問題詳情
3. Suppose that we illustrate demand and supply with quantity on the horizontal axis and income onthe vertical axis. Let demand be a function of price and income,
(P, I). Which of thefollowing statements is true?
(A) A change in income will cause a shift in the demand curve.
(B) A change in income level is represented by a movement along the demand curve.
(C) Income is treated as an exogenous variable in the graphical analysis.
(D) Price and income together must change in order to create a shift in the demand curve.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增