Table 5 Descriptive Statistics of Variables.

From: Spatial spillovers in producer services–manufacturing coordination: evidence from Chinese provinces

Variable names

Variable symbols

Sample size

Mean

Standard deviation

Minimum value

Maximum value

Coupling coordination degree

CCD

310

0.4244032

0.1160923

0.227223

0.765379

General public service expenditure

Ln GPSE

310

6.038104

0.6486593

4.121943

7.544084

Regional residents’ income

Ln RHI

310

10.12874

0.3956431

9.184694

11.28489

Industrial structure

IS

310

1.341525

0.7226276

0.572236

5.29682

Informatization level

IL

310

0.0656939

0.1423834

0.0152941

2.512909

Labor force level

LFL

310

7.480117

0.8997841

4.967031

8.839856