Economicscalendar_todayLast updated: Apr 2026
What is Tragedy of the Commons?
/ˈtrædʒɪdi əv ðə ˈkɒmənz/
The phenomenon where individuals, acting in their own rational self-interest, deplete a shared resource — even when it is clear that doing so is against the long-term interest of everyone, including themselves.
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Everyday Example
A shared fishing ground: every fisherman benefits from catching as many fish as possible. But if everyone does, the fish population collapses and everyone loses. Individual rationality creates collective catastrophe.
publicReal-World Application
“Climate change is the largest tragedy of the commons in history. Every country benefits from emitting carbon cheaply; every country suffers from the collective result. No individual nation has sufficient incentive to bear the full cost of reducing emissions.”
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Did you know?
Garrett Hardin coined the term in his 1968 Science paper, using the example of a shared pasture. Elinor Ostrom won the 2009 Nobel Prize for showing that communities can manage commons sustainably — Hardin was too pessimistic.
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Key Insight
The tragedy of the commons is not inevitable — it requires specific conditions: open access, no communication, no enforcement. When communities coordinate and set rules, shared resources can be managed indefinitely.
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