The Irrigation Game as an Example of a Public Good Game

The Irrigation Project Decision

Four farmers share an irrigation system. Each can choose to contribute $10 to a maintenance project. For every $10 contributed, the total value of crops for each of the four farmers increases by $8. A farmer's net gain is their increase in crop value minus any contribution they made. From the perspective of a single farmer, which of the following statements accurately analyzes their best financial decision?

Individual vs. Group Incentives in a Shared Project

Evaluating Outcomes in a Shared Resource Scenario

Four farmers share an irrigation system. Each farmer can choose to contribute $10 to a maintenance project. For every $10 contributed, the total value of crops for each of the four farmers increases by $8. A farmer's net payoff is their increase in crop value minus their own $10 contribution (if they made one). Match each scenario with the correct net payoff for the farmer described as 'you'.

Consider a scenario with four farmers who share an irrigation system. Each farmer can independently choose to contribute $10 to a maintenance project. For every $10 contributed, the crop value for each of the four farmers increases by $8. True or False: The outcome that generates the greatest total financial benefit for the group of farmers is the most likely outcome to occur.

Consider a scenario with four farmers who can each contribute $10 to a shared irrigation project. For each contribution made, every farmer's crop value increases by $8. Comparing a farmer who contributes with a farmer who does not, the contributing farmer's final net payoff will always be $____ less than the non-contributing farmer's payoff, regardless of how many others contribute.

A single farmer is deciding whether to contribute $10 to a shared irrigation project. Four farmers in total use the system. For each $10 contribution, every farmer's crop value increases by $8. Arrange the following steps to reflect the logical reasoning process this farmer would use to arrive at their individually optimal decision, assuming they want to maximize their own net financial gain.

Impact of a Subsidy on a Shared Project

In a shared irrigation project with four farmers, each farmer must decide whether to contribute $10. In the original scenario, each contribution increases every farmer's crop value by $8, creating a social dilemma where individual self-interest conflicts with the group's best interest. Now, imagine a new technology is introduced that makes the irrigation system more efficient. With this new technology, each $10 contribution now increases every farmer's crop value by $12. How does this change affect an individual farmer's decision-making?