Comparative advantage is a static concept - it never changes over time.

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• An advantage of a dry chemical over a carbon dioxide fire extinguisher is its（）.

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• 比较优势（Comparative advantage）

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• The theory of comparative advantage was introduced by the English economist __________.

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• The principle of comparative advantage is derived from a highly complicated two good/two country model.

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• What is NOT the advantage of a functional resumé over a chronological one?

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• Countries trade with each other partly because there is a cost advantage.（)

  此题为判断题(对，错)。

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