Monetary aggregates are the money circulating in an economy to satisfy its current monetary needs. There are two indicators for monetary aggregates collected by the OECD: "narrow money" (M1); a means of exchange and "broad money" (M3); a way to store value. Monetary aggregates are measured as a...

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.

The OECD, Eurostat, and 47 participating countries work together in establishing purchasing power parities, or PPPs, in order to compare the price and volume levels of the GDPs. This programme is called the Eurostat-OECD PPP Programme. The manual gives a complete, detailed and up-to-date...