來源: (例如: XX 年度高考, XX 年度研究所考)
科目:
問題:
我的想法:
8年台大經研
which of following statementare ture?
A.Giffen goods,when they exist,always have a downward sloping
Engel curve
B.consumer surplus is always zero with a perect elastic
demand curve
C.suppose jon`s labor supply decrease when the hourly wage rate increases
,then leisure is a normal goods for joe
D.a person who is risk averse at all level of income would
never buy a share in a company which offered an uncertain return
老師給的答案只有D
我認為是b.c.d
b圖畫起來得卻是零(雖然覺得怪怪的但又不知是哪裡不對)
c.只有休閒是正常財才會造成負斜率的勞動供給線沒錯阿
請各位高手幫我想想
謝謝
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