For K-12 Students · Comparative Advantage
Comparative Advantage for an auction
Built for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework. Simulate an auction live below — adjust the inputs and watch it respond, right in your browser.
Comparative AdvantageLive
the gains from trade
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David Ricardo's great insight: even if one country is worse at making everything, both still gain from trade. Each should specialize in the good it gives up the least to produce — its comparative advantage — measured by the slope of its production-possibility frontier. Trade then lets both consume beyond their own frontiers.
Data Inspector
A opp. cost (wine)0.50 cloth
B opp. cost (wine)2.00 cloth
A should makewine
B should makecloth
Governing equation
Reading this result: Country A gives up 0.50 cloth per wine versus B at 2.00, so A specializes in wine and B in cloth — trade then lets both consume beyond their own frontiers.
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More with Comparative Advantage
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Frequently asked questions
- Is this good for k-12 students?
- Yes — this version of "Comparative Advantage for an auction" is framed for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework.
- Do I need to install anything?
- No. It runs in any modern browser, free, with no account required.