Research Article
Research on Sustainable Development of Resource-Based Cities Based on the DEA Approach: A Case Study of Jiaozuo, China
| | | Initial | Extraction |
| | Industrial added value (a hundred million yuan) | 1.000 | 0.985 | | Gross regional product (a hundred million yuan) | 1.000 | 0.996 | | The proportion of secondary industry (%) | 1.000 | 0.962 | | Sustainable income of urban residents (yuan) | 1.000 | 0.993 | | Rural net income per capita (yuan) | 1.000 | 0.991 | | The population growth rate () | 1.000 | 0.810 | | Public facilities land (hectare) | 1.000 | 0.960 | | Urban unemployment rate (%) | 1.000 | 0.600 | | Education investment (ten thousand yuan) | 1.000 | 0.907 | | The number of buses owned by urban people per ten thousand (vehicles) | 1.000 | 0.611 | | Total industrial wastewater discharge (ten thousand tons) | 1.000 | 0.515 | | Industrial SO2 emissions (ton) | 1.000 | 0.810 | | Industrial dust emissions (tons) | 1.000 | 0.876 |
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Extraction method: principal component analysis.
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