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The price elasticity of demand when the price of X decrease s From 40 per piece to 20 per piece will be equal to?
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The price elasticity of demand when the price of X decrease s From 40 ...
Price Elasticity of Demand


The price elasticity of demand measures the responsiveness of quantity demanded to a change in price. It is calculated by dividing the percentage change in quantity demanded by the percentage change in price.


Calculation


Using the midpoint formula:


Price elasticity of demand = (% change in quantity demanded) / (% change in price) x (average price / average quantity)


Let's assume that the original price of X is 40 per piece and the new price is 20 per piece.


The percentage change in price is:


(New price - Original price) / Average price x 100%

= (20 - 40) / ((20 + 40) / 2) x 100%

= -50%


The average price is:


(New price + Original price) / 2

= (20 + 40) / 2

= 30


The percentage change in quantity demanded is not given. Therefore, we cannot calculate the price elasticity of demand with the information provided.


Interpretation


The price elasticity of demand can be classified into three categories:



  • Elastic demand (PED > 1)

  • Inelastic demand (PED < />

  • Unit elastic demand (PED = 1)



When the price elasticity of demand is elastic, a change in price will cause a proportionately larger change in quantity demanded. In contrast, when the price elasticity of demand is inelastic, a change in price will cause a proportionately smaller change in quantity demanded. When the price elasticity of demand is unit elastic, a change in price will cause an equal proportionate change in quantity demanded.
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The price elasticity of demand when the price of X decrease s From 40 per piece to 20 per piece will be equal to?
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