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Chapter 4
Market Pricing
22
Economics
12th Grade
10/26/2009

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Term
quanity demanded
Definition
the amount of a good or service that consumers would purchase at a particular price
Term
law of demand
Definition
the quantity demanded of a good or service varies inversely with its price; the lower the price the larger the quantity demanded, and the higher the prices the smaller the quantity demanded
Term
substitution effect
Definition
the effect of a change in the price of a god or service on the amount purchased that results from the consumer substituting a relatively less expensive alternative
Term
income effect
Definition
the effect of a change in the price of a good or service on the amount purchased that results from a change in purchasing power of the consumer's income due to the price change
Term
demand
Definition
the relationship between the quanitities of a good or service that consumers desire to purchase at any particular time and the various prices that can exist for the good or service
Term
demand schedule
Definition
a table recording the number of units of a good or service demanded at various possible prices
Term
demand curve
Definition
a graphic representation of the relationship between price and quantity demanded
Term
community demand schedule
Definition
the sum of all the individual demand schedules in a particular market showing the total quantities demanded by the buyers in the market at each of the various possible prices
Term
supply
Definition
the relationship between the quantities of a good or service that sellers wish to market at any particular time and the various prices that can exist for the good or service
Term
supply schedule
Definition
a table recording the number of units of a good or service supplied at various possible prices
Term
supply curve
Definition
a graphic representation of the relationship between price and quantity supplied
Term
law of supply
Definition
the quantity supplied of a good or service varies directly with its price; the lower the price the smaller the the quantity supplied, and the higher the price the larger the quantity supplied
Term
equilibrium price
Definition
the price at which the quantity of a good or service offered by suppliers is exactly equal to the quantity that is demanded by purchasers in a particular period of time
Term
shortage
Definition
an excess of quantity demanded over quantity supplied that occurs when a price is below the equillibrium price. Shortages cause prices to increase
Term
surplus
Definition
an excess of quantity supplied over a quantity demanded that occurs when a price is above the equilibrium price. Surpluses cause prices to decrease
Term
consumer tastes and preferences
Definition
individual liking or partiality for specific goods or services
Term
substitute
Definition
a product that is interchangeable in use with another product
Term
compliment
Definition
a product that is employed jointly in conjunction with another product
Term
short run
Definition
a period of time so short that the amount of some factor inputs cannot be varied
Term
long run
Definition
a period of time sufficiently long that the amount of all factor inputs can be varied
Term
shift in demand
Definition
a change in the quantity of a good or service that would be purchased at each possible price
Term
shift in supply
Definition
a change in the quantity of a good or service that would be offered for sale at each possible price
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