Market Equilibrium Simulator

Explore how Demand and Supply determine prices. Use the sliders to simulate market changes.

Quantity (Q)Price (P)2020404060608080100100DS
Equilibrium Price
$60.00
Equilibrium Quantity
40.0

Demand Change

0%
Decrease (-50%)Original (0%)Increase (+50%)
Real-world Example:Move the slider to see an example case.

Supply Change

0%
Decrease (-50%)Original (0%)Increase (+50%)
Real-world Example:Move the slider to see an example case.

How is Price Determined?

Equilibrium price is where Quantity Demanded (Qd) equals Quantity Supplied (Qs).

Excess Demand (Shortage)

If Price is too low, buyers want more than is available.
Real World:concert tickets sell out instantly, scalpers raise prices.

Excess Supply (Surplus)

If Price is too high, sellers have unsold stock.
Real World: Clothing stores have "End of Season Sales" to clear inventory.