The ideal decision (a). If a 25% change in price causes a 40% change in the amount delivered, supply is elastic since its price elasticity is roughly 1.60.
A good or service's responsiveness to supply after a change in its market price is measured by its price elasticity of supply. Basic economic theory states that when a good's price grows, so will it's supply. A good's supply will fall when its price rises, on the other hand.
The price elasticity of supply is calculated as follows: % change in quantity supplied / % change in price. Economists determine whether the quantity provided of an item is elastic or inelastic by calculating the price elasticity of supply.
the supply's price elasticity
= % variation in the amount supplied / Price variation in %.
= 40% / 25%
= 1.6
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