If productivity in the German computer industry grows faster than it does in the Japanese computer industry, the opportunity cost of each computer produced in Japan increases relative to the opportunity cost of a computer produced in Germany.
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If Japan loses competitiveness in computers, Japanese computer workers lose jobs to foreign computer workers and the wages of Japanese computer workers tend to fall relative to the wages of foreign computer workers.
A. 对
B. 错
With constant opportunity costs, a nation will achieve the greatest possible gains from trade if it partially specializes in the production of the commodity of its comparative disadvantage.
A. 对
B. 错
By reducing the overall volume of trade, import restrictions tend to reduce a nation's gains from trade.
A. 对
B. 错
According to the principle of comparative advantage, an open trading system results in resources being channeled from uses of low productivity to those of high productivity.
A. 对
B. 错