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Methods to Aggregate Import Tariffs and their Impacts on Modeling Results


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  • Pelikan, Janine

    (Johann Heinrich von Thünen Institute (vTI))

  • Brockmeier, Martina

    (Johann Heinrich von Thünen Institute (vTI))

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    When impacts of WTO market access proposals are analyzed with economic trade models, it is necessary to aggregate tariff data from the detailed tariff line level to the model level. In this article import tariffs and implemented import tariff cuts are aggregated from the HS6-digit tariff line level with the simple and trade weighted average, the Trade Restrictiveness Index (TRI) and the Mercantilist Trade Restrictiveness Index (MTRI) by considering bound and applied tariff rates. The resulting tariffs are substituted for the originally applied import tariffs of the GTAP data base. Multilateral trade liberalization scenarios are then implemented and the welfare effects are compared.

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    Bibliographic Info

    Article provided by Center for Economic Integration, Sejong University in its journal Journal of Economic Integration.

    Volume (Year): 23 (2008)
    Issue (Month): ()
    Pages: 685-708

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    Handle: RePEc:ris:integr:0450

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    Related research

    Keywords: import tariff aggregation; tariff cutting scenarios; bound and applied tariffs; WTO negotiations; CGE modeling; agricultural trade policy;

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    Cited by:
    1. Brockmeier, Martina & Bektasoglu, Beyhan, 2014. "Model structure or data aggregation level: Which leads to greater bias of results?," Economic Modelling, Elsevier, vol. 38(C), pages 238-245.
    2. Pelikan, Janine & Banse, Martin, 2014. "Auswirkungen regionaler Freihandelsabkommen auf deutsche und europäische Agrarmärkte," Thünen Working Papers 17, Johann Heinrich von Thünen Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries.
    3. Listorti, Giulia & Tonini, Axel & Kempen, Makus & Adenauer, Marcel, 2013. "How to Implement WTO Scenarios in Simulation Models: Linking the TRIMAG Tariff Aggregation Tool to Capri," 135th Seminar, August 28-30, 2013, Belgrade, Serbia 160388, European Association of Agricultural Economists.


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