Fig. 1: Description of experimental treatments.
From: Economic experiments support Ostrom’s polycentric approach to mitigating climate change
T1: 9 players of a group invest individually. T2: groups are split into subgroups of 3 players each, offered an incentive to save energy. T3: each subgroup is offered to impose costly sanctions on another subgroup. T4: groups are split into subgroups of 3 players each, no incentive is offered, no opportunity to impose costly sanctions is offered.
