Research Article
Digital Transformation and ESG Performance: A Quasinatural Experiment Based on China’s Environmental Protection Law
| | Code | Industry | Number of firms | Percent (%) |
| 1 | B08, B09 | Mining | 264 | 4.31% | 2 | C17 | Textiles | 389 | 6.34% | 3 | C19 | Leather, fur, feathers, and their products | 76 | 1.24% | 4 | C22 | Papermaking and paper products | 253 | 4.13% | 5 | C25, B07 | Oil and gas processing, coking, and nuclear fuel processing | 207 | 3.38% | 6 | C26 | Chemical materials and products | 1862 | 30.37% | 7 | C28 | Chemical fibers | 235 | 3.83% | 8 | C29 | Rubber and plastic products | 545 | 8.89% | 9 | C30 | Nonmetallic mineral products | 750 | 12.23% | 10 | C31 | Metallurgy of black metals | 305 | 4.97% | 11 | C32 | Metallurgy of nonferrous metals | 572 | 9.33% | 12 | D44 | Electric power and hot power production | 673 | 10.98% | Total | 6131 | 100% |
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