Reg tax L.gdp

R-squared = 0.9973

DL.tfa DL.imp

Prob > F = 0.0000 Adj R-squared = 0.9970

tax

Coef.

Std. Err.

t

P > t

95% CI下限

95% CI上限

L.gdp

0.1753695

0.0029654

59.14

0.000

0.1692492

0.1814899

DL.tfa

0.2885363

0.034073

8.47

0.000

0.2182131

0.3588594

DLimp

0.0969123

0.0358536

2.70

0.012

0.0229141

0.1709104

_cons

−3801.342

892.2865

−4.26

0.000

−5642.931

−1959.753