Price Elasticity of Supply (PES) Calculator

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Standard method uses the initial values as the base. Midpoint method uses the average of both values, giving the same result regardless of direction.
The original price of the good or service before the change.
The new price after the change.
The quantity supplied at the initial price.
The quantity supplied at the new price.
Price Elasticity of Supply (PES)Inelastic
0.8

The ratio of the % change in quantity supplied to the % change in price

% Change in price50%
% Change in quantity supplied40%
Change in price5
Change in quantity40
Elasticity categoryInelastic
0.8 PES
Perfectly inelastic<0.001Inelastic0.001-1Unit elastic1-1.001Elastic1.001+

PES = 0.8000: Inelastic supply.

  • Price rose by 50.00% and quantity supplied increased by 40.00%.
  • Inelastic supply means producers cannot easily ramp up production in the short run. This is common for goods with long production times, scarce inputs, or fixed capacity.
  • Calculation used the standard point method. The midpoint method is direction-neutral and preferred for discrete price changes.

Next stepInelastic supply often leads to larger price swings when demand shifts. Consider whether supply could become more elastic over a longer time horizon.

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