- Fig. 4. The decision each player faced. A player starts with a personal pot of money. If they make a “certain contribution,” that money is given directly to the group’s threshold. If they make a “risky contribution,” there is a 50% chance the money will be doubled before going to the group’s threshold and a 50% chance the money will disappear and nothing will go to the group’s threshold. If they “defect,” then they keep their personal money, and nothing goes to the group threshold.
Illustration of contribution choices (1)
From Climate Games: Experiments on How People Prevent Disaster by Talbot M. Andrews, Andrew W. Delton, and Reuben Kline| Creator(s) | |
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