Table 1 The division of coupling coordination level.

From: Spatiotemporal coupling analysis between green total factor productivity and urban e-commerce development in China’s eight urban clusters

Coupling coordination level

Value

Extreme imbalance

[0.0,0.1)

Severe imbalance

[0.1,0.2)

Moderate imbalance

[0.2,0.3)

Mild dysregulation

[0.3,0.4)

Near dysfunction

[0.4,0.5)

Barely coordinate

[0.5,0.6)

Primary coordination

[0.6,0.7)

Intermediate coordination

[0.7,0.8)

Good coordination

[0.8,0.9)

High quality coordination

[0.9,1.0)