Definition: Representative items
Purchasing power parities
"Those (items) which are, or are considered to be, in terms of relative total expenditure within a basic heading, among the most important items purchased in national markets." Article 3(k) PPP (Purchasing power parity) Regulation.
Eurostat, Organization for Economic Cooperation and Development (OECD), "Eurostat-OECD Methodological Manual on Purchasing Power Parities", Publications Office of the European Union, Luxembourg, 2012