Table 1 Index system of economic quality development.

From: China’s carbon trading pilot policy, economic stability, and high-quality economic development

First-level index

Second-level index

Specific Measurements

Data Processing Method

Properties

Weight

Innovation

R&D Investment Intensity

The intensity of investment in research and development (R&D)

R&D expenses (internal) as a percentage of Gross Domestic Product (GDP) (%)

+

6. 3525

R&D Level

The number of patents granted per capita

Number of patents granted per year-end resident population

+

16. 0072

Coordination

Industry Cluster Coordination

Tertiary-Secondary Industry Coordination Ratio

Tertiary industry output value / Secondary industry output value

+

3. 0957

Income Gap

Urban-Rural Income Disparity Ratio

Per capita disposable income of urban residents / per capita disposable income of rural residents

-

1. 8838

Green

Greening Construction Level

Green Coverage Ratio

Percentage of green area coverage within the built-up area (%)

+

1. 8923

Regional Pollution Control Intensity

Sulfur Dioxide Emission Intensity

Ratio of sulfur dioxide emissions to economic activity (tons per billion yuan of GDP)

-

1. 3729

Opening

Trade Dependency

Trade Dependency Ratio

Total import & export value/GDP (%)

+

11. 6156

Foreign business introduction

Foreign Investment Ratio

Total investment in foreign-invested enterprises/GDP (%)

+

27. 8749

Sharing

Income Level

On-the-Job Salary Index

Average salary of employees in employment

+

6. 5613

Health & Wellness

Medical Bed Availability Ratio

Number of medical beds per capita

+

3. 8167

Education Input

Education Spending Intensity

Financial education expenditure/general public finance budget expenditure (%)

+

19. 5272