Research on World Food Production Efficiency and Environmental Sustainability Based on Entropy-DEA Model

Table 6

Regression results of influencing factors.

Variable		C	X1	X2	X3	X4	X5
OSL	Coefficient	−2.8272	0.6859	−0.0485	−0.1593	−0.2789	0.1784
	t-statistic	−2.2029	3.2117	−0.1692	−0.5691	−1.0489	0.6464
Tobit	Coefficient	0.3786	0.001	−0.002	−0.0044	−0.0003	0.0002
	z-statistic	2.408	2.6567	−0.4355	−0.486	−0.7838	0.5998