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subsidy
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a payment made by the government to a producers to reduce the market price
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Elasticity
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a numerical measure of the responsiveness of one variable following a change in another variablw, ceteris paribus
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Elastic
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where the relative change in demand or supply is greater than the change in price
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Inelastic
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where the relative change in demand or supply is less than the change in price
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price elasticity of demand
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a numerical measure of the responsiveness of the quantity demanded to a change in price of a product
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Perfectly Inelastic
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where a change in price has no effect on the quantity demanded
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Perfectly Elastic
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where all that is produced is sold at a given price
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unit elasticity
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Where the change in price is relatively the same as the change in quantity demanded giving a numerical value of 1
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Income elasticity of demand (YED)
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a numerical measure of the responsiveness of the quantity demanded following a change in income
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Cross Elasticity of Demand (XED)
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a numerical measure of the responsiveness of the quantity demanded for one product following a change in the price of another related product
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price elasticity of supply PES
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a numerical measure of the responsiveness of the quantity supplied to a change in the price of the product