The Trade in Value Added (TiVA) database consists of a set of measures that aim to provide better insights into global production networks and supply chains than is possible with conventional trade statistics. See TiVA.

The Origin of value added in gross imports presented here, is derived from the latest version of OECD’s Inter-Country Input-Output (ICIO) database and provides estimates of gross imports by country c of goods and services from industry i in partner country/region p broken down by value added originating from source country/region s.

In other words, the four dimensions link the imports of country c to the value added from source country s embodied in the exports of industry i in the exporting country p - thus revealing how the value of a country’s gross imports of intermediate and final products from a particular partner is an accumulation of value generated by many countries.

For a description of the method used for calculating these estimates, using the ICIO, see the document TiVA indicators definitions hereafter.

From this data cube, a range of gross imports-based measures can be derived including the following found in the main TiVA indicators database:

• Total gross imports by industry, IMGR (c,i): set exporting country p = World and source country s = World.

• Domestic value added content of gross imports by partner and industry, IMGR_DVA (c,p,i): set source country s = importing country c.

• Share of IMGR_DVA in relation to IMGR: IMGR_DVAsh (c,p,i).

Note that the same value added originating from source country s can be present in the gross imports of more than one importing country c (as embodied value added, from upstream production, may cross national borders many times). In general, therefore, these estimates should be viewed from the perspective of an importing country c.

Users are encouraged to send their comments and questions, or to signal any apparent errors regarding the TiVA database, to TIVA.contact@oecd.org.

Mars 2017