Assessing Swaziland’s Fiscal Sustainability and Policy Options

Table 4

OLS estimation results (Dependent variable, primary surplus).

Coefficients and model test indicators
Independent variable	Model 1	Model 2	Model 3	Model 4
Constant	—	−0.031	−0.026	—
	—	—	0.159	—
	−0.168	0.135	—	0.047
	0.203	—	—
	0.055	—	0.181
	—		−0.170
	1.011	0.728	1.113	1.087
	−0.660		−0.699	−0.719
-squared	0.695	0.529	0.671	0.656
Adjusted -squared	0.623	0.455	0.568	0.620
S.E.	0.026	0.031	0.028	0.026
Durbin-Watson Statistic	2.357	1.220	2.209	2.236
Mean of dependent variable	0.019	0.200	0.019	0.019

Note: 10% significance level, 1% significance level.