The Similarities and Differences among the Three Major Global Inter-Country Input-output Database and their Implications for Trade in Value-added Estimates

Christophe Degain, Lin Jones, Zhi Wang () and Li Xin

No 332399, Conference papers from Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project

Abstract: This paper compares three inter-country Input-output (ICIO) tables (or databases) constructed by WIOD, GTAP and OECD. We first harmonize the three tables into the same country and sector coverage and check their consistency with each country’s GDP (by expenditure accounts) and balance of payments figures. Then, we compute the differences between the three databases in major economic variables, including gross output, direct value-added, domestic and imported intermediate inputs and final demand. Next, we estimate major trade in value-added indicators, decompose each country’s gross exports into various value-added and double counted components, using the method proposed by Koopman, Wang and Wei (2012), and discuss the similarities and differences of these estimates among the three databases. We conclude the paper with some suggested directions to further improve ICIO databases.

Keywords: International Relations/Trade; Research Methods/Statistical Methods (search for similar items in EconPapers)
Pages: 38
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:ags:pugtwp:332399

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