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GTAP-DD: A Model for Analyzing Trade Reforms in the Presence of Duty Drawbacks

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  • Ianchovichina, Elena

Abstract

Duty drawback schemes, which typically involve a combination of duty rebates and exemptions, are a feature of many countries' trade regimes. They are used in highly protected, developing economies as means of providing exporters with imported inputs at world prices, and thus increasing their competitiveness, while maintaining the protection on the rest of the economy. In China duty exemptions have been central to the process of trade reform and have led to a tremendous increase in processed exports utilizing imported materials. Despite the widespread use and importance of duty drawbacks, these "new trade liberalization" instruments have been given relatively little attention in empirical multilateral trade liberalization studies. This paper presents an empirical multi-region trade model GTAP-DD, an extension of GTAP, in which the effects of policy reform are differentiated based on the trade-orientation of the firms. Both GTAP and GTAP-DD are used to analyze the impact of China's WTO accession, which involves liberalization in China from 1997 to post-accession tariffs among a number of other liberalization measures. The analysis shows that failure to account of duty exemptions in the case of China's recent WTO accession will overstate the increase in : (a) China's trade flows by 40 percent, (b) China's welfare by 15 percent, and (c) exports of selected sectors by as much as 90 percent. The magnitude of the bias depends on the level of pre-intervention tariffs and the size of tariff cuts - the larger the initial distortions and tariff reductions, the larger the bias when duty drawbacks are ignored. The bias in GTAP's estimates of China's real GDP, trade flows and welfare changes due to WTO accession increases more three times when China's pre-intervention tariffs are raised from their 1997 levels to the much higher 1995 levels. These results suggest that trade liberalization studies focusing on economies in which protection is high, import concessions play an important role and planned tariff cuts are deep, must treat duty drawbacks explicitly in order to avoid serious errors in their estimates of sectoral, trade flows and welfare changes.

Suggested Citation

  • Ianchovichina, Elena, 2003. "GTAP-DD: A Model for Analyzing Trade Reforms in the Presence of Duty Drawbacks," GTAP Technical Papers 1192, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University.
  • Handle: RePEc:gta:techpp:1192
    Note: GTAP Technical Paper No. 21
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    File URL: https://www.gtap.agecon.purdue.edu/resources/res_display.asp?RecordID=1192
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    References listed on IDEAS

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    1. Terrie L. Walmsley & Thomas W. Hertel, 2001. "China's Accession to the WTO: Timing is Everything," The World Economy, Wiley Blackwell, vol. 24(8), pages 1019-1049, September.
    2. Harrison, W Jill & Pearson, K R, 1996. "Computing Solutions for Large General Equilibrium Models Using GEMPACK," Computational Economics, Springer;Society for Computational Economics, vol. 9(2), pages 83-127, May.
    3. Ianchovichina, Elena, 2001. "Trade Liberalization in China’s Accession to WTO," Journal of Economic Integration, Center for Economic Integration, Sejong University, vol. 16, pages 421-445.
    4. Hertel, Thomas, 1997. "Global Trade Analysis: Modeling and applications," GTAP Books, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University, number 7685.
    5. Malcolm, Gerard, 1998. "Adjusting Tax Rates in the GTAP Data Base," GTAP Technical Papers 315, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University.
    6. Elena Ianchovichina & Will Martin, 2004. "Impacts of China's Accession to the World Trade Organization," World Bank Economic Review, World Bank Group, vol. 18(1), pages 3-27.
    7. Olivier Cadot & Jaime de Melo & Marcelo Olarreaga, 2015. "The Protectionist Bias of Duty Drawbacks: Evidence from Mercosur," World Scientific Book Chapters,in: Developing Countries in the World Economy, chapter 15, pages 359-380 World Scientific Publishing Co. Pte. Ltd..
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    Cited by:

    1. Abbott, Philip & Bentzen, Jeanet & Tarp, Finn, 2006. "Vietnam’s Accession to the WTO: Lessons from Past Trade Agreements," MPRA Paper 61679, University Library of Munich, Germany.
    2. Ianchovichina, Elena, 2004. "Trade policy analysis in the presence of duty drawbacks," Journal of Policy Modeling, Elsevier, vol. 26(3), pages 353-371, April.
    3. Elena Ianchovichina & Terrie Walmsley, 2005. "Impact of China's WTO Accession on East Asia," Contemporary Economic Policy, Western Economic Association International, vol. 23(2), pages 261-277, April.
    4. To, Minh Thu & Lee, Hiro, 2014. "Assessing the impacts of deeper trade reform in Vietnam in a general equilibrium framework," MPRA Paper 82271, University Library of Munich, Germany.
    5. Abbott, Philip & Bentzen, Jeanet & Tarp, Finn, 2009. "Trade and Development: Lessons from Vietnam's Past Trade Agreements," World Development, Elsevier, vol. 37(2), pages 341-353, February.
    6. Stephen Tokarick, 2006. "Does Import Protection Discourage Exports?," IMF Working Papers 06/20, International Monetary Fund.
    7. Houssein Boumellassa & Hugo Valin, 2009. "Vietnam's Accession to the WTO: Expost Evaluation in a Dynamic Perspective," Economie Internationale, CEPII research center, issue 118, pages 13-42.
    8. Abbott, Philip & Bentzen, Jeanet & Huong, Thi Lan & Tarp, Finn, 2007. "A Critical Review of Studies on the Social and Economic Impacts of Vietnam’s International Economic Integration," MPRA Paper 29789, University Library of Munich, Germany.
    9. Terrie L. Walmsley & Thomas W. Hertel & Elena Ianchovichina, 2006. "Assessing The Impact Of China'S Wto Accession On Investment," Pacific Economic Review, Wiley Blackwell, vol. 11(3), pages 315-339, October.
    10. Terrie L. Walmsley & Thomas Hertel & David Hummels, 2014. "Developing a GTAP-based multi-region, input–output framework for supply chain analysis," Chapters,in: Asia and Global Production Networks, chapter 2, pages 16-80 Edward Elgar Publishing.

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