Two Shops Choose Whether to Cooperate
Written by Studio AM.
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Imagine two food shops facing the same square. Both benefit when the shared area is clean. Each can send a worker for a cleaning shift or skip its contribution. In this simplified example, each owner saves more by skipping than it gains from its own shift, whether or not the other shop helps. Yet if both contribute, the combined benefit exceeds each shop's cost.
In a one-time encounter, each owner has an incentive to skip. Both may then receive a worse outcome than if both had helped. This is a prisoner's dilemma: individually attractive choices conflict with a jointly better result.
The shops, however, meet again daily. A missed shift may make the other owner unwilling to contribute next week. Keeping a promise can build a reputation that makes future cooperation more credible. An owner must weigh the immediate saving against what may be lost in later weeks.
Repeated interaction does not guarantee trust. A shop may close, misunderstand a missed shift, or value today's saving far more than future benefits. Clear expectations and a chance to explain mistakes can help. The owners still decide independently whether to contribute, but their decisions now affect an ongoing relationship. The example shows why a promise may matter more when people expect to keep working together.
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Questions
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Question 1 of 4
What is the main idea of the passage?
The answer is C: Repeated interaction can make cooperation more sustainable because present choices affect reputation and future responses, though trust is not guaranteed.
The example contrasts one-time savings with future cooperation, reputation, and the limits of trust.
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Question 2 of 4
Why might skipping a shift become costly later?
The answer is D: The other owner may stop contributing, leaving both shops without future shared benefits.
The immediate saving may be outweighed by the loss of the other shop's future help.
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Question 3 of 4
What does “credible” mean in the third paragraph?
The answer is A: believable because past behavior supports the promise
A record of keeping promises gives the other owner evidence that future cooperation may continue.
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Question 4 of 4
What shared activity is used in the example?
The answer is B: street cleaning
The owners decide whether to send workers to help clean the shared square.
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