Research on the Degree of Coupling between the Urban Public Infrastructure System and the Urban Economic, Social, and Environmental System: A Case Study in Beijing, China
Table 19
Influence of 12 indicators of urban economic social and environmental system on coupling coordination degree.
Indicator layer
Linear regression equation
Sort
S11: regional GDP actual value
0.950
1
S12: the proportion of the tertiary industry
0.241
ā
S13: actual utilization of foreign direct investment
0.779
5
S14: fixed assets investment ratio
0.669
8
S21: per capita household disposable income
0.818
3
S22: per capita consumption expenditure
0.785
4
S23: number of employees in three industries
0.978
2
S24: urbanization rate
0.934
7
S31: annual average of inhalable particles
0.783
9
S32: total wastewater discharge
0.860
6
S33: general industrial solid waste production
0.195
ā
S34: sulfur dioxide emissions
0.476
ā
Y represents the coupling coordination degree D, and x represents the corresponding evaluation indicator of the urban economic, social, and environmental system in the table.