流动过的城市数量

−0.081^***

−0.105^***

−0.055^***

(−11.643)

(−7.723)

(−6.752)

_cons

−2.668^***

−3.328^***

−2.266^***

(−10.125)

(−7.007)

(−6.808)

/:

var(_cons[city])

0.319^***

0.370^***

0.302^***

(4.904)

(4.235)

(4.298)

N

31926

10650

18092

chi²

2563.456

950.555

1336.450

p

0

0.000

0.000