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