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Purchasing Power Parities for Industry Comparisons Using Weighted Elteto-Koves-Szulc (EKS) Methods

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  • D. S. Prasada Rao
  • Marcel P. Timmer

Abstract

This study has three main objectives. First, it develops a generalization of the commonly used EKS method to multilateral price comparisons. It is shown that the EKS system can be generalized so that weights can be attached to each of the link comparisons used in the EKS computations. These weights can account for differing levels of reliability of the underlying binary comparisons. Second, various reliability measures and corresponding weighting schemes are presented and their merits discussed. Finally, these new methods are applied to an international data set of manufacturing prices from the ICOP project. Although theoretically superior, it appears that the empirical impact of the weighted EKS method is generally small compared to the unweighted EKS. It is also found that this impact is larger when it is applied at lower levels of aggregation. Finally, the importance of using sector specific PPPs in assessing relative levels of manufacturing productivity is indicated. Copyright 2003 Blackwell Publishing Ltd..

Suggested Citation

  • D. S. Prasada Rao & Marcel P. Timmer, 2003. "Purchasing Power Parities for Industry Comparisons Using Weighted Elteto-Koves-Szulc (EKS) Methods," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 49(4), pages 491-511, December.
  • Handle: RePEc:bla:revinw:v:49:y:2003:i:4:p:491-511
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    Cited by:

    1. Robert Inklaar & Marcel P. Timmer & Bart van Ark, 2007. "Mind the Gap! International Comparisons of Productivity in Services and Goods Production," German Economic Review, Verein für Socialpolitik, vol. 8, pages 281-307, May.
    2. Johannes Van Biesebroeck, 2009. "Disaggregate productivity comparisons: sectoral convergence in OECD countries," Journal of Productivity Analysis, Springer, vol. 32(2), pages 63-79, October.
    3. Hill, Robert J. & Timmer, Marcel P., 2006. "Standard Errors as Weights in Multilateral Price Indexes," Journal of Business & Economic Statistics, American Statistical Association, vol. 24, pages 366-377, July.
    4. repec:dgr:rugggd:200473 is not listed on IDEAS
    5. Jan Nevima & Ingrid Majerová, 2015. "Application of ß – Convergence Approach in Visegrad Four Regions," Working Papers 0004, Silesian University, School of Business Administration.
    6. repec:dgr:rugggd:gd-89 is not listed on IDEAS
    7. Ludwig Auer, 2012. "Räumliche Preisvergleiche: Aggregationskonzepte und Forschungsperspektiven," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer;Deutsche Statistische Gesellschaft - German Statistical Society, vol. 6(1), pages 27-56, December.

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