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Determinants of Demand, Study notes of Supply Management

Tastes – Preferences for a product – a change that makes the product more desirable – means that more of it will be demanded at each price. Demand will ...

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Determinants of Demand
Tastes Preferences for a product a change that makes the product more desirable
means that more of it will be demanded at each price. Demand will increase and
demand curve will shift rightward
o Unfavorable change in consumer preferences will decrease demand, shifting
demand curve to left
o New products may affect consumer tastes; the introduction of compact discs
greatly decreased demand for cassette tapes
o Concern over health hazards, etc.
Number of Buyers Increase or decrease in number of buyers in market.
o Improvements in communications have given financial markets international
range and have thus increased demand for stocks and bonds
o Baby boom after WWII in creased demand for baby diapers
Income a rise in income causes an in crease in demand
o Consumers typically buy more steaks, furniture, electronic equip as income
increases
o Conversely, demand for such products declines as their incomes fall
Products whose demand varies directly with money income are called
superior goods or normal goods
Most products are normal goods, but exceptions include demand for
used clothing deceases as incomes go up also retread tires and used
autos
Prices of related goods substitute or compliment
o Substitute one that can be used in place of another good
The price of one and the demand for the other move in the same
direction
o Complimentary good one that is used together with another good
The price of one good and the demand of the other good move in
opposite directions.
o Related goods Vast majority of goods that are not related are called
independent goods examples are butter and golf balls; potatoes and
automobiles. A change in the price of one has little or not effect on demand for
other.
Expectations Consumer expectations - a newly formed expectation of higher future
prices may cause consumers to buy now in order to “beat” the anticipated price rises;
thus, increasing current demand. Example: freezing weather destroys much of Florida’s
cirrus crop, consumers may reason that he price of orange juice will rise
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Determinants of Demand

 Tastes – Preferences for a product – a change that makes the product more desirable – means that more of it will be demanded at each price. Demand will increase and demand curve will shift rightward o Unfavorable change in consumer preferences will decrease demand, shifting demand curve to left o New products may affect consumer tastes; the introduction of compact discs greatly decreased demand for cassette tapes o Concern over health hazards, etc.  Number of Buyers – Increase or decrease in number of buyers in market. o Improvements in communications have given financial markets international range and have thus increased demand for stocks and bonds o Baby boom after WWII in creased demand for baby diapers  Income – a rise in income causes an in crease in demand o Consumers typically buy more steaks, furniture, electronic equip as income increases o Conversely, demand for such products declines as their incomes fall  Products whose demand varies directly with money income are called superior goods or normal goods  Most products are normal goods, but exceptions include demand for used clothing deceases as incomes go up also retread tires and used autos  Prices of related goods – substitute or compliment o Substitute – one that can be used in place of another good –  The price of one and the demand for the other move in the same direction o Complimentary good – one that is used together with another good  The price of one good and the demand of the other good move in opposite directions. o Related goods – Vast majority of goods that are not related are called independent goods – examples are butter and golf balls; potatoes and automobiles. A change in the price of one has little or not effect on demand for other.  Expectations – Consumer expectations - a newly formed expectation of higher future prices may cause consumers to buy now in order to “beat” the anticipated price rises; thus, increasing current demand. Example: freezing weather destroys much of Florida’s cirrus crop, consumers may reason that he price of orange juice will rise

Determinants of Supply

 Resource Prices – process of resources used in production process help determine costs of production incurred by firms  Technology – Improvements in technology (techniques of production) enable firms to produce units of output with fewer resources  Taxes and Subsidies – Business treat most taxes as costs – increase in sales or property taxes will increase production costs and decrease supply  Prices of Other Goods – For example, producer of soccer balls can sometimes use their plant and equipment to produce alternative goods – basketballs and volleyballs  Price Expectations – changes in expectations about future price of a product may affect the producer’s current willingness to supply that produce. Farmers anticipating a higher wheat price in future might withhold some of current wheat harvest from market, thereby causing a decrease in current supply of wheat.  Number of sellers – Larger the number of suppliers, the greater the market supply. As more firms enter industry, the supply curve shifts to the right. Us and Canada imposed restrictions on haddock fishing to replenish dwindling stocks.

Change in Supply – means a change in the schedule and a shift of the

curve

Change in quantity supplied is a movement from one point to another

on a fixed supply curve.

Change in Demand – A shift of the demand curve to right (increase) or

left (decrease).

Change in Quantity Demanded – A movement from one point to

another point – from one price-quantity combination to another – on

a fixed demand schedule or demand curve.