Definition: Base-country invariance

Category: Purchasing power parities

The property whereby the relativities between the PPPs (Purchasing power parities), the price level indices and the volume indices of countries are not affected by either the choice of national currency as numéraire or the choice of reference country. http://ec.europa.eu/eurostat/product?code=KS-RA-12-023&mode=view Eurostat and Organization for Economic Cooperation and Development (OECD), "Eurostat - OECD Methodological manual on purchasing power parities (2005 Edition)", Methods and Nomenclatures, Office for Official Publications of the European Communities, Luxembourg, 2006European Union, Regulation (EC) No 1445/2007 of the European Parliament and of the Council of 11 December 2007 establishing common rules for the provision of basic information on Purchasing Power Parities and for their calculation and dissemination, Official Journal of the European Union No L 336, 20.12.2007, p. 1 - 24