This dataset includes conversion factors used for International Trade by Commodity Statistics datasets. Exchange rates are expressed in US dollars per national currency unit and based on annual exchange rates. To convert trade data from US dollars into national currency, trade data in US dollars...

Purchasing power parities (PPPs) are the rates of currency conversion that try to equalise the purchasing power of different currencies, by eliminating the differences in price levels between countries. The basket of goods and services priced is a sample of all those that are part of final...

This manual explains the why, the how, and the when of the international price and volume comparisons of GDP organised by Eurostat and the OECD and it provides advice on the use and interpretation of PPP figures they publish.