Efficiency Evaluation of Bus Transport Operations Given Exogenous Environmental Factors

Table 6

Tobit regression results.

Variable	Coefficient	Std. Err	t-Statistic
Cons	1.037939	0.120017	8.648301	0.000000
Population density	−0.027802	0.078398	−0.354630	0.726400
GDP per capita	−0.000003	0.000001	−2.504794	0.020600
Number of taxis	0.000008	0.000004	2.226554	0.037100
Passenger volume of rail transport	−0.000002	0.000001	−2.943633	0.007800
Car ownership	−0.000678	0.000438	−1.546801	0.136800

represent the significance level at 10%, 5%, and 1%, respectively.