It is impossible for total utility to be _ when marginal utility is _.
It is impossible for total utility to be _ when marginal utility is _.
A.increasing; increasing
B.increasing; decreasing
C.decreasing; positive
D.positive; negative
正确答案：decreasing; positive
Tag：微观经济学 中国大学MOOC微观经济学
时间：2021-12-11 14:39:11
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