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Comparative Analysis of Trade Volumes and Price Indices in OECD Countries: 3rd WPTGS Meeting Summary

This report summarizes the outcomes of the 3rd WPTGS meeting held on 4-6 October 2010 at the OECD. It discusses the calculation of Unit Value Index (UVI) and trade volumes for various commodity classifications, including HS, SITC, and BEC. The report highlights the interest in developing import/export price indices for services and explores the use of Laspeyres and Paasche indexes in trade statistics. It addresses the challenges faced by countries in calculating UVI and the compilation of mixed XMPI. The report also covers the compilation of UVI for benchmarking survey-based price indexes.

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Comparative Analysis of Trade Volumes and Price Indices in OECD Countries: 3rd WPTGS Meeting Summary

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  1. Country reports on UVI/trade volumes Agenda Item 5d STD Statistics Directorate 3rd WPTGS meeting 4-6 October 2010, OECD

  2. Main outcomes • 17 replies received • Relating to UVI and price indices calculated on infra-annual and most detailed (HS 6+2 or more) commodity trade • Interest expressed in developing import/export price indices for services. • Laspeyres(Q) and Paasche (P) –”ideal” Fisher seem to be next step when not already calculated. • Volume indices are in general derived from price and value indices. • Classifications: HS, SITC, BEC, ISIC, CPA, Prodcom, national classifications. 3rd WPTGS meeting 4-6 October 2010, OECD

  3. UVI versus price indices. • Some countries do not calculate UVI as “they do not distinguish changes in item quality mix and changes in prices” • Other countries compile “mixed” XMPI (UVI for SITC 0-4 & enterprise surveys for SITC 5-8). • Some compile UVI for benchmarking the survey based price indexes

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