CRITIC-Based Vertical Collusion Control Quality Prediction Based on the Coupling and Coordination Degrees of Socioenvironmental and Public-Investment Bidding Systems in China

Table 1

Criteria for classification of coupling coordination levels.

Coordination degree (D) value interval	Coordination level	Coordination degree description
(0.0–0.4)	1	Little-to-no coordination
[0.4–0.6)	2	Some coordination
[0.6–0.8)	3	Moderate coordination
[0.8–1.0)	4	Highly coordinated