Variable

Name

Measurement and assignment

Mean

Min

Max

Openness to the outside world

O p e n i t

Total import and export volume is higher than the total GDP of the provinces and cities

0.317

0.032

1.698

Human capital

H u m i t

The number of students in the school of ordinary institutions of higher learning than the resident population/per 100,000

1521.8

277.58

3489.75

Regional protectionism

G o v i t

Local government expenditure share of GDP per year

0.402

0.0073

2.67

Infrastructure level

T r a n s p i t

Highway mileage is higher than the provincial area

0.700

0.032

2.438

Domestic market potential

M p i t

Domestic market potential indicator

352.41

10.75

2117.1

Distance from the port

D i s i t

Distance from the nearest port of the provincial capital city/km

616.91

14.97

2482