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LONG-RUN SIMULATIONS WITH GTAP: Illustrative Results from APEC Trade Liberalisation

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  • Terrie Walmsley

Abstract

In static applied general equilibrium models, the exogenous/endogenous split between variables (or closure) is used to infer the time frame over which the effects of a shock are simulated. This paper introduces a long-run closure for the GTAP model (Hertel and Tsigas, 1997) and uses this closure to simulate and compare the short-run and long-run effects of Asia-Pacific trade liberalisation. The approach explored here incorporates some relatively minor changes to existing GTAP theory in order to define a steady state in which growth rates of all real variables are uniform. Such uniformity must apply in the initial database (as well as in the post-shock solution). So to implement the new long run in GTAP a new initial database must first be created. Details concerning the creation of the new database are given, and results under the new approach are compared with those obtained under the old. The emphasis of this paper is on the development of a long-run closure in which the percentage change form equations of the model and the relationships between the levels variables in the GTAP database are consistent. Further research is required into these types of long-run closures to incorporate changes in ownership of capital to ensure that changes in welfare are adequately modelled. In the results reported here, GDP is not a useful guide to national welfare. The long-run closures introduced here are also compared with another comparative static long-run closure developed for GTAP by Francois, MacDonald and Nordstrom (1996).

Suggested Citation

  • Terrie Walmsley, 1998. "LONG-RUN SIMULATIONS WITH GTAP: Illustrative Results from APEC Trade Liberalisation," Centre of Policy Studies/IMPACT Centre Working Papers ip-70, Victoria University, Centre of Policy Studies/IMPACT Centre.
  • Handle: RePEc:cop:wpaper:ip-70
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    References listed on IDEAS

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    1. Philip D. Adams & Karen M. Huff & Robert McDougall & K.R. Pearson & Alan A. Powell, 1996. "Medium- and Long-run Consequences for Australia of an APEC Free Trade Area: CGE Analyses using the GTAP and MONASH Models," Centre of Policy Studies/IMPACT Centre Working Papers g-111, Victoria University, Centre of Policy Studies/IMPACT Centre.
    2. Lawrence H. Goulder & Barry Eichengreen, 1992. "Trade Liberalization in General Equilibrium: Intertemporal and Inter-industry Effects," Canadian Journal of Economics, Canadian Economics Association, vol. 25(2), pages 253-280, May.
    3. Hertel, Thomas, 1997. "Global Trade Analysis: Modeling and applications," GTAP Books, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University, number 7685.
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    Citations

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    Cited by:

    1. De Miguel, Carlos J. & Durán Lima, José Elías & Schuschny, Andrés Ricardo, 2007. "Trade agreements by Colombia, Ecuador and Peru with the United States: effects on trade, production and welfare," Revista CEPAL, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL), April.
    2. Boyer, Ivan & Schuschny, Andrés Ricardo, 2010. "Quantitative assessment of a free trade agreement between MERCOSUR and the European Union," Estudios Estadísticos 69, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL).
    3. Terrie L. Walmsley, 1999. "Incorporating International Capital Ownership into the GTAP Model: Results for Asia-Pacific Trade Liberalisation," Centre of Policy Studies/IMPACT Centre Working Papers ip-72, Victoria University, Centre of Policy Studies/IMPACT Centre.
    4. Jong Eun Lee, 2004. "The sequential issue in free trade areas: Policy implication for Korea," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 9(2), pages 165-174.
    5. De Miguel, Carlos J. & Durán Lima, José Elías & Schuschny, Andrés Ricardo, 2007. "Los acuerdos comerciales de Colombia, Ecuador y Perú con los Estados Unidos: efectos sobre el comercio, la producción y el bienestar," Revista CEPAL, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL), April.
    6. Chunding Li & John Whalley, 2016. "The 2008 Financial Crisis and the Lack of Retaliatory Trade Intervention," NBER Working Papers 21853, National Bureau of Economic Research, Inc.
    7. Oktaviani, Rina & Sugema, Iman & Ratnawaty, Anny, 2003. "Bank Restructuring and its Implication on Indonesian Macro Economy and Agricultural Sector," 2003 Conference (47th), February 12-14, 2003, Fremantle, Australia 58194, Australian Agricultural and Resource Economics Society.

    More about this item

    JEL classification:

    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • F15 - International Economics - - Trade - - - Economic Integration

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