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GTAPINGAMS, version 9: Multiregional and small open economy models with alternative demand systems

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  • Bruno Lanz
  • Thomas F. Rutherford

Abstract

This paper describes the implementation in GAMS of an economic equilibrium model based on the GTAP version 9 dataset. We call this model and the ancillary programming tools GTAPINGAMS, version 9. Relative to previous installments of GTAPINGAMS, an innovation in this model is that it can easily switch between global multiregional (GMR) and small open economy (SOE) closures. We also include the possibility to evaluate results for alternatives representations of final demand, based on Cobb-Douglas preferences, linear expenditure system or the constant difference in elasticities function. In this paper we outline the model structure, document the associated equilibrium conditions and describe computer programs which calibrate the model to the desired regional and sectoral aggregation from the GTAP9 dataset. We perform a few calculations which illustrate how alternative structural assumptions influence the policy conclusions derived from the model.

Suggested Citation

  • Bruno Lanz & Thomas F. Rutherford, 2016. "GTAPINGAMS, version 9: Multiregional and small open economy models with alternative demand systems," IRENE Working Papers 16-08, IRENE Institute of Economic Research.
    • Handle: RePEc:irn:wpaper:16-08
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    References listed on IDEAS

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    1. Angel Aguiar & Badri Narayanan & Robert McDougall, 2016. "An Overview of the GTAP 9 Data Base," Journal of Global Economic Analysis, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University, vol. 1(1), pages 181-208, June.
    2. Jaime de MELO & Sherman ROBINSON, 2015. "Product Differentiation And The Treatment Of Foreign Trade In Computable General Equilibrium Models Of Small Economies," World Scientific Book Chapters, in: Modeling Developing Countries' Policies in General Equilibrium, chapter 2, pages 21-41, World Scientific Publishing Co. Pte. Ltd..
    3. Rutherford, Thomas F, 1999. "Applied General Equilibrium Modeling with MPSGE as a GAMS Subsystem: An Overview of the Modeling Framework and Syntax," Computational Economics, Springer;Society for Computational Economics, vol. 14(1-2), pages 1-46, October.
    4. Devaragan, Shantayanan & Lewis, Jeffrey D. & Robinson, Sherman, 1990. "Policy lessons from trade-focused, two-sector models," Journal of Policy Modeling, Elsevier, vol. 12(4), pages 625-657.
    5. Hertel, Thomas, 1997. "Global Trade Analysis: Modeling and applications," GTAP Books, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University, number 7685, December.
    6. Hanoch, Giora, 1975. "Production and Demand Models with Direct or Indirect Implicit Additivity," Econometrica, Econometric Society, vol. 43(3), pages 395-419, May.
    7. Rutherford, Thomas F., 1995. "Extension of GAMS for complementarity problems arising in applied economic analysis," Journal of Economic Dynamics and Control, Elsevier, vol. 19(8), pages 1299-1324, November.
    8. Devarajan, Shantayanan & Lewis, Jeffrey & Robinson, Sherman, 1990. "Policy Lessons from Two-Sector Models," CUDARE Working Papers 198566, University of California, Berkeley, Department of Agricultural and Resource Economics.
    9. Christoph Böhringer & Thomas Rutherford, 2002. "Carbon Abatement and International Spillovers," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 22(3), pages 391-417, July.
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    Cited by:

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    More about this item

    Keywords

    Applied economic analysis; Multiregional models; Small open economy models; Regulation; Trade policy; Computational models; Calibration.;
    All these keywords.

    JEL classification:

    • C6 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling
    • C8 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs
    • D5 - Microeconomics - - General Equilibrium and Disequilibrium
    • F1 - International Economics - - Trade
    • R1 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics

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