Slack variable of agricultural product logistics employees

Slack variable of fixed investment in agricultural product logistics

Traffic route mileage

Relaxation variable

Constant term

−1640.98^*

9.11

32835.33^***

Economic development level

−0.14^***

0.00003

0.15

Scientific and technological development level

36826.13^***

−193.49

−1763200.00^***

Government support

15445.52^***

−36.75

−134037.60^***

δ²

162990070.00^***

9729.68^***

8074106700.00^***

γ

0.84^***

0.96^***

0.94^***

LR

261.64^***

477.44^***

466.44^***