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

Table 4

Calculation results of coupling coordination.

Year	C	T	D	Coupling level	Coordination level	Coordination degree
2006	0.176	0.130	0.151	1	1	Little-to-no coordination
2007	0.366	0.161	0.243	1	1	Little-to-no coordination
2008	0.505	0.172	0.295	2	1	Little-to-no coordination
2009	0.506	0.228	0.340	2	1	Little-to-no coordination
2010	0.553	0.245	0.368	2	1	Little-to-no coordination
2011	0.565	0.256	0.380	2	1	Little-to-no coordination
2012	0.584	0.286	0.409	2	2	Some coordination
2013	0.654	0.305	0.447	3	2	Some coordination
2014	0.714	0.365	0.510	3	2	Some coordination
2015	0.553	0.395	0.468	2	2	Some coordination
2016	0.732	0.446	0.571	3	2	Some coordination
2017	0.819	0.525	0.656	4	3	Moderate coordination
2018	0.766	0.517	0.629	3	3	Moderate coordination
2019	0.687	0.662	0.674	3	3	Moderate coordination
2020	0.625	0.783	0.700	3	3	Moderate coordination