Variable name

Variable definition

Symbol

Unit

Explained variable

SBM efficiency

Data envelopment method

SBM

-

Explanatory variable

Green Finance Composite Index

Entropy weight method

Green

-

Control variable

Level of opening up

Total import and export trade/GDP

C1

-

Proportion of talents in higher education

Number of college students/ Number of students enrolled

C2

-

Per capita GDP

Real GDP per capita, logarithm

C3

-

Investment in fixed assets

The actual value of investment in fixed assets, logarithm

C4

-