Table 2 Evaluation indicator system for DEC.

From: How does the digital economy impact green manufacturing: A new perspective from the construction of a unified large market in China

Dimension

Category

Indicator

Digital infrastructure

Information infrastructure

Mobile phone base station density (per km2)

Long-distance optical cable line length (km)

Mobile telephone switch capacity (10,000 households)

Internet infrastructure

IPv4 address count (10,000)

Internet broadband port density (10,000 per km2)

Internet domain count (10,000)

Digital industrialization

Information transmission

Mobile phone user ratio (%)

Internet broadband user ratio (%)

Proportion of total telecommunication services (%)

Technology application

Proportion of software business income (%)

Digital TV user ratio (%)

Proportion of technical contract turnover (%)

Employee proportion in information transmission, software, and information technology services (%)

Digitalization of industry

Enterprise applications

The proportion of enterprises engaged in e-commerce transactions (%)

Number of websites per 100 enterprises (pcs)

Digital living

Level of online mobile payments (/)

Express service volume (10,000 pcs)

E-commerce sales revenue (billion yuan)

Digital Inclusive Finance Index (/)

Digital governance

Digital government

Number of government websites (pcs)

Digital enterprises

Number of corporate entities in the information transmission, computer services, and software industries (pcs)