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This test is satisfied if, when country j is taken as the base country, the price or quantity index for countries j and k is the reciprocal of the index when country k is the base country. For example, Ij/k* Ik/i = 1. where I is a price or quantity index.

Source Publication:
Handbook of the International Comparison Programme, Studies in Methods, Series F, No. 62, United Nations Department of Economic and Social Development, Statistical Division, New York, 1992, Glossary.


Statistical Theme: Prices and purchasing power partities

Created on Thursday, February 6, 2003