The comprehensive development of digital technology and its deep integration into enterprise operations have become critical factors for businesses exploring new growth opportunities and enhancing their position in the global value chain division of labor. Based on data from Chinese listed companies and the Chinese customs database, the impact of enterprise digital transformation on increasing domestic value-added export rates and its operational mechanisms was verified. Key findings of the research include: digital transformation significantly enhances the domestic value-added export rates of enterprises, primarily through optimizing human capital structure, improving productivity, and enhancing innovation capabilities. Heterogeneous analysis across different types of enterprises shows that in labor-intensive enterprises, general trade enterprises, state-owned enterprises, and regions with higher levels of digital economic development, the effect of digital transformation on increasing domestic value-added export rates is statistically significant. These research conclusions provide micro-level evidence and a decision-making basis for advancing enterprise digital transformation and promoting China's enterprises towards higher tiers of the global value chain.
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |