Free Trade and Trade Protection (id: b1bbbcb5a)

本题目来源于试卷: Free Trade and Trade Protection，类别为 IB经济学

[单选题]

According to the diagram above, which of the following statements is true?

I. Neither country has comparative advantage in the production of Good X
II. Country A has a lower opportunity cost for Good X than Country B
III. Country B has a lower opportunity cost for Good X than Country A

A. I only
B. I and II only
C. I and III only
D. I, II, and III


参考答案:  A


本题详细解析:

A

$\underset{‾}{\text{Explanation}}$:
$OpportunityCost={\displaystyle \frac{Goodssacrificed}{Goodsobtained}}$

Statement I is correct because the slope of the production possibilities frontier (PPF) is the opportunity cost. Therefore, as the PPFs are parallel, the opportunity costs are the same in both countries, so neither country has comparative advantage in the production of Good $X$.

Statement II and III are incorrect because the PPFs are parallel, so the opportunity cost of producing Good $X$ is the same in both countries.

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