Fig 1.
MSW treatment process before the MSW policy (before July 1st, 2019).
Note: WWTP means “Waste water treatment plants”.
Fig 2.
MSW treatment process after the MSW policy (After July 1st, 2019).
Fig 3.
The locations of air monitoring stations (stars) and domestic waste incineration plants (dots).
Note: Base map and data from OpenStreetMap and OpenStreetMap Foundation, original copyright: https://www.openstreetmap.org/copyright. The stars mark the locations of air monitoring stations, and the dots mark the locations of domestic waste incineration plants in Shanghai.
Table 1.
Descriptive statistics of the main variables (Shanghai).
Table 2.
Descriptive statistics of the main variables (Kunshan).
Table 3.
Difference-in-differences panel data regression results (Downwind1).
Table 4.
Difference-in-differences panel data regression results (Downwind2).
Table 5.
Parallel trend test.
Table 6.
Sensitivity test (April to September 2019).
Table 7.
Placebo test (1st Feb 2019 as the placebo policy dummy).
Table 8.
Difference-in-differences panel data regression results (spillover).
Fig 4.
The number of people who searched for a waste bin, added a waste bin to their shopping cart or purchased a waste bin.