变量

IP t 0

IP t 1

模型11

模型12

模型13

模型14

模型15

模型16

OA

1.819***

1.820***

1.843***

2.865***

1.820***

2.880***

(5.814)

(5.811)

(5.879)

(7.075)

(5.811)

(7.095)

IN

2.640***

2.640***

2.654***

3.120***

2.640***

3.128***

(50.18)

(50.18)

(49.73)

(45.83)

(50.18)

(45.28)

PA3

0.919***

0.919***

0.919***

0.765***

0.919***

0.765***

(118.5)

(118.4)

(118.3)

(76.23)

(118.4)

(76.14)

NS

0.0884***

0.0884***

0.0885***

0.108***

0.0884***

0.108***

(3.290)

(3.290)

(3.294)

(3.113)

(3.290)

(3.114)

ND

43,743***

43,789***

43,471***

71,624***

43,789***

71,487***

(3.243)

(3.244)

(3.220)

(4.103)

(3.244)

(4.091)

EO

−366.6***

−366.6***

−368.2***

−528.8***

−366.6***

−529.8***

(−13.86)

(−13.85)

(−13.91)

(−15.45)

(−13.85)

(−15.46)

RO

−406.8***

−406.8***

−407.2***

−585.7***

−406.8***

−586.0***

(−14.93)

(−14.93)

(−14.94)

(−16.61)

(−14.93)

(−16.61)

G

−416.8***

−416.8***

−419.8***

−597.8***

−416.8***

−599.5***

(−11.75)

(−11.75)

(−11.81)

(−13.02)

(−11.75)

(−13.04)

CCT

1.011

−136.4

1.011

−78.51

(0.0847)

(−1.558)

(0.0847)

(−0.693)

CCT2

140.4

81.24

(1.585)

(0.708)

Constant

12.12

11.67

15.52

3.969

11.67

5.747

(0.116)

(0.111)

(0.148)

(0.0292)

(0.111)

(0.0423)

Observations

12,062

12,062

12,062

12,062

12,062

12,062

R-squared

0.723

0.723

0.723

0.580

0.723

0.580

Ajusted R2

0.580

0.580

0.580

0.580

0.580

0.580