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PCS Economics
Economics Vocabulary Chapter 5
Term | Definition |
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quantity demanded | the amount of a good or service that consumers are willing and able to buy at a specific price |
demand | the quantity of a good or service that consumers are both willing and able to buy at various prices |
demand schedule | a list of the quantities of a good that one person will buy at various prices |
demand curve | a graph of the relationship between the price of a good or service and the quantity buyers ware willing and able to buy |
market demand | the sum of all the individual quantities demanded in a market |
law of demand | an economic law stating that as the price of a good or service increases, the quantity demanded decreases, and vice versa |
substitute good | a product that satisfies the same basic want as another product |
change in demand | an increase or decrease in demand (the quantity of a good or service that consumers are willing and able to buy) as a result of a change in factors other than price |
demand shifters | a factor other than price that can cause a change in demand for a good or service; examples include changes in consumer incomes or tastes |
complementary good | a product that is used or consumed jointly with another product; tennis rackets and tennis balls are one example |
demand shifters | 1. change in income 2. consumer expectation 3. change in price of substitute goods 4. change in the numbers of consumers 5. change in the price of complementary goods 6. change in consumers taste and preferences |
quantity supplied | the amount of a good or service that producers are willing and able to offer for sale at a specific price |
supply | the quantity of a good or service that producers are willing and able to offer for sale at various prices |
supply schedule | a table that shows the quantities supplied at different prices in a market |
supply curve | a graph that shows the relationship between price and the quantity that producers are willing and able to supply |
market supply | the sum of all the individual quantities supplied in a market |
law of supply | an economic law stating that as the price of a good or service increase, the quantity supplied increase, and vise versa |
revenue | the amount of money a firm receives in the course of doing business |
change in quantity supplied | an increase or decrease in quantity supplied (the amount of a good or service that producers are willing and able to offer for sale at a specific price) as a result of a change in price |
change in supply | an increase or decrease in supply (the quantity of a good or service that producers are willing and able to offer for sale) as a result of a change in factors other than price; a shift of the supply curver to the left or right |
supply shifter | a factor other than price that can cause a change in the supply of a good or service; examples include changes in technology and government policy |
subsidy | a government payment to a supplier of goods or services, designed to help that supplier continue to operate |
excise tax | a tax on the manufacture or sale of a good |
elasticity | a measure of the degree to which the quantity demanded or supplied of a good or service changes in response to a change in price |
elasticity of demand | a measure of the sensitivity of consumers to a change in price |
inelastic | not responsive, or only slightly responsive, to a change in price, applied to either supply or demand; the supply or demand of a good or service is said to be inelastic when the quantity supplied or demanded does not change with a change in price |
elastic | responsive to a change in price, applied to either supply or demand; the supply or demand of a good or service is said to be elastic when the quantity supplied or demanded changes significantly with a change in price |
unitary elastic demand |