International trade in value added: some suggestions for improved and new indicators

Modern production methods utilize complex, international business models that result in global value chains (GVCs). The OECD/WTO database on trade in value added (TiVA) estimates these trade flows based on official statistics. Using the TiVA dataset, this paper outlines the so-called 'profiles by country' used for analytical purposes and makes some suggestions for how indicators, such as the GVC participation index; the length of GVCs might be improved

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

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