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What are four determinants of price elasticity of demand?

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Quick Answer

Price elasticity of demand has four determinants: product necessity, how many substitutes for the product there are, how large a percentage of income the product costs, and how frequently its purchased, according to Economics Help. By using these determinants, businesses can estimate how a change in the price affects demand.

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Full Answer

Economics Help states that price elastic goods are those that are easily affected by changes in prices, with demand changing along with the rise and fall in he price. Price inelastic goods are those that are difficult to replace or so low costing that a change in the price has little effect on the overall demand of the product or service.

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