Research on Sustainable Development of Resource-Based Cities Based on the DEA Approach: A Case Study of Jiaozuo, China

Table 8

Component matrix.

	Component
	1	2	3
Industrial added value (a hundred million yuan)	0.976	−0.175	0.031
Gross regional product (a hundred million yuan)	0.985	−0.157	0.032
The proportion of secondary industry (%)	0.945	0.236	−0.117
Sustainable income of urban residents (yuan)	0.975	−0.199	0.050
Rural net income per capita (yuan)	0.956	−0.268	0.070
The population growth rate ()	−0.250	−0.044	0.864
Public facilities land (hectare)	0.932	0.253	−0.168
Urban unemployment rate (%)	0.447	0.493	0.395
Education investment (ten thousand yuan)	0.865	−0.398	0.013
The number of buses owned by urban people per ten thousand (vehicles)	0.557	0.513	0.193
Total industrial wastewater discharge (ten thousand tons)	0.110	0.663	0.250
Industrial SO2 emissions (ton)	0.289	0.762	−0.382
Industrial dust emissions (tons)	−0.916	0.163	−0.102

Extraction method: principal component analysis
3 components extracted.