Research Article

Accounting for BEV Users’ Risk Attitudes and Charging Inertia in En Route Charging Choice Behavior

Table 4

Estimated results for the en route charging choice model (decision 1).

VariablesICLV (M2)ICLV with interactions (M3)MNL (M1)
Coefficientt-testCoefficientt-testCoefficientt-test

Choice model
ASC, not charge−3.41−8.88−3.29−8.62−2.83−6.36
Average AR at destination (in kilometres)0.21718.90.2218.80.21919.1
Initial AR at origin (in kilometres)0.01692.340.01872.550.01692.35
AR uncertainty at destination (in kilometres)−0.0484−7.78−0.0673−8.25−0.0487−7.83
Risk attitudes−0.286−2.95
Charging inertia−0.168−1.8
Risk attitudes  uncertainty in AR−0.0218−3.64
Charging inertia  uncertainty in AR−0.0129−2.4
Age (more than 30 years old = 1, otherwise = 0)
Battery range (more than 300 km = 1, otherwise = 0)
Charging frequency (usually charge = 1, otherwise = 0)−0.936−4.53
Driving experience (more than 18 months = 1, otherwise = 0)
Driving frequency (everyday = 1, otherwise = 0)
DVKT (more than 50 km = 1, otherwise = 0)
Education (master or above = 1, otherwise = 0)
Gender (female = 1, otherwise = 0)
Income (more than 10,000 RMB, otherwise = 0)

Model fitness
#Parameters424214
Final log-likelihood−590.8914−580.7882−751.0192
Adjusted rho-square0.4190.4190.389
No. of observations180818081808

Significance at 1% level; significance at 5% level; significance at 10% level. DVKT, daily vehicle kilometres traveled; —, the corresponding variable is not significant.