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SOE Ch 3 Vocab
Demand, Supply, and Market Equilibrium
24
Economics
Undergraduate 1
10/28/2011

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Term
Quantity Demanded
Definition
The amount of a product consumers are willing to buy
Term
Demand schedule
Definition

A table that shows the relationship between the price of a product and the quantity demanded, ceteris paribus.

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Term
Individual Demand curve
Definition

A curve that shows the relationship between the price of a good and quantity demanded by an individual consumer, ceteris paribus.

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Term
Law of Demand
Definition
There is a negative relationship between price and quantity demanded, ceteris paribus.
Term
Perfectly Competitive market
Definition
A market with many sellers and buyers of a homogenous product and no barriers to entry
Term
Change in quantity demanded
Definition
a change in the quantity consumers are willing and able to buy when the price changes; represented graphically by movement along the demand curve
Term
Market Demand curve
Definition
a curve showing the relationship between price and quantity demanded by all consumers, ceteris paribus.
Term
Quantity supplied
Definition
The amount of a product that firms are willing and able to sell
Term
Supply Schedule
Definition
A table that shows the relationship between the price of a product and quantity supplied, ceteris paribus.
Term
Individual Supply Curve
Definition

A curve showing the relationship between price and quantity supplied by a single firm, ceteris paribus

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Term
Law of Supply
Definition
There is a positive relationship between price and quantity supplied
Term
change in quantity supplied
Definition
A change in the quantity furmns are willing and able to sell when the price changes; represented graphically by movement along the supply curve
Term
Minimum supply price
Definition
the lowest price at which a product will be supplied
Term
Market supply Curve
Definition
A curve showing the relationship between the market price and quantity supplied by all firms, ceteris paribus.
Term
Marginal Principle
Definition
Increase the level of an activity as long as its marginal benefit exceeds its marginal cost. Choose the level at which the marginal benefit equals the marginal cost
Term
Market Equilibrium
Definition
A situation in which the quantity demanded equals the quantity supplied at the prevailing market price
Term
Excess demand
Definition
A situation in which, at the prevailing price, the quantity demanded exceeds the quantity supplied
Term
Excess Supply
Definition
A situation in which the quantity supplied exceeds the quantity demanded as the prevailing price
Term
Change in Demand
Definition
A shift of the demand curve caused by a change in a variable other than the price of the product
Term
Normal Good
Definition
A good for which an increase in income increases demand
Term
Inferior Good
Definition
A good for which an increase in income decreases demand
Term
Substitutes
Definition
Two goods for which an increase in the price of one good increases the demand for the other good
Term
Complements
Definition
Two goods for which a decrease in the price of one good increases the demand of the other good
Term
Change in supply
Definition
A shift in the supply curve caused by a change in a variable other than the price of the product
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