Fig 1.
Illustration of door hangers.
Fig 2.
Timeline of the study.
Table 1.
Summary statistics and randomization checks.
Fig 3.
Difference-in-difference estimate of the overall treatment effect by periods.
Note: Each bar indicates the average change of LPCD within households in water use compared to the baseline period. Error bars mean +/- SEM. This applies to all the bar charts in the remaining sections.
Table 2.
The overall treatment effects.
Fig 4.
Treatment effect by conditions.
Table 3.
Estimates of Model (2).
Fig 5.
Heterogeneity in treatment effects.
Fig 6.
Nonparametric estimate of the overall treatment effect.
Table 4.
Estimates: Heterogeneity analysis.
Fig 7.
Heterogeneous treatment effects by different types of incentives.
Table 5.
Estimates for the high baseline group.