题目内容

Fears about the downward pressure that cheap foreign workers place on U.S. wages have led U.S. labor unions to lobby for import restrictions such as tariffs and quotas.

A. 对
B. 错

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According to the factor-price-equalization theory, international trade results in the relative differences in resource prices between trading nations being eliminated.

A. 对
B. 错

Empirical testing by Wassily Leontief gave support to the Heckscher-Ohlin theory of trade.

A. 对
B. 错

The Leonties Paradox was the first major challenge to the product-life-cycle theory of trade.

A. 对
B. 错

The Leontief Paradox suggested that, in contrast to the predictions of the factor-endowment theory, U.S. exports were less capital-intensive than U.S. import-competing goods.

A. 对
B. 错

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