Supply Chapter 4 Price Effect Market Supply Price Elasticity Change in Supply.
PRICE ELASTICITY OF SUPPLY. PRICE ELASTICITY OF SUPPLY AND DEMAND Lets think about this for a...
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Transcript of PRICE ELASTICITY OF SUPPLY. PRICE ELASTICITY OF SUPPLY AND DEMAND Lets think about this for a...
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PRICE ELASTIC
ITY OF
SUPPLY
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PRICE ELASTICITY OF SUPPLY AND DEMANDLets think about this for a second…
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PRICE ELASTICITY OF DEMANDTakes into account the reaction of Consumers to Changes in
Price.
Right?
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SO THAT MUST MEAN…. Elasticity of supply takes into account the reaction of
consumers to changes in quantity supplied.
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WRONG!!!!!
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THE DEFINITIONRecall - The price elasticity of demand measures
the responsiveness of consumers to changes in a products price
• Price Elasticity of Supply or Supply Elasticity measures the responsiveness of producers and the quantity they supply to changes in price.
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DON’T BE LIKE MINOR MISTAKE MELVIN!
Never forget:When we talk about Price elasticity of Demand, we measure
consumer reaction to price change.
When we talk about supply elasticity we measure producer reaction to price change.
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ELASTIC SUPPLYAs in an elastic demand curve, elastic supply is achieved when
the percentage change in the products price leads to a larger percentage change in it’s quantity supplied.
In simple terms:Quantities that producers are willing to sell are VERY
RESPONSIVE to price changes.
Lets refer to FIGURE 3.7 in your textbook pg. 70
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INELASTIC SUPPLYIf the percentage change in price causes a smaller percentage
change in in quantity supplied then we get INELASTIC SUPPLY.
In simple terms:
The quantity of an item that producers are willing to sell is NOT VERY RESPONSIVE when compared to change in price of the item.
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FACTORS THAT AFFECT SUPPLY ELASTICITYFirst and foremost:
TIME
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THE IMMEDIATE RUN• This is the period during which the businesses in a given
industry are unable to alter the quantities of resources they use.
Refer to text page 71 for the strawberry example.
In the IMMEDIATE RUN, supply is said to be PERFECTLY INELASTIC.
What will the curve look like?
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THE SHORT RUN• In this period, the quantity of at least ONE of the resources
used by businesses in a given industry are unable to be varied.
• Refer to page 71 for another strawberry example….
The supply elasticity in the short run could be elastic OR inelastic…
Why?
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THE LONG RUN• Over the long run, the quantities of all of the resources used
in an industry can be varied.
• Refer to page 71 for yet ANOTHER strawberry example…• Leads to perfectly Elastic Supply
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HOW DO WE CALCULATE IT?Similar to the price elasticity of Demand:
Es = Qs P
Remember, to get percent change we do the following:
NEW QUANT – OLD QUANT / OLD QUANT
NEW PRICE – OLD PRICE / OLD PRICE