题目内容

Because seasons in the Southren Hemisphere are opposite those in the Northern Heminphere, one would expect intra-industry trade to occur in agricultual products.

A. 对
B. 错

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Intra-industry trade can be explained by product differentiation, economies of scale, seasons of the year, and transportation costs.

A. 对
B. 错

According to the theory of intra-industry trade, many manufactured goods undergo a trade cycle in which the home country initially is an exporter and eventually becomes an importer of a product.

A. 对
B. 错

The product-life-cycle theory applies best to trade in primary products in the short run.

A. 对
B. 错

According to the product-life-cycle theory, the first stage of a product's trsde cycle is when it is introduced to the home market.

A. 对
B. 错

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