In the market for coffee, for many consumers:
In the market for coffee, for many consumers:
A.coffee mugs are substitutes.
B.cola beverages are complements.
C.non-dairy creamer is a substitute.
D.tea is a substitute.
正确答案:tea is a substitute.
Tag:微观经济学 中国大学MOOC微观经济学
时间:2021-12-11 14:32:34