模型

OLS

2SLS

Y

Y

X₁

X₂

X₃

常量

76.009^***

(0.000)

70.055^***

(0.004)

1.478^***

(0.000)

3.235^***

(0.000)

1.221^***

(0.000)

Y

1.272

(0.061)

0.985

(0.105)

0.535^**

(0.002)

X1

0.307

(0.489)

0.287

(0.687)

−0.831

(0.176)

−0.062

(0.013)

X2

−1.241

(0.805)

−1.290

(0.248)

−0.062^**

(0.006)

0.296

(0.030)

X3

0.431^**

(0.037)

0.811

(0.004)

0.296^**

(0.013)

−1.653^**

(0.011)

S

−8.755^***

(0.000)

−6.293

(0.000)

−3.209

(0.329)

4.562

(0.301)

−3.209

(0.329)

G

4.645^**

(0.029)

3.105

(0.030)

2.342^**

(0.018)

−3.212^**

(0.012)

2.342^**

(0.018)

L

−8.847

(0.660)

−9.059

(0.510)

−5.132^**

(0.029)

5.325^**

(0.031)

−5.132^**

(0.029)

IS

1.959^**

(0.001)

0.876

(0.831)

0.963

(0.532)

0.876

(0.082)

IY

−0.013^***

(0.000)

−0.020^***

(0.001)

0.021^***

(0.000)

−0.020^***

(0.000)

Prob > F

0.000

0.000

0.000

0.000

0.000

Adj-R²

0.237

0.151

0.013

0.291

0.059