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On-line Documents

This section contains links to downloadable documents you may find useful for understanding how WITS calculates some statistics. Documents (in MS Word format) are also available as compressed files (zip format).

If you don't have the Winzip software, You can download it here.

 
 
 
  • UNCTAD, Division on International Trade in Goods and Services, and Commodities, "Calculation Of Ad Valorem Equivalents Of Non-Ad Valorem Tariffs - Methodology Notes", DRAFT – October 2001.
    - Download Word document (158Kb) - Download Zip file (24 Kb) -

  • WTO, Negotiating Group on Market Access, "Incidence Of Non-Ad Valorem Tariffs In Members' Tariff Schedules And Possible Approaches To The Estimation Of Ad Valorem Equivalents", TN/MA/S/10, 20 May 2003
    - Download Word document (252Kb) - Download Zip file (50 Kb) -

  • Martin W.,"Optimal indexes of Protection", note, Ocotber 2003.
    - Download Word document (26Kb) - Download Zip file (6 Kb) -