Table 2 Definition specification.

From: Study on the influence of new quality productivity on carbon emissions of the manufacturing industry

Type

Name

Notation

Description of definitions

Explained variables

Manufacturing carbon

emissions

MCE

Calculation of Carbon

Emissions by Manufacturing

Industry Using the LMDI

Model by Sector

Explanatory variables

New quality productivity

New

Construct a comprehensive

evaluation index system for

new quality productivity from

the three dimensions of

scientific and technological

productivity, green productivity

and digital productivity,

respectively, and use principal

component analysis to

measure the

Intermediary variable

Labor productivity in

manufacturing

PMW

The ratio of gross

manufacturing product to the

average annual number of

persons employed

Industrial agglomeration

LQ

Calculated using locational

entropy

Control variable

Level of foreign investment

For

Expressed in logarithmic terms

by the actual amount of foreign

investment in China at the end

of the year, in which the foreign

exchange rate is converted

according to the exchange

rate of the RMB against the US

dollar in that year

Population density

Den

Measured using the

percentage of urban population

in each province

Income gap between urban

and rural residents

Ingap

Tyrell’s index

Government intervention

capacity

Govn

Fiscal expenditure as a

share of GDP

Individual effect

τi

Provincial Individual Fixed

Effects

Year effect

μt

Year fixed effects