+A Giffen Good is a rare, theoretical product whose demand increases as its price rises, violating the basic [Law of Demand](/wiki/law_of_demand). This peculiar phenomenon occurs when the strong [Income Effect](/wiki/income_effect) of a price change outweighs the usual [Substitution Effect](/wiki/substitution_effect), typically for essential, inferior goods consumed by very poor households.
+## See also
+- [Inferior Good](/wiki/inferior_good)
+- [Law of Demand](/wiki/law_of_demand)
+- [Income Effect](/wiki/income_effect)
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