Urban-Rural Logistics Coupling Coordinated Development and Urban-Rural Integrated Development: Measurement, Influencing Factors, and Countermeasures

Table 11

The grey correlation coefficient between the rural logistics factors and urban-rural integration degree.

Year	Economic environment	Logistics infrastructure	Logistics informatization	Logistics demand	Logistics human resources
2011	0.839	0.851	0.839	0.839	0.868
2012	0.821	0.931	0.839	0.822	0.928
2013	0.695	0.749	0.697	0.700	1.000
2014	0.604	0.616	0.597	0.593	0.764
2015	0.597	0.594	0.588	0.587	0.607
2016	0.557	0.535	0.543	0.551	0.526
2017	0.508	0.498	0.492	0.505	0.468
2018	0.492	0.483	0.488	0.479	0.437
2019	0.489	0.483	0.478	0.476	0.422
2020	0.419	0.418	0.417	0.409	0.368