①收入效应（income effect）：当商品价格保持不变时，由于购买力的增加而导致的对一种商品消费量的增加。
giffen good的情况就是income effect远大于substitution effect，前者完全冲击掉了后者的影响。
Define Giffen goods. Giffen goods synonyms, Giffen goods pronunciation, Giffen goods translation, English dictionary definition of Giffen goods. Any good that is purchased in greater quantities as its price increases. Dictionary of Unfamiliar Words by Di
Giffen goods（吉芬商品）:Are inferior goods Demand decreases as price decreases, demand curve has positive slope.Negative Income effect > Positive Substitution effect 收入效应为负，且收入效应大于替代效应的次级商品为吉芬商品，随着价格下降需求也下降，吉芬商品一定是次级商品，但次级商品不一定为吉...
Answer: All Giffen goods are inferior. For a Giffen good, the income effect must be negative; that is a fall in income increases demand. ... The substitution
Giffen goods are inferior goods whose demand increases with an increase in their price. They are an exception to the law of demand since they show a direct price-demand relationship.
Giffen goods, in fact, are goods that have upward-sloping demand curves. How can it be possible that people are willing and able to buy more of a good when it gets more expensive? 由于吉芬商品的需求曲线向上倾斜,因此可...
A.For Giffen goods, the negative income effect overwhelms the positive substitution effect, so the quantity demanded decreases.B.Both Giffen goods and Veblen goods have upwardly sloped demand curve.C.Both Giffen goods and Veblen goods are i..
social status symbol. As such, high-income consumers find these goods more desirable at a higher price. The income effect has little impact on these goods because income is not a factor. Substitution is also a minimal factor because the goods are generally status symbols and not cross-...
This paper investigates their result further in a usual microeconomic setting where the risk-free asset and the risky asset are changed to the first and second consumption goods, respectively. It is organized as follows. First, a standard utility maximization problem of a consumer is directly ...