Table 1 Descriptive statistics of main variables.

From: How does inter-provincial trade promote economic growth? Empirical evidence from Chinese provinces

 

Variable name

Variable definition

Variable symbol

Mean

Std. dev

Min

Max

Dependent variable

Economic growth

Per capita GDP

\({{\mathrm{ln}}{\rm{per}}_{-}{\rm{GDP}}}\)

10.22

0.890

7.887

12.12

Independent variable

Inter-provincial trade

Total inter-provincial trade volume

\({\rm {{lntrade}}}\)

9.580

1.103

5.961

12.97

Control variable

International trade

Total import and export volume

\({{\rm{lninterna}}\_{\rm{trade}}}\)

7.469

1.789

2.582

11.32

Technical input

Acceptance of domestic invention patents

\({{\rm {lnpatents}}}\)

8.480

1.842

3.584

12.40

Investment

Total investment in fixed assets of the whole society

\({{\rm {lncap}}}\)

8.690

1.297

5.018

11.05

Human capital

Per capita years of education

\({{\rm{lnh}}\_{\rm{cap}}}\)

2.148

0.130

1.693

2.548