Research Article
Efficiency Evaluation of Green Technology Innovation of China’s Industrial Enterprises Based on SBM Model and EBM Model
Table 2
Input and output indicators in achievement transformation stage.
| Category | Indicator |
| Inputs | The number of valid invention patents | The number of patent applications | Expenditure on introduction, purchase, assimilation, and upgrading of technology |
| Desirable outputs | Sales revenue of new products | Gross industrial production |
| Undesirable outputs | Wastewater discharge | Smoke and dust emission | Industrial solid waste production |
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