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, 2000-2019. [Accessed: July 23, 2019].

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The satisfaction of wants and needs obtained from the use or consumption of goods and services. The terms utility and satisfaction are, for the most part, used interchangeably in economics. The concept of utility is integral to utility analysis, consumer demand theory, and the microeconomic analysis of consumer behavior and market demand.

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