Research Article
Research on Green Innovation Efficiency of ListedChinese Energy Companies Based on Triple Bottom Line
Table 1
Index system of green innovation efficiency measurement of listed energy companies in China.
| Index system | Index | Definition | Data resources |
| Indicators of input | Manpower input | R&D personnel | Wind database | Finance input | R&D expenditure (million) | Wind database | Material input | The fixed asset balance at the end of the year (a hundred million) | Wind database |
| Indicators of output | Economic efficiency output | Annual operating revenue (a hundred million) | Wind database | Social efficiency output | Patent quality (%) | Wind database | Annual public welfare donation (a hundred) | Wind database | Environmental efficiency output | A positive environmental governance program (1 or 0.1) | Wind database |
| Environment variables | Level of economic development | Per capita GDP | Statistical yearbook | Openness | The proportion of total import and export volume to GDP | Statistical yearbook | Government support | The ratio of government subsidies to total assets | Wind database |
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