1) Over this price range ($4 to $5), the elasticity of demand for this beer is positive but less than one.
2) The degree of elasticity for this beer is 0.8.
3) A 1% change in the price of this beer led to a change in quantity demanded of 0.8%.
4) The total revenue when the price was raised by the local drinking establishment changed by $0.
The elasticity of demand refers to the sensitivity of demand to economic factors, for example, price.
This index is known as price elasticity. Â Price elasticity is computed by dividing the change in demand (or supply) by the change in price.
The old price of draft beer = $4
The new price of draft beer = $5
Increase in the price of draft beer = $1 ($5 - $4)
Percentage increase in price = 25% ($1/$4 x 100)
Sales units under old price = 5,000
Sales units under new price = 4,000
Decrease in sales units = 1,000 units (5,000 - 4,000)
Percentage decrease in sales units = 20% (1,000/5,000 x 100)
Degree of elasticity of demand = Percentage Change in Quantity/Percentage Change in Price
= 0.8 (20%/25%)
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