Table 2 ADF test results of urban economic indicators and urban waste control indicators.
Variable | Inspection form (C,T,L) | ADF test value | Critical value (1%) | Critical value (5%) | Critical value (10%) | Prob.* | Conclusion |
|---|---|---|---|---|---|---|---|
Urban | (C,T,0) | − 1.9052 | − 4.4206 | − 3.2598 | − 2.7711 | 0.3157 | Unstable |
Pollute | (C,T,0) | − 2.2130 | − 4.4206 | − 3.2598 | − 2.7711 | 0.2141 | Unstable |
Control | (C,T,0) | − 5.5010 | − 4.4206 | − 3.2598 | − 2.7711 | 0.0026 | Stable |
ΔUrban | (C,T,0) | − 5.0806 | − 4.5826 | − 3.3210 | − 2.8014 | 0.0131 | Stable |
ΔPollute | (0,0,0) | − 2.7956 | − 2.8861 | − 1.9959 | − 1.5991 | 0.0117 | Stable |
ΔControl | (0,0,0) | − 3.3466 | − 2.8861 | − 1.9959 | − 1.5991 | 0.0045 | Stable |
