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GTAP Resource #5396

"GTAPINGAMS: Multiregional and Small Open Economy Models"
by Lanz, Bruno and Thomas Rutherford

This paper describes the implementation in the General Algebraic Modeling Language (GAMS) of an economic equilibrium model based on the Global Trade Analysis Project (GTAP) dataset. We call this model and the ancillary programming tools GTAPINGAMS. 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 compare results for alternative representations of final demand, based on Cobb-Douglas, linear expenditure system and constant difference in elasticities demand systems. 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.

Resource Details (Export Citation) GTAP Keywords
Category: 2017 Conference Paper
Status: Published
By/In: Presented at the 20th Annual Conference on Global Economic Analysis, West Lafayette, IN, USA
Date: 2017
Version: 1
Created: Rutherford, T. (4/17/2017)
Updated: Batta, G. (4/19/2017)
Visits: 2,066
- Calibration and parameter estimation
- Model validation and sensitivity analysis
- Software and modeling tools
- The GTAP Data Base and extensions

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