Credit Rating Model of Family Farms and Ranches Based on Dynamic Dichotomous DEA

Table 3

Differences between this model and existing research.

(1) Serial number	(2) Variable type	(3) Index name	(4) Index type	(5) Sample 1	…	(840) Sample 836
1	Input variable	Expenditure-income ratio	Negative direction	0.544	...	0.805
2		Number of families/workforce	Negative direction	1.000		1.000
3		Loan amount	Negative direction	1.000		1.000
4	Output variable	Annual net income	Forward direction	0.409	...	0.303
5		Do you gain credibility?	Forward direction	0.250		0.250
6		Value of fixed assets	Forward direction	0.210		0.107
7	Environment variables	Regional GDP growth rate	Forward direction	0.460	...	0.591
8		Engel coefficient	Negative direction	0.628		0.413

Note. Engel coefficient (total food expenditure as a proportion of total personal consumption expenditure).