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Modeling Services Liberalization: The Case of Tanzania

  • Jensen, Jesper

    (Teca Training)

  • F. Rutherford , Thomas

    (Swiss Federal Institute of Technology)

  • G. Tarr, David


    (The World Bank)

This paper employs a 52-sector, small, open-economy computable general equilibrium model of the Tanzanian economy to assess the impact of the liberalization of regulatory barriers against foreign and domestic business service providers in Tanzania. The model incorporates productivity effects in both goods and services markets endogenously, through a Dixit-Stiglitz framework. It summarizes policy notes on the key business service sectors that were prepared for this work, and estimates the ad valorem equivalent of barriers to foreign direct investment based on these policy notes and detailed questionnaires completed by specialists in Tanzania. The authors estimate that Tanzania will gain about 5.3 percent of the value of Tanzanian consumption in the medium run (or about 4.8 percent of gross domestic product) from a full reform package that also includes uniform tariffs. The estimated gains increase to about 16 percent of consumption in the long-run, steady-state model, where the impact on the accumulation of capital from an improvement in the productivity of capital is taken into account. Decomposition exercises reveal that the largest gains to Tanzania will derive from liberalization of costly regulatory barriers that are non-discriminatory in their impacts between Tanzanian and multinational service providers.

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Paper provided by The World Bank in its series Policy Research Working Paper Series with number 4801.

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Length: 43 pages
Date of creation: 01 Dec 2008
Date of revision:
Handle: RePEc:wbk:wbrwps:4801
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  1. Philippa Dee & Kevin Hanslow & Tiem Phamduc, 2003. "Measuring the Cost of Barriers to Trade in Services," NBER Chapters, in: Trade in Services in the Asia Pacific Region, NBER East Asia Seminar on Economics (EASE), Volume 11, pages 11-46 National Bureau of Economic Research, Inc.
  2. Mark J. Melitz, 2002. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," NBER Working Papers 8881, National Bureau of Economic Research, Inc.
  3. Hansen, Terje & Koopmans, Tjalling C., 1972. "On the definition and computation of a capital stock invariant under optimization," Journal of Economic Theory, Elsevier, vol. 5(3), pages 487-523, December.
  4. Paul M. Romer, 1993. "New Goods, Old Theory, and the Welfare Costs of Trade Restrictions," NBER Working Papers 4452, National Bureau of Economic Research, Inc.
  5. Jesper Jensen & Thomas Rutherford & David Tarr, 2007. "The Impact of Liberalizing Barriers to Foreign Direct Investment in Services: The Case of Russian Accession to the World Trade Organization," Review of Development Economics, Wiley Blackwell, vol. 11(3), pages 482-506, 08.
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