问题描述:
Which of the following is a decision made at the margin?
A.Penny and Emilio are deciding whether or not to get married.B.Natasha and Jake are deciding whether or not to buy a house.C.Theresa is deciding whether or not to join the military.D.Vincent is deciding how much to spend on an engagement ring.
这个选哪个啊?微观经济学
A.Penny and Emilio are deciding whether or not to get married.B.Natasha and Jake are deciding whether or not to buy a house.C.Theresa is deciding whether or not to join the military.D.Vincent is deciding how much to spend on an engagement ring.
这个选哪个啊?微观经济学
问题解答:
我来补答展开全文阅读