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INVARIANCE TO PROPORTIONAL CHANGE IN CURRENT OR BASE QUANTITIES TEST

Statistics Directorate    
Definition:
A test that may be used under the axiomatic approach which requires that the price index remains unchanged when all the base period quantities, or all the current period quantities, are multiplied by a positive scalar.

Source Publication:
ILO, IMF, OECD, Eurostat, UNECE, World Bank, 2004, Producer Price Index Manual: Theory and Practice, International Monetary Fund, Washington DC.

Hyperlink:
http://www.imf.org/external/np/sta/tegppi/index.htm

Statistical Theme: Prices and purchasing power partities

Created on Tuesday, February 18, 2003

Last updated on Friday, July 08, 2005