Giffen good

名词 n.
中文释义

英文释义

名词 n.
  1. 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.
    — To qualify as a Giffen good, a good must be inferior and must have an income effect strong enough to overcome the substitution effect. The example often cited of a possible Giffen good is the potato during the Irish famine of 1845–1849.

词形变化

Giffen goods plural

词源

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.
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