Research Article

Economic and Environmental Effects of Public Transport Subsidy Policies: a Spatial CGE Model of Beijing

Table 1

Calibrated values of the parameters in SCGE.

City

Incision angle=5°
Zone width=4 km

Firms

Production functionB=1.05=0.65=0.35

Consumers

PopulationN=100 000
LaborD=250 dE=4000 h/a=2000 h/a
Utility functionα=0.40β=0.17γ=0.43η=0.6
Dispersion parameter=0.8

Travel

Travel modes (tm)
Walking4 km/h6.200-0
Private car-7.410.36.20
Public transport15 km/h7.160.2-1.5
Fixed utility function=-0.1=-0.3

Transportation

Zone 1(9)Zone 2 (8)Zone 3 (7)Zone 4 (6)Zone 5
Road–land proportion0.050.0750.090.120.40
Travel time of private car 1/441/421/401/381/36
BPR function parametersb=6c=4
Gasoline consumptione=1.26
CO2 emissionsASCE=11.9 g/pkm