問題詳情
12. If the cross-price elasticity of demand for two goods is -4.5, then
(A) the two goods are substitutes.
(B) the two goods are complements.
(C) one of the goods is normal while the other good is inferior.
(D) one of the goods is a luxury while the other good is a necessity.
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