T0 T1我查了各家银行上市的时间,然后标出了 0 1,用需要确定滞后项吗?AIC什么的不太懂
可以具体点解释吗,我是个完全的新手,help看不太懂,诚恳希望得到帮助。
我把T0 T1去掉后得到的回归结果是下面,Pro>F是什么意思呢,杠杆率显著,流动性不显著吗。我论文交的比较急,可能问题比较简单,希望不要嫌弃。
xtreg Y LIQUIDITY LEVER,fe
Fixed-effects (within) regression Number of obs = 74
Group variable: id Number of groups = 17
R-sq: within = 0.1300 Obs per group: min = 2
between = 0.2683 avg = 4.4
overall = 0.1552 max = 9
F(2,55) = 4.11
corr(u_i, Xb) = 0.1559 Prob > F = 0.0217
------------------------------------------------------------------------------
Y | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
LIQUIDITY | .0007398 .0184977 0.04 0.968 -.0363305 .0378101
LEVER | .3948951 .1416582 2.79 0.007 .1110056 .6787845
_cons | 10.22919 .9632641 10.62 0.000 8.298769 12.15962
-------------+----------------------------------------------------------------
sigma_u | .95411971
sigma_e | .78445202
rho | .59666961 (fraction of variance due to u_i)
------------------------------------------------------------------------------
F test that all u_i=0: F(16, 55) = 6.48 Prob > F = 0.0000
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