Type of variables

Name of variables

data source

Description of specific indicators

Representative symbols

Explained variables

Provincial gross domestic product

National Bureau of Statistics

Per capita actual GDP

PGDP

Core explanatory variables

Digital finance

Institute of Digital finance Peking University

Digital inclusive financial index

DFI

Intermediary variables

New urbanization

National Bureau of Statistics, Wind

Entropy method

URB

Control variables

Industrial structure

National Bureau of Statistics

Added value of secondary and tertiary industries/GDP

INS

Informatization level

National Bureau of Statistics

Total post and telecommunications business/GDP

INL

Research and development investment intensity

National Bureau of Statistics

R & D expenditure/financial expenditure

RDI

Dependence on foreign trade

National Bureau of Statistics

Foreign trade/GDP

DFT

Road network density

National Bureau of Statistics

Total mileage of highway/total area of this area

RND