变量

salary

(1)

salary

(2)

salary

(3)

salary

(4)

price

3.400***

0.525***

2.055***

0.660***

(24.21)

(2.61)

(10.13)

(3.12)

lninvest

5001.698***

−685.799

(6.57)

(−0.89)

lngdp

13,363.111***

6049.842***

(9.29)

(4.95)

lnjob

541.677

2174.131**

(0.39)

(2.24)

lnsecond

−12,034.782**

−1876.037

(−2.11)

(−0.24)

lnthird

−10,104.606

5396.226

(−1.18)

(0.51)

lnbook

−1622.834**

982.387*

(−2.51)

(1.90)

lnroad

−3118.533**

−4459.547***

(−2.28)

(−4.01)

lngrass

1774.286**

2351.701***

(2.33)

(3.09)

lnbed

10,305.928***

433.025

(6.34)

(0.55)

lnteacher

−4023.129*

−14.544

(−1.75)

(−0.01)

lnbus

−6914.080***

−1984.620**

(−5.92)

(−2.17)

lnemploy

−4981.938***

−7475.466***

(−5.03)

(−5.14)

lncost

1168.674

−679.280

(0.72)

(−0.58)

lncpi

−16,468.230

116,527.106***

(−0.86)

(4.07)

Constant

20,626.431***

39,639.749***

−26,446.119

−534,315.222***

(19.32)

(10.85)

(−0.25)

(−3.43)

时间固定效应

未控制

已控制

未控制

已控制

个体固定效应

未控制

已控制

未控制

已控制

Observations

420

420

420

420

R-squared

0.584

0.962

0.853

0.972