GIFFEN GOOD: A rare type of good seldom seen in the real world, in which a change in price causes quantity demanded to change in the same direction (in violation of the law of demand). In other words, an increase in the price of a Giffen good results in an increase in the quantity demanded. The existence of a Giffen good requires the existence of special circumstances. First, the good must be an inferior good. Second, the income effect triggered by a change in price must overwhelm the substitution effect. A Giffen good is most likely to result when the good is a significant share of the consumer's budget.

     See also | law of demand | income effect | substitution effect | inferior good | demand price | quantity demanded | normal good | luxury good | budget |

GIFFEN GOOD, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 5, 2025].

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The notion that people relocate from one political jurisdiction to another in search of a more preferred package of government taxes and spending. Named after economist Charles Tiebout, this hypothesis suggests that people "shop" for compatible government activity in the same way they might shop for a car, a house, or a flavor of ice cream. However, shopping for a preferred government package is influenced by other factors affecting migration.

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Today, you are likely to spend a great deal of time at an auction seeking to buy either storage boxes for your income tax returns or an AC adapter for your CD player. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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