题目内容

The imposition of pollution-control regulations on domestic steel manufacturers leads to decreases in production costs and an improvement in the steel manufacturer's competitiveness.

A. 对
B. 错

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Empirical studies conclude that U.S. environmental policies are a more important determinant of trade performance than capital, raw materials, labor skills, and wages.

A. 对
B. 错

Although the theory of comparative advantage explains trade in manufactured goods, it has no explanatory value fur trade in business services.

A. 对
B. 错

Most developing countries have pollution-control laws and enforcement policies that are more stringent than those of the major industrial countries.

A. 对
B. 错

When transportation costs are added to our trade model, the low-cost exporting country produces less, consumes more, and exports less than that which occurs in the absence of transportation costs.

A. 对
B. 错

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