NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Guillermo Noguera

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Working Papers

December 2016A Portrait of Trade in Value Added over Four Decades
with Robert C. Johnson: w22974
We combine data on trade, production, and input use to document changes in the value added content of trade between 1970 and 2009. The ratio of value-added to gross exports fell by roughly 10 percentage points worldwide. The ratio declined 20 percentage points in manufacturing, but rose in non-manufacturing sectors. Declines also differ across countries and trade partners: they are larger for fast growing countries, for nearby trade partners, and among partners that adopt regional trade agreements. Using a multi-sector structural gravity model with input-output linkages, we show that changes in trade frictions play a dominant role in explaining all these facts.
June 2012Fragmentation and Trade in Value Added over Four Decades
with Robert C. Johnson: w18186
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 countries, declines range from zero to twenty-five percentage points, with large declines concentrated among countries undergoing structural transformation. Across bilateral trade partners, declines are larger for nearby partners and partners that adopt regional trade agreements. That is, both policy and non-policy trade costs shape production fragmentation.

Contact and additional information for this authorAll NBER papers and publicationsNBER Working Papers only

 
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