chapter 5 vocabulary

# chapter 5 vocabulary - cross-price elasticity of demand A...

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cross-price elasticity of demand A measure of how much the quantity demanded of one good responds to a change in the price of another good, computed as the percentage change in quantity demanded of the first good divided by the percentage change in the price of the second good. elasticity A measure of the responsiveness of quantity demanded or quantity supplied to one of its determinants. income elasticity of demand A measure of how much the quantity demanded of a good responds to a change in consumers' income, computed as the percentage change in quantity demanded divided by the percentage change in income. price elasticity of demand A measure of how much the quantity demanded of a good responds to a change in the price of that good, computed as the percentage change in quantity demanded divided by the percentage change in price. price elasticity of supply A measure of how much the quantity supplied of a good responds to a change in the price of that good, computed as the percentage change in quantity supplied divided by the percentage change in price. total revenue (in a market) The amount paid by buyers and received by sellers of a good, computed as the price of the good times the quantity sold. Chapter Recap: Summary o The price elasticity of demand measures how much the quantity demanded responds to changes in the price. Demand tends to be more elastic if close substitutes are available, if the good is a luxury rather than a necessity, if the market is narrowly defined, or if buyers have substantial time to react to a price change. o The price elasticity of demand is calculated as the percentage change in quantity demanded divided by the percentage change in price. If quantity demanded moves proportionately less than the price, then the elasticity is less than 1, and demand is said to be inelastic. If quantity demanded moves proportionately more than the price, then the elasticity is greater than 1, and demand is said to be elastic. o Total revenue, the total amount paid for a good, equals the price of the good times the quantity sold. For inelastic demand curves, total revenue rises as price rises. For elastic demand curves, total revenue falls as price rises. o The income elasticity of demand measures how much the quantity demanded responds to changes in consumers' income. The cross-price elasticity of demand measures how much the quantity demanded of one good responds to changes in the price of another good. o

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## This note was uploaded on 07/14/2011 for the course ECO 1001 taught by Professor Barcia during the Spring '08 term at CUNY Baruch.

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chapter 5 vocabulary - cross-price elasticity of demand A...

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