Variables

150 km

200 km

250 km

300 km

(1)

(2)

(3)

(4)

distance

1.3873**

1.2159***

1.0837**

1.0970***

(0.455)

(0.367)

(0.350)

(0.311)

l_lnrgdp

0.5040**

0.6173***

0.6437***

0.7010***

(0.174)

(0.120)

(0.114)

(0.115)

l_lninv

0.1395**

0.1369**

0.1106**

0.0720***

(0.047)

(0.042)

(0.037)

(0.020)

l_lnpop

−0.5515***

−0.6431***

−0.6623***

−0.6757***

(0.091)

(0.072)

(0.066)

(0.060)

l_ln(n + γ + δ)

0.6613

0.5177

0.3722

0.2856

(0.392)

(0.296)

(0.276)

(0.217)

City FE

YES

YES

YES

YES

Year FE

YES

YES

YES

YES

N

588

885

1086

1369

R²

0.963

0.962

0.959

0.956