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Chapter 3 Demand
Vocabulary
16
Economics
12th Grade
02/04/2014

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Term
demand
Definition
the amount of a good or service that consumers are willing and able to buy at various prices during a given period
Term
quantity demanded
Definition
the amount of a good or service that consumers are willing and able to purchase at a particular price
Term
law of demand
Definition
consumers will purchase more of a good at lower prices and less of a good at higher prices
Term
purchasing power
Definition
the amount of income that people have availble to spend on goods and services
Term
income effect
Definition
the effect that a change in an item's price has on consumers' ability to purchase goods
Term
substitution effect
Definition
consumers' tendency to substitute a lower-priced good for a higher-priced one
Term
diminishing marginal utility
Definition
the natural decreases in the utility of a good or service as more units of it are consumed
Term
demand schedule
Definition
a table that shows the level of demand for a particular item at various prices
Term
demand curve
Definition
a graphic representation of a demand schedule
Term
determinants of demand
Definition
a nonprice factor that influences the amount of demand for a good or service
Term
substitute goods
Definition
a product that purchasers use in place of another product
Term
complementary goods
Definition
goods that are commonly used with other goods
Term
elasticity of demand
Definition
the degree to which changes in a good's price affect the quantity demanded by consumers
Term
elastic demand
Definition
the situation that exists when quantity demanded changes greatly in response to a change in price
Term
inelastic demand
Definition
the situation that exists when quantity demanded changes only slightly or not at all in response to a change in price
Term
total revenue
Definition
a business's total income
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