Fragmentation and Trade in Value Added over Four Decades
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We combine data on trade, production, and input use to compute the value added content of trade for forty-two countries from 1970 to 2009. For the world, the ratio of value added to gross trade falls by ten to fifteen percentage points, with two-thirds of this decline in the last two decades. Across
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美国国家经济研究局创建时间：
2012-06-01
