Table 4.

Estimated results of the economic growth threshold model.

Variable	Coef	Std. err.	t	P > |t|	[95% conf. interval]
ML	0.077***	0.022	3.44	0.001	0.033	0.121
CPI	−0.010***	0.004	−2.57	0.001	−0.017	−0.002
EP	−0.087***	0.0257	−3.39	0.001	−0.137	−0.036
TP	0.209***	0.039	5.36	0.000	0.132	0.285
IO	−0.175**	0.095	−1.84	0.066	−0.362	0.0115
SI	0.336***	0.064	5.25	0.000	0.210	0.462
PH(lnpgdp ≤ 9.430)	1.146***	0.116	9.87	0.000	0.918	1.374
PH(lnpgdp > 9.430)	1.167***	0.115	10.08	0.000	0.940	1.395
_cons	−1.645***	0.572	−2.87	0.004	−2.769	−0.520

^{*** and **}, respectively, indicate significance at the 1 and 5% levels.