题目
题目

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单项选择题

Suppose that an economy produces two goods, coffee and tea. At current margins, consumers are willing to exchange 4 units of tea for 1 unit of coffee and firms can produce 1 unit of coffee at the expense of 2 units of tea. To be efficient, the economy should produce

选项
A.less coffee and more tea.
B.more coffee and less tea.
C.more coffee and more tea.
D.less coffee and less tea.
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标准答案
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思路分析
Here we analyze the trade-offs in production given the stated margins. Option A: less coffee and more tea. This would move resources away from the relatively more valuable coffee (in terms of the tea you could obtain) toward tea, but since the marginal willingness to trade coffee for tea is 1 coffee = 4 tea while produc......Login to view full explanation

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