Game theory

Tragedy of the commons and resource governance

The tragedy of the commons describes how individually rational use of a shared resource can collectively deplete or damage that resource.

Nicolas mechanism signals

These concepts follow the mathematical contract used by the app.

Convex cost

cost = c * sum a_ij^2

Voice budget

sum a_ij^2 <= B

Outcome rule

shifted softmax over support

What goes wrong

Each participant may gain from using more of the shared resource, while the cost is spread across the group.

Without governance, the resource can be overused even when everyone would prefer a sustainable long-term outcome.

Why decisions are hard

Commons governance usually involves tradeoffs across access, maintenance, enforcement, investment, and fairness for differently affected participants.

A simple majority signal may miss how strongly particular members depend on the resource or oppose a proposed rule.

How Nicolas relates

Nicolas can help communities compare resource rules, funding priorities, or stewardship proposals with intensity-aware voting.

The tool does not manage the resource, but it helps the group produce an inspectable signal before implementing governance choices.

Use cases

Where this decision model helps

Shared-resource rules

Compare rules for access, maintenance, limits, or stewardship.

Participatory budgeting

Prioritize investments that protect or improve shared resources.

Community consultation

Record intensity from participants affected differently by commons decisions.

FAQ

What is the tragedy of the commons?

It is a shared-resource failure where individually rational behavior can collectively deplete or damage the resource.

Can voting fix the commons?

Voting is only one layer because commons governance also needs rules, enforcement, maintenance, and legitimacy.

Why use quadratic voting here?

Quadratic voting can reveal when a smaller affected group cares intensely about a resource decision while others hold milder preferences.