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The Interaction of Demand and Supply Ch. 3
State College of Florida ECO 2023 Web
22
Economics
Undergraduate 2
01/24/2010

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Term
Demand Schedule
Definition
A table showing the relationship between the price of a product and the quantity of the product demanded
Term
Quantity demanded
Definition
The amount of a good or service that a consumer is willing and able to purchase at a given price
Term
Demand Curve
Definition
A curve that shows the relationship between the price of a product and the quantity of the product demanded
Term
Market demand
Definition
The demand by all the consumers of a given good or service
Term
Law of Demand
Definition
The rule that, holding everything else constant, when the price of a product falls, the quantity demanded of the product will increase, and when the price of a product rises, the quantity demanded of the product will decrease.
Term
Substitution effect
Definition
The change in the quanity demanded of a good that results from a change in price, making the good more or less expensive relative to other goods that are substitutes.
Term
Income effect
Definition
The change in the quantity demanded of a good that results from the effect of a change in the good's price on consumers' purchasing power.
Term
Ceteris paribus ("all else equal")
Definition
The requirement that when analyzing the relationship between two variables - such as price and quantity demanded - other variables must be held constant.
Term
Normal good
Definition
A good for which the demand increases as income rises and decreases as income falls.
Term
Inferior good
Definition
A good for which the demand increases as income falls and decreases as income rises.
Term
Substitute
Definition
Goods and services that can be used for the same purpose.
Term
Complements
Definition
Goods and services that are used together.
Term
Demographics
Definition
The characteristics of a population with respect to age, race, and gender.
Term
Quantity supplied
Definition
The amount of a good or service that a firm is willing and able to supply at a given price.
Term
Supply schedule
Definition
A table that shows the relationship between the price of a product and the quantity of the product supplied.
Term
Supply curve
Definition
A curve that shows the relationship between the price of a product and the quantity of the product supplied.
Term
Law of supply
Definition
The rule that, holding everything else constant, increases in price cause increases in the quantity supplied, and decreases in price cause decreases in the quantity supplied
Term
Technological change
Definition
A positive or negative change in the ability of a firm to produce a given level of output with a given quantity of inputs.
Term
Market equilibrium
Definition
A situation in which quantity demanded equals quantity supplied.
Term
Competitive market equilibrium
Definition
A market equilibrium with many buyers and many sellers.
Term
Surplus
Definition
A situation in which the quantity supplied is greater than the quantity demanded.
Term
Shortage
Definition
A situation in which the quanity demanded is greater than the quantity supplied.
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