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Chapter 9

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Term
Definition
Cross elasticity of demand   The responsiveness of the demand for one good to a change in the price of another good.  
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Inferior good   A good with a negative income effect. Less of it will be bought as income rises.  
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Income elasticity of demand   The responsiveness of demand for a good to changes in income.  
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Luxury good   A normal good on which a greater proportion of income is spent as income rises (YET>1)  
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Normal good   A good with a positive income effect. More of it will be bought as income rises.  
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Perfectly elastic demand   A good is said to have a perfectly elastic demand if a small increase in price will cause demand to fall to zero.  
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Perfectly inelastic demand   A good is said to have a perfectly inelastic demand if a change in its price will cause no change in quantity demanded.  
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Price elasticity of demand   The responsiveness of quantity demanded of a good to a change in the price of that good.  
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Price elasticity of supply   The responsiveness of the supply of a good to changes in its own price.  
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Relatively elastic demand   A good is said to have a relatively elastic demand if the proportionate change in the quantity demanded is greater than the proportionate change in price.  
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Relatively inelastic demand   A good is said to have a relatively inelastic demand when the proportionate change in quantity demanded is less than the proportionate change in price.  
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Unit elasticity of demand   A good is said to have unit elasticity of demand if the proportionate change in quantity demanded is equal to the proportionate change in price.  
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Created by: jmartineconomics
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