Antràs, Pol (contributor); Helpman, Elhanan (contributor) - 2004 - [Elektronische Ressource]
.S. imports of intermediate inputs. They �nd that the share of imported in-
termediates increased from 5.3% of total U … BEA data imports from foreign a� liates of
U.S.-based �rms has fallen from 23.9% of total U.S. imports in 1977 to 16.1% in …, and a� liate
sales relative to exports are larger in sectors with more productivity dispersion. Their
approach emphasizes …