解释变量

(1)

(2)

(3)

$\ln \left(GD{P}_{it}\right)$

0.9892^***

(48.0865)

1.0565^***

(49.3565)

1.0151^***

(58.4749)

$\ln \left(GD{P}_{jt}\right)$

1.2751^***

(38.9723)

1.1406^***

(33.4901)

1.1799^***

(42.7358)

$\ln \left(DISTANC{E}_{ij}\right)$

−0.8533^***

(−61.8645)

−0.9798^***

(−68.2616)

−0.8811^***

(−75.6977)

$\ln \left(PO{P}_{it}\right)$

−0.1077^***

(−6.4829)

−0.1239^***

(−7.1640)

−0.1201^***

(−8.5638)

$\ln \left(PO{P}_{jt}\right)$

−0.3166^***

(−10.4282)

−0.2001^***

(−6.3305)

−0.2489^***

(−9.7153)

$\ln \left(SO{E}_{it}\right)$

−0.1973^***

(−4.2300)

−0.1887^***

(−3.8874)

−0.2189^***

(−5.5630)

$LANGUAG{E}_{ij}$

0.1039^***

(4.9545)

0.2055^***

(8.7322)

0.1463^***

(7.6665)

$ADJACEN{T}_{ij}$

0.1566^***

(6.0084)

0.1952^***

(7.1953)

0.1657^***

(7.5295)

$FT{A}_{ij}$

0.1306^***

(7.7241)

0.1628^***

(9.2591)

0.1326^***

(9.2961)

C常数项

−11.3494^***

(−46.5573)

−10.9534^***

(−43.1662)

−10.5124^***

(−51.1012)

加权 $R^2$

0.7360

0.7334

0.7951

加权修正后 $R^2$

0.7355

0.7329

0.7947

F检验prob.值

0.0000

0.0000

0.0000

样本数

6398

6397

6398