| Provinces Invited for A Chat | Changes of Pollution Discharge Fees One Quarter before or after ((t + 1)-(t ? 1))/(t − 1) | Changes of Pollution Discharge Fees Two Quarters before or after ((t + 2)-(t ? 2))/(t − 2) | Matching Provinces | Changes of Pollution Discharge Fees One Quarter before or after ((t + 1)-(t ? 1))/(t − 1) | Changes of Pollution Discharge Fees Two Quarters before or after ((t + 2)-(t ? 2))/(t − 2) |
| Anhui Province | 37.37% | 22.01% | Zhejiang Province | −10.04% | −12.83% |
| Guizhou Province | 34.95% | 0.34% | Xinjiang Uygur Autonomous Region | −5.11% | −23.67% |
| Hebei Province | 60.15% | 43.22% | Shanghai | 72.12% | 74.19% |
| Henan Province | −14.70% | −20.67% | Inner Mongolia Autonomous Region | −12.80% | −24.58% |
| Heilongjiang Province | 19.88% | 9.47% | Ningxia Hui Autonomous Region | 21.23% | 7.85% |
| Hunan Province | −1.16% | −8.06% | Shaanxi Province | 2.08% | −2.13% |
| Jilin Province | 41.50% | 8.03% | Chongqing | 8.14% | 7.20% |
| Jiangsu Province | −3.40% | 1.48% | Guangdong Province | −5.87% | −0.69% |
| Liaoning Province | 6.12% | −6.32% | Jiangxi Province | −12.53% | −7.02% |
| Shandong Province | 9.37% | −9.60% | Hubei Province | 26.35% | 47.12% |
| Shanxi Province | 59.51% | 18.61% | Tianjin | −25.28% | −16.96% |
| Sichuan Province | 50.06% | 43.30% | Fujian Province | −1.79% | −5.23% |
| Yunnan Province | 342.99% | 55.61% | Hainan Province | −38.03% | −30.48% |