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Economics Diagram Lab

Interactive Economics diagrams

Watch the market diagrams move: change a family or scenario, compare before and after states, and read the causal explanation beside the graph. To learn to draw each one for an exam, use the drawing guide in its lesson; these diagrams use the same labels.

Diagram families

Choose a model, then change one scenario at a time. Every graph uses the same unitless coordinate system and academic styling.

Interactive model

Demand, supply and equilibrium

Move between equilibrium, demand and supply shifts, excess demand and excess supply.

Demand, supply and equilibrium: Market equilibriumPrice (P)Quantity (Q)0PeQeDSE

Demand and supply plan exactly the same quantity at the market-clearing price.

Model reference