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Ranges for the price elasticity of demand

Economists can’t conceive of any resource or product for that the: (1) price elasticity of demand is zero and the demand curve is vertical. (2) price elasticity of supply is zero and the supply curve is vertical. (3) income elasticity of demand is negative. (4) supply curve is perfectly horizontal. (5) opportunity costs are zero therefore this is a "free good".

Hey friends please give your opinion for the problem of Economics that is given above.

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