Constant opportunity costs suggest that the relative cost of producing one product in terms of the other will remain the same no matter where a nation chooses to locate on its production-possibilities schedule.
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There are two explanations of constant opportunity costs; (1) factors of production are imperfect substitutes for each other; (2) all units of a given factor have different qualities.
A. 对
B. 错
With increasing opportunity costs, a nation totally specializes in the production of the commodity of its comparative advantage; with constant opportunity costs, a nation partially specializes in the production of the commodity of its comparative advantage.
A. 对
B. 错
A nation's trade triangle denotes its exports, imports, and terms of trade.
A. 对
B. 错
International trade leads to increased welfare if a nation can achieve a post-trade consumption point lying inside of its production-possibilities schedule.
A. 对
B. 错