Fig 1.
Composition of the coupled system.
Fig 2.
Mechanism of action in the coupled system.
Table 1.
Evaluation index system for rural logistics subsystem.
Table 2.
Evaluation index system for digital economy subsystem.
Fig 3.
Research process.
Table 3.
Evaluation criteria for CD.
Table 4.
Evaluation criteria for CCD.
Table 5.
Indicator weights for the rural logistics subsystem.
Table 6.
Evaluation values for coupled systems.
Table 7.
Harris-Tzavalis unit-root test for Y and X.
Table 8.
CD and coupling taye.
Table 9.
CCD and coordination level.
Fig 4.
The CCD development trends of the echelons.