Supply & Demand Equilibrium Simulator

Microeconomics describes markets as the interaction of two opposing forces: the law of demand (buyers want less as price rises) and the law of supply (sellers offer more as price rises). This simulator plots both curves in the price–quantity plane and lets the market price adjust dynamically toward the point where they cross — the equilibrium. Shift either curve to model a change in income, preferences, cost or technology, adjust demand elasticity, or impose a price ceiling or floor to see how a binding price control prevents the market from clearing and creates a persistent shortage or surplus instead.