[Retracted] Innovation and Entrepreneurship Coupling Based on Simultaneous Equation Model and Its Energy Economic Effect Measurement

Table 2

The distribution of types of collaboration and the connection between digital marketing and sustainable development.

Coordination value	1 ≤ D ≤ 0.2	0.4 < D ≤ 0.6	0.4 < D ≤ 0.7	0.9 < D ≤ 1.1
Basic type	Low-coupling coordination	Moderately coupled coordination	Highly coupled coordination	Extremely coupled coordination