Variable name and unit | Variable symbol | Variable explanation |
Green product innovation (yuan/ton of standard coal) | GPTI | Ratio of new product sales to energy consumption |
Green process innovation (100 million yuan) | GPSI | Sum of internal expenditure for R&D and investment for technological transformation |
Environmental regulations (%) | ER | Pollution control cost as a percentage of total cost |
Total profit (100 million yuan) | Tp | Total profit of various manufacturing industries |
Investment in innovative human resources (%) | IMI | Proportion of scientific and technological personnel of industrial enterprises above a designated size to all employees |