Table 1.
Digital economy development level index system
| Total index | Primary indicator | Secondary indicator | Tertiary indicator |
|---|---|---|---|
| Digital Economy Index | Digital infrastructure (A1) | Hardware infrastructure (B1) | Internet Broadband Access Port Density (C1) |
| Long-distance fiber optic cable line density (C2) | |||
| Local telephone exchange capacity (C3) | |||
| Software infrastructure (B2) | Number of websites (C4) | ||
| Number of web pages (C5) | |||
| Number of Ipv4 addresses (C6) | |||
| Number of domain names (C7) | |||
| Digital industry (A2) | Digital industrialization (B3) | Telecommunications Service Volume (C8) | |
| Mobile Phone Production (C9) | |||
| Production of Integrated Circuits (C10) | |||
| Microcomputer Equipment Production(C11) | |||
| Software business revenue (C12) | |||
| Revenue from Information Technology Services (C13) | |||
| Information transmission, computer services and software industry employees (C14) | |||
| Industry digitization (B4) | Express delivery volume (C15) | ||
| E-commerce transaction volume (C16) | |||
| Number of websites per 100 enterprises (C17) | |||
| Percentage of enterprises with e-commerce transaction activities (C18) | |||
| Digital finance (A3) | Breadth of coverage (B5) | Refer to Guo et al. (2020) | |
| Depth of application (B6) | Refer to Guo et al. (2020) | ||
| Digitization level (B7) | Refer to Guo et al. (2020) |