Table 6.

Robustness assessment: MG, PMG, CS-ARDL.

	MG			PMG			CS-ARDL
	Coeff.	t-stat	std. error	Coeff.	t-stat	std. error	Coeff.	t-stat	std. error
PS	0.0301**	0.0113	2.6637	0.0697***	0.0026	26.8076	0.1772***	0.0063	28.1269
EDU	0.1157***	0.0104	11.125	0.0675***	0.0054	12.501	0.0275**	0.0105	2.619
ICT	0.0255***	0.0073	3.4931	0.0436***	0.0055	7.9272	0.0922***	0.0098	9.4081
FDI	0.0887***	0.0094	9.4361	0.1004***	0.0039	25.7435	0.1736***	0.0112	17.36
FD	0.0878***	0.0037	23.7297	0.0818***	0.0073	11.2054	0.0851***	0.0081	10.5061
TR	0.058***	0.0041	14.1463	0.025***	0.0068	3.6764	0.1136***	0.0048	23.6666

Note: the superscript denote the level of significant at 1 % SL.