Suppose the income elasticity of demand for a good is 4. Is this a normal good or

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Suppose the income elasticity of demand for a good is −4. Is this a normal good or an inferior good? If it is a normal good, then is it a luxury or a necessity? Why?

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Air Transport Economics

ISBN: 9781032482538

4th Edition

Authors: Bijan Vasigh, Brian Pearce

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