Elasticity is the measure of responsiveness of one thing to another Price Elasticity of Demand is the measure of responsiveness of price to a change in quantity. PED= %Change in Quantity %Change in Price
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Price Elasticity of Supply is the measure of responsiveness of price to a change in Supply. PED= %Change in Supply %Change in Price
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Income Elasticity of Demand is the measure of responsiveness of Income to a change in quantity. PED= %Change in Quantity %Change in Income . Elasticity