elasticity of demand. what goods would you always find money to buy even if the price were to raise...
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Elasticity of Demand
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Elasticity of Demand What goods would you always find
money to buy even if the price were to raise drastically?
What goods would you cut back on, or stop buying if the price were to rise just slightly?
Elasticity of Demand: A measure of how consumers react to a change
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Calculating Elasticity
Elasticity= % Change in Quantity Demanded
% Change in Price
To find the percentage change:
Original # - New Number X 100
Original #See p. 92
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PRICE RANGE
Elasticity of demand varies at every price level
Demand can be highly elastic at one price and inelastic at another
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VALUES OF ELASTICITY 1) Elastic = Elasticity > 1
Change in price causes large change in demand
What types of products?
Many substitutes
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ELASTIC
Elasticity > 1 Demand Curve will look like this:
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Inelastic 2) Inelastic = Elasticity < 1
Change in price causes very little change in demand
What types of products?
Very few substitutes (necessities)
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Inelastic
Elasticity < 1 = Inelastic Demand Curve will look like this:
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Perfectly Inelastic
3) Perfectly Inelastic is when Elasticity=0
Change in price does not affect demand at all
Products?
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Perfectly Inelastic
Elasticity = 0 Demand curve will look like this:
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Unitary Elastic 4) Elasticity=1 % Change in quantity demanded is
exactly equal to the % change in price
Example: Piece of Pizza is $2 the demand is 100
pieces Piece of Pizza goes to $3 the demand is
50 pieces Price jumped 50% and the amount
demanded drops 50% = Unitary Elastic