Table 1 Selection of indicators.

From: Integration and innovation of China’s manufacturing and logistics industries and carbon emissions

Subsystems

Primary indicators

Secondary indicators

Unit

Manufacturing Industry

M1: Asset investment

M11 Manufacturing employment numbers

ten thousand people

M12 Fixed assets investment

ten thousand RMB

M13 Number of legal entities

person

M2: Process optimization

M21 Manufacturing output value/secondary industry output value

%

M22 Product qualification rate

%

M3: Technological upgrading

M31 Number of R&D personnel

person/year

M32 R&D funding

ten thousand RMB

M4: Organizational collaboration

M41 Capital productivity in manufacturing industry

%

M42 Manufacturing labor productivity

%

Logistics Industry

L1: Asset investment

L11 Employment in logistics industry

ten thousand people

L12 Fixed assets investment

ten thousand RMB

L13 Number of legal entities

individual

L2: Process optimization

L21 Logistics industry output value/tertiary industry output value

%

L22 Transportation structure

/

L3: Technological upgrading

L31 Number of R&D personnel

person/year

L32 R&D funding

ten thousand RMB

L4: Organizational collaboration

L41 Logistics Capital Productivity

%

L42 Logistics labor productivity

%