East

Central section

West

L.dvar

0.839***

(0.057)

0.873***

(0.019)

0.846***

(0.035)

ers

−0.031**

(0.049)

−0.011***

(0.024)

−0.007

(0.014)

ers2

0.072*

(0.042)

0.043**

(0.006)

0.036**

(0.016)

fdi

−0.025**

(0.096)

0.012**

(0.061)

0.019

(0.013)

human

0.071**

(0.028)

0.053

(0.036)

0.035

(0.019)

rd

0.032*

(0.019)

−0.033***

(0.011)

−0.021*

(0.012)

lnkl

−0.065*

(0.036)

0.047***

(0.018)

0.061**

(0.028)

lnsize

−0.084*

(0.044)

0.037**

(0.018)

0.048*

(0.025)

_cons

0.095***

(0.037)

0.162***

(0.028)

0.132***

(0.049)

N

1300

1300

910

AR (1) test

−2.26

[0.000]

−4.85

[0.000]

−2.32

[0.020]

AR (2) test

−0.58

[0.565]

−1.10

[0.270]

−1.13

[0.259]

Sargan test

39.86

[0.108]

47.81

[0.185]

30.06

[0.183]