Fig 1.
Contributions by treatment (percent).
Table 1.
Summary statistic of experimental design.
Table 2.
Maximum Likelihood (ML) estimates in ordered probit models for the emotional intensity (happiness, joy, surprise, anger, annoyance, envy, sadness) by treatment group.
Table 3.
Average discrete probability effect of positive emotions on contribution behavior.
Fig 2.
90% confidence intervals for the average discrete probability effect of positive emotions.
Table 4.
Average discrete probability effects by treatment group for contribution behavior.
Fig 3.
90% confidence intervals for the average discrete probability effects by treatment group for contribution behavior.
Table 5.
Average discrete probability effects by treatment group at different values of “Environmental concern high” for contribution behavior.