Grasp
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Business & EconomicsCourse 03

Supply & Demand

One market you can actually move. Drag demand, supply, taxes, and price controls, and watch price, surplus, and loss respond live.

Core~18 minGrasp
DemandSupplyEquilibriumSurplusPrice controlsTaxes
Step 01Microeconomics

One market, and you hold the controls

Almost every question in microeconomics, why prices move, who really pays a tax, whether rent control helps, is answered by one diagram: supply and demand.

So instead of reading it, you'll drive it. Every step below is the same live market: demand slopes down, supply slopes up, and where they cross is the equilibrium. Drag a control and the whole picture, price, quantity, and the gains from trade, updates instantly.

Use this rhythm: predict what will happen, move the slider, then check. The gap between your guess and the result is where the intuition sticks.