Table 3 Comprehensived evelopment quality index system of high tech zone.

From: The characteristics and influencing factors of spatial network of city-based innovation correlation in China: from the perspective of high tech zones

Dimension

Factor

Quantitative

Meaning

Basic development

X1

Municipalities are assigned a value of 3, provincial capitals and sub-provincial cities are assigned a value of 2 and others are assigned a value of 1

Urban administrative level

X2

(Endowment insurance + medical insurance + unemployment insurance) Participation rate/3 (%)

Urban social security

X3

Science and technology expenditure/local general budget expenditure of prefecture (%)

The importance of urban science and technology

X4

Centralized treatment rate of sewage treatment plant is (%)

Urban ecological protection, environmental protection and green development

X5

Investment of the industrial pollution control project of the local province was completed this year (1000 RMB)

Emphasis on urban industrial pollution control

Economic scale

X6

GDP of HTZS/approved area (hm2)

Unit land use intensity and economic benefits of HTZs

X7

Net profit/operating income of enterprises in the HTZ (%)

Enterprise profitability and development performance of HTZs

X8

Number of enterprises integrated in the HTZ/number of industrial and commercial registered enterprises is (%)

Enterprise management and cultivation in HTZs

X9

The industrial GDP/GDP of the urban area is (%)

The contribution of HTZs to urban economy and industry

Technological innovation

X10

The Number of high-tech enterprises/the number of enterprises registered in the information database is (%)

Development status of high-tech enterprises

X11

Full-time equivalent of R&D personnel of HTZ enterprises/ending number of employees (%)

Manpower input for independent innovation in HTZs

X12

Internal expenditure of R & D funds in HTZ/enterprise operating income (%)

Investment in R&D and technological innovation in HTZs

X13

Number of students in ordinary undergraduate and junior college in the city (people)

Comprehensive quality of the employees in HTZs

External opening scale

X14

Total export amount of enterprises in the HTZ (one thousand RMB)

The degree of opening up the outside world of HTZs

X15

Export volume/operating income of enterprises in the HTZs (%)

The ability of HTZs to export to international competition

X16

(Number of foreign resident + returned students studying abroad)/The final number of employees: (%)

The internationalization degree of the employees in the HTZ