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Econ. Oct. 27

Published on Nov 19, 2015

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PRESENTATION OUTLINE

Demand and supply

mr. melkonian

market

most fundamental and characteristic trait of our economic system
Photo by marcp_dmoz

economy and market are different!

common misconception 

market

four distinct, but related meanings

Physical place where a product is bought and sold. Eg. Costco, TSX

All the buyers and sellers of a particular good/service. Eg. global market for a commodity like limestone.

Photo by minnepixel

Can be the demand that exists for a particular product/service. Eg. the market for Nintendo's Wii U is not high in demand.

Photo by somegeekintn

Can describe the process by which a buyer and seller arrive at a mutually acceptable price/quantity.

Photo by art_inthecity

economy includes these things

and more...

so who determines the price of things?

the market itself! 

match buyers/sellers

of particular product/service
Photo by laszlo-photo

buyers want to spend as little as possible

sellers want the price to be high

usually ends up somewhere in the middle

but big fluctuation sometimes...

demand

Photo by kevin dooley

Quantity of a good/service that buyers will purchase at various prices during a given time period.

Photo by @Doug88888

gucci vs guess

you have a demand for the one you can afford
Photo by BillyBy

whether or not you have a demand for a product

depends on 2 factors
Photo by Leo Reynolds

your head/heart

Photo by Amir Kuckovic

wallet

Photo by TaylorB90

demand exists for

things you want and can afford to buy
Photo by Dr. RawheaD

higher price of a product

less it will be purchased - opposite as well
Photo by Benoit cars

Law of Demand - The quantity demanded varies inversely with price, as long as other things don't change

Photo by V. H. Hammer

substitution

if we can no longer afford something, we get something similar but cheaper
Photo by Liam Higgins

income

if it's cheaper you may buy more
Photo by JD Hancock

demand schedule

calculates consumer demand for a product
Photo by TheeErin

T-Shirt Cost/Sales

Distinction between demand and quantity demanded. Quantity demand refers to relationship determined by price.

Compare $28 T-shirts vs $24 T-shirts. Quantity demanded has fallen by one.

don't say demand has fallen by one!

individual - entire schedule of proce-quantity relationship is shown

Demand curve

could be a straight line too!
Photo by Ame Otoko

market demand

buying habits of thousands of people
Photo by Bert Kaufmann

market demand schedule

sum of all the consumer demands for a product
Photo by Leo Reynolds

T-Shirt Cost/Sales- 3 Buyers

Supply

quantity that sellers will offer for sale at various prices

when price rises

they want to supply more!

they want profit

Photo by Alan Cleaver

if price goes down

suppliers want to supply less, since their profits will fall
Photo by Adabo!

law of supply

Photo by Scott*

The quantity supplied will increase if price increases and fall if price falls, as long as other things don't change.

Photo by ultraBobban

supply curve

can be linear too!
Photo by kevin dooley

Supply and quantity supplied

different as well
Photo by g_firkser

Supply refers to the whole series of price and quantity relationships. T-shirt supply schedule

Photo by Nick.Warner

Quantity supplied refersto one relationship determined by price. Differences between various price points on the T-Shirt supply schedule.

Photo by EvelynGiggles