Table 7 Robustness test: moderating effect of the NRCMS

L.y

0.4794^***

0.0957

0.5274^***

0.1288^**

(0.0592)

(0.0906)

(0.0461)

(0.0636)

Med_vst

0.2387^*

1.2224^***

− 0.2271^**

− 1.4320^**

(0.1345)

(0.2522)

(0.0849)

(0.4830)

NRCMS

0.0634^***

− 0.0966^***

(0.0102)

(0.0284)

Treat4

− 0.0158^***

0.0230^**

(0.0023)

(0.0071)

Gender

0.0041

0.1129

− 0.0010

0.0821

(0.0532)

(0.1563)

(0.0388)

(0.0795)

Edu

0.0982

0.0196

− 0.0421

− 0.0056

(0.0763)

(0.0806)

(0.0493)

(0.0734)

Marry

− 0.0654

0.1199

− 0.1068^**

− 0.1104

(0.0726)

(0.1444)

(0.0515)

(0.0933)

Unemp

0.5502^**

1.1133^**

− 0.4360^**

− 0.4932

(0.1969)

(0.5058)

(0.1583)

(0.4941)

H_size

1.6030

1.9210

− 1.6778^**

− 2.5451^*

(1.0612)

(1.7262)

(0.7433)

(1.5163)

Dpd_ratio

0.0141

0.1152^*

0.0286

0.0123

(0.0292)

(0.0602)

(0.0253)

(0.0492)

Urban

− 0.0403^**

− 0.1437^**

0.0467^***

0.1429^***

(0.0192)

(0.0461)

(0.0118)

(0.0401)

Social security

− 0.1325^***

− 0.1146^**

0.0580^**

− 0.0691

(0.0239)

(0.0550)

(0.0199)

(0.0606)

Tertiary_gdp

− 0.0250

− 0.0079

− 0.0356

− 0.0239

(0.0576)

(0.0654)

(0.0397)

(0.0372)

Agri_gdp

− 0.0170

− 0.1109

− 0.0441

− 0.1159

(0.0530)

(0.1209)

(0.0329)

(0.0872)

Fixed_asset

0.0924^***

0.0887^***

− 0.0359^***

0.0038

(0.0202)

(0.0243)

(0.0094)

(0.0101)

_cons

30.3713^**

25.3194

29.9820^**

40.8812^**

(12.1372)

(24.1328)

(11.3477)

(16.6257)

N

521

273

521

273

Arellano-Bond AR(1) Test

− 4.43^***

− 3.68^***

− 3.22^***

− 2.55^***

Arellano-Bond AR(2) Test

− 0.48

− 0.66

0.86

1.28

Hansen overidentification test

28.44

26.78

30.32

28.02