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我想用国家假人来估计国家固定效应。国家固定效应
fe1b <- plm(
bond_GDP_local ~ real_r + equity_volatility, model = 'within', data = panel_eme_filtered
)
这给了我同样的系数由地下1:
fe1bc <- plm(
bond_GDP_local ~ real_r + equity_volatility +country_code, model = 'within', data = panel_eme_filtered
)
即使我进入国家假人到我的公式,我看不出它的效果。 这是否意味着第一个模型已经合并了它?
谢谢
它们两者给我这个:
Oneway (individual) effect Within Model
Call:
plm(formula = bond_GDP_local ~ real_r + equity_volatility, data = panel_eme_filtered,
model = "within")
Balanced Panel: n=8, T=60, N=480
Residuals :
Min. 1st Qu. Median 3rd Qu. Max.
-2.7200 -0.3450 -0.0927 0.2200 5.6200
Coefficients :
Estimate Std. Error t-value Pr(>|t|)
real_r -0.0331088985 0.0171886368 -1.926 0.0547 .
equity_volatility -0.0000003838 0.0000006396 -0.600 0.5488
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Total Sum of Squares: 345.7
Residual Sum of Squares: 342.7
R-Squared: 0.008731
Adj. R-Squared: -0.01025
F-statistic: 2.06979 on 2 and 470 DF, p-value: 0.1274
另一个问题:在这个模型如何估计稳健面板的时间序列数据的标准误差?
您可能要检查出'lfe'包和'felm()'。 –
感谢您的回复,但我完全无法弄清楚如何在文档中使用felm()和给定示例。我怎样才能使用这个模型,你能帮忙吗? – user5372470