Table 3 Calculation results of the weights of indicators of coordinated development of socio-economic-ecological environment-tourism industry in the Yellow River Basin.

From: Analysis and forecast of the coupled development level of socioeconomy ecological environment and tourism in China’s Yellow River Basin

Primary index

Secondary indicators

Tertiary indicators

Unit (of measure)

Direction of indicators

Entropy weighting

Social economy

Total economic size

Gross regional product (GDP)

Billions

 + 

0.1009

GDP per capita

The Yuan

 + 

0.0523

Regional revenues

Ten thousand yuan

 + 

0.0617

Regional financial expenditures

Ten thousand yuan

 + 

0.1348

Total retail sales of consumer goods

Billions

 + 

0.1274

Structural features of the economy

Tertiary output

Ten thousand yuan

 + 

0.1321

Share of tertiary sector

%

 + 

0.0229

Disposable income of urban residents

The Yuan

 + 

0.0315

Unemployed urban residents

Thousands of people

-

0.0048

Social economic construction

Existing built-up area

Million m2

 + 

0.1106

Urban built-up road area

Million m2

 + 

0.1145

Land area for urban construction

km2

 + 

0.1025

Ecological environment

ecological endowment

Park green space area

Hm2

 + 

0.1526

Greening coverage in built-up areas

%

 + 

0.0103

Total water resources

Billion m3

 + 

0.1866

Ecological responsiveness

Centralized treatment rate of sewage treatment plant

%

 + 

0.0082

Non-hazardous domestic waste disposal rate

%

 + 

0.0092

Comprehensive utilization rate of general industrial solid waste

%

 + 

0.0255

Eco-innovation capacity

Environmental protection as a proportion of fiscal expenditure

%

 + 

0.0064

R&D investment

Ten thousand yuan

 + 

0.3251

Number of R&D personnel

Person

 + 

0.276

Tourism industry

Size of the tourism market

Gross tourism receipts

Billions

 + 

0.0483

Total number of tourists

Thousands of people

 + 

0.0443

Gross tourism receipts as a share of GDP

%

 + 

0.0274

Tourism economic efficiency

Total passenger traffic

Thousands of people

 + 

0.0455

Per capita tourism consumption

The Yuan

 + 

0.4381

Per capita foreign exchange earnings from tourism

American dollar

 + 

0.3165

Tourism development support

Financial expenditure on culture and tourism

Ten thousand yuan

 + 

0.0261

Tertiary sector workers

Thousands of people

 + 

0.0267

Number of star-rated hotels in the region

Pcs

 + 

0.0272