Journal of Official Statistics, Vol.12, No.2, 1996. pp. 199–222
A Comparison of Ten Methods for Multilateral International Price and Volume Comparison
Bert M. Balk
Abstract:In this article we compare the performance of a number of methods for calculating (transitive) purchasing power parities and volume indices with respect to a set of tests proposed by Diewert (1986). The methods considered are: the Van IJzeren (balanced) method, the YKS and Q-YKS methods, the weighted EKS-Fisher method, the weighted Own Share system, the methods of Geary-Khamis, Ikle´, Gerardi, the KS-S method, and the Rao method. It appears that, with respect to the number of tests failed, the Van IJzeren method and the Geary-Khamis method show superior performance to the other methods. The article closes with a discussion of additivity.
Keywords:Index number theory; purchasing power parities; international comparison; additivity.
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