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- (economics) A good which people consume more of as only the price rises. It has a positive price elasticity of demand.
- ^ As Mr.Giffen has pointed out, a rise in the price of bread makes so large a drain on the resources of the poorer labouring families and raises so much the marginal utility of money to them, that they are forced to curtail their consumption of meat and the more expensive farinaceous foods: and, bread being still the cheapest food which they can get and will take, they consume more, and not less of it.
—Alfred Marshall, Principles of Economics (1895 ed.)