Pages-native · Econ Arcade · zero backend

Supply & Demand Lab

Move demand, supply, taxes, ceilings, and floors. Predict what happens first, then compare equilibrium, welfare, shortages, and deadweight loss.

Runs entirely in your browser Deterministic teaching model No API keys

Predict → act → compare

Price——

Quantity——

Stability——

Deadweight loss——

Baseline vs current

Consumer surplus—

Producer surplus—

Total private surplus—

Market balance—

Market history

—

Balanced

Model boundary

This is a deliberately simplified teaching model. It demonstrates directional economics and policy tradeoffs; it does not estimate a real market or forecast prices.

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