Variable

Lnprice

Model 1

Model 2

Model 3

Model 4

Model 5

Model 6

Model 7

Lnage

1.182***

1.214***

1.137***

0.768***

0.801***

0.815***

0.657***

(7.234)

(7.542)

(7.250)

(4.494)

(5.625)

(5.843)

(4.720)

Symptoms

0.881***

0.900***

0.861***

0.788***

0.788***

0.748***

0.742***

(12.303)

(12.614)

(12.422)

(11.776)

(11.777)

(11.378)

(11.521)

Urban

0.199**

0.224**

0.186**

0.210**

0.210**

0.173*

0.144

(2.073)

(2.323)

(2.009)

(2.293)

(2.300)

(1.933)

(1.633)

Sex

0.010

−0.002

0.002

0.034

─

─

─

(0.104)

(−0.026)

(0.022)

(0.382)

Married

0.181

0.207

0.204

−0.063

─

─

─

(0.864)

(1.035)

(1.030)

(−0.322)

Education

0.128***

0.141***

0.129***

0.129***

0.132***

0.119***

0.093**

(3.005)

(3.244)

(3.188)

(3.104)

(3.195)

(2.934)

(2.314)

Job

─

─

─

−0.418***

−0.406***

−0.356***

−0.349***

(−4.225)

(−4.281)

(−3.813)

(−3.797)

Endurance

─

─

─

−0.800***

−0.799***

−0.890***

−1.079***

(−8.341)

(−8.344)

(−9.083)

(−10.092)

Insurance

─

─

─

0.216**

0.217**

0.108

0.090

(2.309)

(2.322)

(1.124)

(0.935)

Constance

−2.811***

−3.068***

−3.568***

−0.892

−1.021*

−1.182*

−1.378**

(−4.218)

(−4.687)

(−5.584)

(−1.235)

(−1.691)

(−1.959)

(−2.329)

Province dummies

─

─

─

─

─

Control

Control

Year dummies

─

─

─

─

─

─

Control

Adj R-squared

0.167

─

─

─

─

─

─

Log likelihood

─

−2281.88

−2263.06

−2220.86

−2220.97

−2192.15

−2168.79

LR test (chi2)

─

─

37.635

122.032

121.811

179.454

226.165

P-value

─

─

0.000

0.000

0.000

0.000

0.000

N

1208

1208

1208

1208

1208

1208

1208