Definition: Main aggregates
Purchasing power parities
The level of aggregation immediately below GDP (Gross domestic product). There are seven main aggregates of which the most important are individual consumption expenditure by households, individual consumption expenditure by government, collective consumption expenditure by government and gross fixed capital formation.
Eurostat, Organization for Economic Cooperation and Development (OECD), "Eurostat-OECD Methodological Manual on Purchasing Power Parities", Publications Office of the European Union, Luxembourg, 2012