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Tragedy of the Anticommons.

Too many separate permissions can leave a useful resource unused.

Interactive experimentintuitiveField note ·
Preparing the experiment…
THE SHORT VERSION

Tragedy of the Anticommons, explained.

The tragedy of the anticommons describes underuse caused by fragmented rights to exclude: several separate permissions can block activity that would otherwise be useful.

01 / THE MECHANISM

Why it happens

Each permission holder controls a necessary part of the project. Small fees or barriers can accumulate until the whole activity is no longer viable. This differs from overuse in an ungoverned commons, where users can extract while sharing the cost.

An anticommons arises when multiple parties can exclude others from a resource and fragmented rights prevent useful activity, creating underuse rather than overuse.

Read the result

Add all permission fees before choosing to proceed. Then lower a fee or change the number of required permissions. The project's underlying value stays at sixty, allowing you to isolate the coordination barrier.

02 / FOLLOW IT THROUGH

A worked example

A project needs six licenses

  1. A project creates sixty units of value but requires six permissions costing twelve each.

  2. The total fee is seventy-two, leaving net value −12. If each fee becomes four, the total becomes twenty-four and net value becomes 36.

  3. The same project changes viability because of the combined permission cost, not because its technical value improved.

OPTIONAL DEEPER DETAILGo deeper: inside the model

Inside this model

A project creates 60 units of value and requires every owner's permission. Each charges the same selected fee, so net project value is 60 minus owners×fee. The decision game compares proceeding with abstaining, which pays zero. Negotiation delays and strategic pricing are omitted.

03 / BEYOND THE EXPERIMENT

Where this idea is useful

A practical use

A project needing many separate approvals or licenses can stall even when the underlying work has value. Coordinating permissions may reduce the barrier.

CHECK YOUR INTUITION

A common misconception

THE TEMPTING CONCLUSION

“Every permission is an unnecessary obstacle.”

THE MORE USEFUL DISTINCTION

Rights and safeguards can serve legitimate purposes. The concept asks how fragmented control affects coordination, not whether protections should always be removed.

What this explanation leaves out

  • Permission holders may have legitimate interests, and fees are not the only barrier. This is a coordination model, not advice about legal rights or an assumption that removing protections always helps.
ONE MORE QUESTION

Is this simply the tragedy of the commons?

They emphasize different failures. Commons problems often involve overuse under weak exclusion; anticommons problems involve underuse when multiple parties can block access.

TAKE THE IDEA WITH YOU

What is the combined cost of securing every necessary agreement?

Associated thinkers

Further reading

Explore the original research or the teaching reference behind this experiment.