Fig 1.
Theoretical analysis framework.
Table 1.
Descriptive statistical analysis of variables.
Table 2.
Unit root test.
Table 3.
Sample inspection results of threshold effect.
Table 4.
Regression estimation results of panel threshold model.
Table 5.
Results of the self-sampling test on threshold effect of core explanatory variables lagging behind one period.
Table 6.
Estimation results of panel threshold model parameters with core explanatory variables lagging behind one period.
Table 7.
Regression results with one control variable removed one by one.
Table 8.
The core explanatory variable is the threshold effect of the number of poor people.
Table 9.
Regression results of poverty level expressed by poverty population.