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The tragedy of the commons is how a shared, free resource gets quietly destroyed because each person's rational self-interest depletes it for everyone. Examples:
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5 examples of the tragedy of the commons
Overfishing Each boat takes all it can; together they collapse the fishery everyone depended on.
Traffic Each driver's 'it's just me' choice adds up to gridlock for everyone.
The shared office fridge No one cleans it because it belongs to 'everyone,' so it rots.
Antibiotic overuse Each over-prescription is rational; together they breed resistance that harms all.
Pollution When the air or water is free to use, it's overused until it's ruined.
How to spot it in yourself
Spot it by asking "does each person capture the gain while the group eats the cost?" — if so, structure beats goodwill.
Fix shared-resource problems with clear ownership, limits, or a cost that lands on whoever creates it — not appeals to be nicer.
Watch for it in shared teams and tools: protect the commons before it's quietly used up.
Go deeper — get the full book
Loved these examples? Listen to The Tragedy of the Commons by Garrett Hardin free with an Audible trial — or read it in full.
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