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Free Trade and Trade Protection (id: 46036cdda)

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admin 发表于 2024-7-27 17:05:50 | 显示全部楼层 |阅读模式
本题目来源于试卷: Free Trade and Trade Protection,类别为 IB经济学

[单选题]
Which of the following arguments supports the theory of comparative adeq (uh0oux)6jtw kkyhg;9b 0 1vantagejnj/a . f8 pn5td;k*yz?

A. Technology is fixed, so trade is necessary
B. Economies of scale make production more efficient
C. Specialisation helps to maintain structural stability in a society
D. Factors of production are perfectly mobile within a country


参考答案:  B


本题详细解析:
B

Explanation:
If a country has a comparative advantage, it specialises in the production and export of one commodity, and can benefit from economies of scale. Economies of scale lower the cost of production.

Options A and D are incorrect statements:

  • Option A is incorrect because technology keeps changing.
  • Option D is incorrect as geographical and occupational barriers adversely affect mobility of resources.

Option C is a true statement describing a disadvantage of comparative advantage: specialisation can limit structural changes in a society.

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