Research Article
Environmental Efficiency Evaluation Method Based on Data Envelopment Analysis and Improved Neural Network
| The first stage | The second stage | Input variable | Output variables | Input variable | Output variables |
| Environmental efficiency funds | Turnover of technology market | Number of scientific and technological personnel per 10000 people | DEA efficiency value | Environmental expenditure | Number of invention patents | Proportion of environmental expenditure in environmental efficiency expenditure | | Environmental scientists and engineers | Number of utility model and design patents | Proportion of scientists and engineers in scientific and technological personnel | | Environmental scientists and engineers | Number of papers included in SCI | Proportion of environmental scientists and engineers in environmental personnel | | | Number of papers included in EI | | | | Number of papers included in ISTP | | |
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