Variable Description

Mean

Std. dev.

Min

Max

Highway freight volumes (in ten thousands)

6343.2

6992.5

9.0

95,009.0

Railway freight volumes (in ten thousands)

1166.9

1950.3

4.9

30,009.0

Paved roads (in km²)

1204.6

1756.3

6.0

21,490.0

Highway passenger volume (in ten thousands)

7674.6

11,701.6

82.0

179,369.0

Fixed asset investment (in millions of 2010$USD)

8.63

13.2

0.08

150.1

Urbanization rate

0.54

0.52

0.08

0.90

Public transportation unit per ten thousand people

60.4

45.5

19.3

525.6

Industrial sector’s contribution to gross city product (in millions of 2010$USD)

6.8

14.4

0.06

218.7

Service sector’s contribution to gross city product (in millions of 2010$USD)

8.3

12.2

0.09

126.8

Highway congestion rate

4.24

5.95

0.27

37.12

Labor participation rate

0.71

0.02

0.68

0.74