Table 1 Symbols and definitions of the indicators.

From: Decomposing the comprehensive efficiency of major cities into divisions on governance, ICT and sustainability: network slack-based measure model

Stage

 

Indicator

Symbol

Definition

Governance

Input

Local General Public Budget Revenue

(100 million CNY)

\({x}_{1j}^{g}\)

The income obtained by the local government’s financial participation in the distribution of social products, including various tax and non-tax revenues.

Employment (10,000 person)

\({x}_{2j}^{g}\)

Including Public Management, Social Security and Social Organization.

Link 1–2

Expenditure for Science and Technology (100 million CNY)

\({z}_{j}^{{gi}}\)

Including research and development expenditures.

Link 1–3

Local General Public Budget Expenditure (100 million CNY)

\({z}_{j}^{{gs}}\)

The local government allocates the funds raised to meet the needs of economic construction and various projects.

ICT

Input

Employment (10,000 person)

\({x}_{1j}^{i}\)

Including Information Transmission, Computer Services and Software.

Number of Subscribers of Mobile Telephones at Year-end

(10,000 households)

\({x}_{2j}^{i}\)

Refers to all kinds of telephone users who have gone through the account opening registration procedures in the business of telecommunications operation enterprises.

Number of Subscribers of Internet Services (10,000 households)

\({x}_{3j}^{i}\)

Refers to the number of Chinese residents aged 6 and above who have used the Internet in the past six months.

Link 2-3

Revenue from Telecommunication Services (100 million CNY)

\({z}_{j}^{{is}}\)

Refers to the total number of various types of telecommunication services provided by telecommunication companies in currency.

Sustainability

Input

water supply (10,000 tons)

\({x}_{1j}^{s}\)

Refers to the total amount of water, provided by various water sources to water users, including water loss.

Annual Electricity Consumption

(10,000 kwh)

\({x}_{2j}^{s}\)

Including electricity consumption for industry, agriculture, residents, and public facilities.

Total Gas Supply (10,000 tons)

\({x}_{3j}^{s}\)

Refers to the amount of gas supplied to users by gas companies throughout the year. Including sales volume and loss volume.

Output

GRP per capita (CNY)

\({y}_{1j}^{s}\)

Gross Regional Product (Current Prices).

Unemployment %

\({u}_{1j}^{s}\)

The ratio of urban registered unemployed persons to the sum of urban units employed persons, out-of-work employees, self-employed, urban private enterprises and urban registered unemployed persons.

Number of Employees Joining Urban Basic Pension Insurance

(10,000 person)

\({y}_{2j}^{s}\)

Refers to the number of employees who participated in the basic endowment insurance for urban employees in accordance with the policy at the end of the reporting period and have established payment record files in social security agencies.

Number of Employees Joining Urban Basic Medical Care System

(10,000 person)

\({y}_{3j}^{s}\)

Refers to the total number of employees who participated in basic medical insurance for employees at the end of the reporting period in accordance with relevant state regulations.

Persons Covered by Unemployment Insurance (10,000 person)

\({y}_{4j}^{s}\)

Refers to the number of employees including urban enterprises and public institutions who have participated in unemployment insurance in accordance with national laws or required by local governments at the end of the reporting period.

Annual Mean Concentration of PM10 (ug/m3)

\({u}_{2j}^{s}\)

The content of particulate matter is less than 10 microns in diameter per square.

Green Covered Area of Completed Area (Districts under City) %

\({y}_{5j}^{s}\)

Green Covered Area as % of Completed Area.

  1. Source: National Bureau of Statistics of China (NBS).