A Systematic Decomposition of World Trade into Horizontal and Vertical IIT |
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Authors: | Lionel Fontagné Michael Freudenberg Guillaume Gaulier |
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Institution: | (1) Université de Paris I, Paris, France;(2) Paris School of Economics, Paris, France;(3) CEPII, 9 rue Georges Pitard, 75 740 Paris CEDEX 15, France;(4) International Trade Center (UNCTAD-WTO), Geneva, Switzerland |
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Abstract: | We provide a systematic decomposition of world trade using harmonized bilateral flows at the most available detail (some 5,000
product categories), into three trade types: inter-industry, intra-industry in horizontally and in vertically differentiated
products. The analysis is diachronic and considers country pairs such as France-Germany, United States-China, Malaysia-Singapore,
or India-Nigeria.
We show that the increase in IIT at the world level is due to two-way trade of vertically differentiated products. We find
France and Germany having the highest share of IIT in their bilateral trade among all country pairs in the world. In value
terms, the most important bilateral IIT is between the United States and Canada. Recently, specialization according to the
classical theories of international trade (inter-industry trade), has recovered, due to the increasing participation of emerging
economies in world trade.
JEL no. F14, F15 |
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Keywords: | Intra-industry trade international trade |
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