Table 5.

Linear regression result: DEA overestimation bias.

		Non-Standardized Coefficients		Standardized Coefficients	t	P >|t|	$R_{ajust}^2$
		B	Std. Err.	Beta
1	constant	0.236	0.104		2.270	0.031	0.443
	GC	0.010	0.003	0.482	3.360	0.003
	EF	−0.006	0.002	−0.500	−3.481	0.002
2	constant	−0.254	0.109		−2.330	0.029	0.476
	GC	0.012	0.003	0.586	3.932	0.001
	GS	−0.001	0.000	−0.523	−3.532	0.002
	RL	−0.001	0.000	−0.308	−2.145	0.042

GC: Gini coefficient of equivalized disposable income; EF: economic freedom; RL: rule of law; GS: government size.