -.316311 .1907885 -1.66 0.097 -.6902496 .0576275
ncskew_tl .0495096 .0094527 5.24 0.000 .0309826 .0680366
dturn -.0541394 .0235775 -2.30 0.022 -.1003504 -.0079283
accm -.0086487 .0106854 -0.81 0.418 -.0295917 .0122943
lev -.0407338 .0369559 -1.10 0.270 -.113166 .0316984
MB .033345 .0060461 5.52 0.000 .0214949 .0451951
lnasset .0111117 .0064783 1.72 0.086 -.0015855 .0238089
roe .0395748 .038824 1.02 0.308 -.0365188 .1156685
year
2007 .0167758 .0245447 0.68 0.494 -.0313309 .0648825
2008 -.3764344 .03842 -9.80 0.000 -.4517362 -.3011326
2009 -.1910572 .0251782 -7.59 0.000 -.2404056 -.1417089
2010 -.2403756 .0256804 -9.36 0.000 -.2907083 -.1900429
2011 -.2482031 .0278761 -8.90 0.000 -.3028393 -.1935669
ind
2 -.0943956 .0581546 -1.62 0.105 -.2083765 .0195854
3 .030751 .0479249 0.64 0.521 -.06318 .124682
4 -.0134775 .0542426 -0.25 0.804 -.119791 .092836
5 -.0191195 .0622056 -0.31 0.759 -.1410401 .1028011
6 .0756379 .0511128 1.48 0.139 -.0245414 .1758173
7 -.0728461 .0550506 -1.32 0.186 -.1807433 .035051
8 -.0374467 .0903076 -0.41 0.678 -.2144463 .1395529
9 .0526424 .0604884 0.87 0.384 -.0659127 .1711974
10 .0029089 .0517217 0.06 0.955 -.0984638 .1042816
11 .0995229 .0767671 1.30 0.195 -.0509378 .2499836
12 -.0095259 .2746411 -0.03 0.972 -.5478126 .5287608
13 .0888414 .07205 1.23 0.218 -.052374 .2300569
14 .5212949 .2021034 2.58 0.010 .1251796 .9174102
15 -.0810517 .1665733 -0.49 0.627 -.4075295 .245426
16 .0188025 .0879197 0.21 0.831 -.1535169 .191122
17 .0509834 .0669064 0.76 0.446 -.0801506 .1821175
_cons -.2800735 .1506126 -1.86 0.063 -.5752688 .0151217
sigma_u .05126811
sigma_e .44653966
rho .0130103 (fraction of variance due to u_i)


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