Topic Four
Elasticity of Demand
and Supply
Elasticity
● Elasticity is a general
concept that can be used to
quantify the response in one
variable when another
variable changes.
e l a s t i c i t y o f A w i t
h r e s p e c t t oB

%

A
%

B
Elasticity – the concept
● The responsiveness of one variable
to changes in another
● When price rises, what
happens to demand?
● Demand falls
● BUT!
● How much does demand fall?
Elasticity – the concept
● If price rises by 10% - what happens
to demand?
● We know demand will fall
● By more than 10%?
● By less than 10%?
● Elasticity measures the extent to which
demand will change
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx
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elasticity manaerial four ecobnomics.pptx
elasticity manaerial four ecobnomics.pptx

elasticity manaerial four ecobnomics.pptx

  • 1.
    Topic Four Elasticity ofDemand and Supply
  • 2.
    Elasticity ● Elasticity isa general concept that can be used to quantify the response in one variable when another variable changes. e l a s t i c i t y o f A w i t h r e s p e c t t oB  %  A %  B
  • 3.
    Elasticity – theconcept ● The responsiveness of one variable to changes in another ● When price rises, what happens to demand? ● Demand falls ● BUT! ● How much does demand fall?
  • 4.
    Elasticity – theconcept ● If price rises by 10% - what happens to demand? ● We know demand will fall ● By more than 10%? ● By less than 10%? ● Elasticity measures the extent to which demand will change