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

Table 5

SFA regression test.

(1) Variables	(2) Expenditure-income ratio	(3) T Test	(4) Number of families/labor force	(5) T Test	(6) Loan amount	(7) T Test
Constant term		−0.909E − 01		−0.307E + 01		−0.362E − 01
Industry prosperity index		0.657E − 02		0.628E + 01		0.147E − 01
Engel coefficient		0.552E − 01		−0.321E + 01		−0.192E − 01
Σ2		0.00E + 01		0.896E − 01		0.00E + 00
γ		0.95E + 00		0.946E + 03		0.95E − 01
LR		—		—		—

Note. means passing the significance test of 0.01.