If the demand for steak increases as income increases, this means that steak is a(n):
If the demand for steak increases as income increases, this means that steak is a(n):
A.substitute good.
B.normal good.
C.inferior good.
D.complementary good.
正确答案:normal good.
Tag:微观经济学 中国大学MOOC微观经济学
时间:2021-12-11 14:32:38