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. 2020 Sep 11;68:163–174. doi: 10.1016/j.eap.2020.09.003

Table 4.

Robustness checks using GMM and truncated samples.

Variables GMM
Excluding GFC affected countries
OLS
(1) (2) (3) (4) (5) (6)
GDPG 0.0005* 0.0004* 0.0003*** 0.0008** 0.0001 0.0003*
(0.0001) (0.0001) (0.0002) (0.0004) (0.0001) (0.0001)

Gini −0.0004* <0.0001 −0.0009*** −0.0009* −0.0010* −0.0008**
(0.0001) (<0.0001) (0.0005) (0.0003) (0.0003) (0.0003)

PE 0.0005 0.0001 0.0012 0.0040* 0.0011** 0.0008
(0.0005) (0.0001) (0.0011) (0.0009) (0.0006) (0.0006)

MIMLI 0.0016** 0.0001*** 0.0091* 0.0224* 0.0036* 0.0086*
(0.0006) (0.0003) (0.0014) (0.0017) (0.0013) (0.0006)

Forest 0.0011 <0.0001 0.0031 −0.0003* −0.0001 0.0034**
(0.0007) (<0.0001) (0.0029) (0.0001) (0.0002) (0.0012)

OverGovtIdeol 0.0001 −0.0001 0.0011** −0.0018** 0.0008* 0.0008*
(0.0002) (0.0001) (0.0004) (0.0009) (0.0002) (0.0003)

Globalisation −0.0002 <0.0001 0.0018** 0.0016* 0.0015* 0.0017*
(0.0002) (<0.0001) (0.0009) (0.0004) (0.0003) (0.0004)

Lagged HDI 0.8046* 0.9808*
(0.0375) (0.0061)

Constant 0.0224* 0.0220* 0.5603 0.5814 0.7296* 0.6792*
(0.0059) (0.0057*) (0.1393) (0.0370) (0.0299) (0.0358)

Time FE Yes Yes Yes Yes Yes No

Country FE No No No No No Yes

R-squared 0.7188 0.5746 0.9860

AR(1) 0.0010 0.0010

AR(2) 0.8900 0.5370

Sargan OIR 0.1240 0.1260

Hansen OIR 1.0000 1.0000

DHT for instruments

(a) Instruments in levels H excluding group 1.0000

Dif (null, H 14 exogenous) 1.0000

(b) IV (years, eq [diff]) H excluding group 1.0000 1.0000

Dif(null, H 14 exogenous) 0.6470 0.9460

Fisher 6101.62* 9319.41*

Wald chi-squared 1054.67* 21663.21*

Number of instruments 28 28

No. of groups 35 35 27 27 35 35

Number of observations 350 350 270 270 350 350

Note: Figures in the parentheses represent standard error. *, ** and *** denote statistically significant at 1%, 5% and 10%, respectively. DHT: difference-in-Hansen test for exogeneity of instruments’ subsets; Dif: difference; OIR: over-identifying restrictions test.