Methods of Aggregation above the Basic Heading Level within Regions

Walter Diewert

Economics working papers from Vancouver School of Economics

Abstract: The paper explains part of the methodology that was used in the 2005 International Comparison Program (ICP) that compared the relative price levels and GDP levels across 146 countries and 5 regions. This paper looks at the methodology which was used in order to calculate relative volumes and Purchasing Power Parities (PPPs) within each region. In previous rounds of the ICP, only two multilateral methods were used: the Gini Eltetö Köves Szulc (GEKS) method and the Geary Khamis (GK) method, which is an additive method. The axiomatic and economic properties of these methods and a relatively new additive method, the Iklé Dikhanov Balk (IDB) method used by the African region, are studied. A fourth method, the Minimum Spanning Tree method, due to Robert Hill is also studied.

Keywords: Index numbers; multilateral comparison methods; GEKS; Geary-Khamis; Iklé-Dikhanov-Balk; Purchasing Power Parities (PPPs); spatial chaining; Fisher id (search for similar items in EconPapers)
JEL-codes: C43 C81 E31 O57 (search for similar items in EconPapers)
Pages: 50 pages
Date: 2011-09-23, Revised 2011-09-23
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Persistent link: https://EconPapers.repec.org/RePEc:ubc:bricol:erwin_diewert-2011-24

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