Giffen good

== English == === Etymology === Named after Scottish economist Robert Giffen (1837–1910), who was attributed as the author of this idea by Alfred Marshall in his book Principles of Economics. === Noun === Giffen good (plural Giffen goods) (economics) A type of inferior good for which the quantity demanded increases when its price rises, and decreases when its price falls, thus violating the usual law of demand. ==== Translations ==== ==== See also ==== === References ===