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*巴西经济情况数据
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*中国经济情况数据
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*德国经济情况数据
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*欧盟经济情况数据
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*法国国经济情况数据
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*印度经济情况数据
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*印度尼西亚经济情况数据
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*意大利经济情况数据
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*日本经济情况数据
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*加拿大经济情况数据
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*俄国经济情况数据
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*英国经济情况数据
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*美国经济情况数据
When analyzing the effects of preferential tariffs on trade flows you will need to be careful with assumptions about which tariff rate is actually applied to a particular import. The importing country will apply the MFN tariff if the product fails to meet the country's rules that determine the product's country of origin. For example, some former European colonies find it easier to satisfy the rules of origin under the Cotonou Agreement rather than the Everything But Arms (EBA) program, even where preferential tariffs are lower under the EBA.
WITS uses the concept of effectively applied tariff which is defined as the lowest available tariff. If a preferential tariff exists, it will be used as the effectively applied tariff. Otherwise, the MFN applied tariff will be used.