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Price elastcity of demand
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Measure of responsiveness of purchasers and suppliers to a change in price
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Elastic Demand
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A form of demand for products in which changes in price correspond to changes in demand.
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inelastic demand
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A situation in which an increase or a decrease in price will not significantly affect demand for the product
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Unit Elastic Demand
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demand is unit elastic when the percentage change in quantity demanded is equal to the percentage change in price, so the price elasticity is equal to 1 in absolute value
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Perfectly Inelastic Demand
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the case where the quantity demanded is completely unresponsive to price and the price elasticity of demand equals zero
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Perfectly Elastic Demand
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the case where the quantity demanded is infinitely responsive to price and the price elasticity of demand equals infinity