Table 1.

Digital economy evaluation index system.

Secondary indicators	Tertiary indicators	Indicator explanation
Internet penetration rate	Internet users per 100 people	Reflects the internet penetration in each city
Number of internet-related employees	Proportion of employees in computer services and software	Reflects the degree of development of the digital economy
Internet-related output	Number of mobile Internet users	Reflects the degree of internet demand in each city
Digital financial inclusion development	China digital financial inclusion index	Reflects the degree of development of digital finance
Number of mobile internet users	Number of mobile phones per 100 people	Reflects the popularity of telecommunications