题目内容

Trade creation occurs when imports from a low-cost supplier outside of a customs union are replaced by purchases from a higher-cost supplier within the union.

A. 对
B. 错

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If a customs union includes the low-cost supplier of the world, there would be no adverse trade-diversion effwct that would counteract the positive trade-creation effect.

A. 对
B. 错

The potential for trade diversion is smaller when a custom union's external tariff is lower rather than higher.

A. 对
B. 错

If a customs union included all of the countries in the world, there could exist only trade creation, not trade diversion.

A. 对
B. 错

The large the size and the greater the number of countries in a customs union, the greater will be the trade-diversion effect.

A. 对
B. 错

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