题目内容

What does comparative advantage refer to?It refers to a principle that when people1what they do best and then2their products for the other things they need, they will all be better off.

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Who would benefit from international trade?All countries that.

Trading often takes place in our daily life.

A. 对
B. 错

A country has the opportunity to make more profits if it decreases wages for the work force and investment in plants and equipment.

A. 对
B. 错

If a country specializes in what it produces best, it would make fewer profits because it loses the opportunity to sell other goods.

A. 对
B. 错

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