Table 2 Input and output indicators.

From: The impact of pilot policy for innovative industrial clusters on green innovation efficiency

Attribute

Primary indicator

Secondary indicator

Unit

Input factors

Capital investment

Government expenditure on education, government expenditure on scientific activities, total environmental governance expenditure

10,000 yuan

Human capital

Total number of employees in R&D and technical services, and in water, environmental, and public facilities management sectors at the end of the year

10,000 people

Resource input

Total supply of liquefied petroleum gas

10,000 tons

Total water supply

10,000 tons

Total electricity consumption of the whole society

10,000 kw h

Desirable output

Economic output

City GDP

10,000 yuan

Ecological benefit

Urban green coverage area

hm2

Technological output

Number of green patent applications

items

Undesirable output

Urban pollution

Industrial wastewater discharge

10,000 tons

Industrial sulfur dioxide emissions

tons

Industrial smoke (dust) emissions

tons