SUPPLY Quantity supplied is the amount of a good that sellers are willing and able to sell. Law of...
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Transcript of SUPPLY Quantity supplied is the amount of a good that sellers are willing and able to sell. Law of...
![Page 1: SUPPLY Quantity supplied is the amount of a good that sellers are willing and able to sell. Law of Supply The law of supply states that, other things equal,](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649ebd5503460f94bc6e85/html5/thumbnails/1.jpg)
SUPPLY
• Quantity supplied is the amount of a good that sellers are willing and able to sell.
• Law of Supply• The law of supply states that, other things
equal, the quantity supplied of a good rises when the price of the good rises.
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The Supply Curve: The Relationship between Price and Quantity Supplied
• Supply Schedule• The supply schedule is a table that shows the
relationship between the price of the good and the quantity supplied.
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Supply Schedule
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The Supply Curve: The Relationship
between Price and Quantity Supplied • Supply Curve
• The supply curve is the graph of the relationship between the price of a good and the quantity supplied.
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Supply Schedule and Supply Curve
Copyright©2003 Southwestern/Thomson Learning
Price ofIce-Cream
Cone
0
2.50
2.00
1.50
1.00
1 2 3 4 5 6 7 8 9 10 11 Quantity ofIce-Cream Cones
$3.00
12
0.50
1. Anincrease in price ...
2. ... increases quantity of cones supplied.
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Market Supply versus Individual Supply• Market supply refers to the sum of all
individual supplies for all sellers of a particular good or service.
• Graphically, individual supply curves are summed horizontally to obtain the market supply curve.
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Shifts in the Supply Curve
• Input prices
• Technology
• Expectations
• Number of sellers
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Shifts in the Supply Curve
• Change in Quantity Supplied• Movement along the supply curve.• Caused by a change in anything that alters the
quantity supplied at each price.
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1 5
Price of Ice-Cream Cone
Quantity of Ice-Cream Cones0
S
1.00A
C$3.00 A rise in the price
of ice cream cones results in a movement along the supply curve.
Change in Quantity Supplied
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Shifts in the Supply Curve
• Change in Supply• A shift in the supply curve, either to the left or
right. • Caused by a change in a determinant other
than price.
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Shifts in the Supply Curve
Copyright©2003 Southwestern/Thomson Learning
Price ofIce-Cream
Cone
Quantity ofIce-Cream Cones
0
Increasein supply
Decreasein supply
Supply curve, S3
curve, Supply
S1Supply
curve, S2
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Variables That Influence Sellers
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Elasticity of Supply
• How suppliers respond to changes in prices• Inelastic – little change despite changes in
price• Elastic – more change based on changes in
price
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Elasticity of Supply and Time
• In the short-run, a firm cannot easily change its output level, so supply is inelastic.
• In the long-run, firms are more flexible, so supply is more elastic.