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GTAP Resource #6825

"The Standard GTAP Model in GAMS, Version 7.1"
by van der Mensbrugghe, Dominique

The purpose of this document is to describe a version of the Global Trade Analysis Project (GTAP) computable general equilibrium (CGE) model implemented in the General Algebraic Modeling System (GAMS) that is a literal implementation of the standard General Economic Modeling Package (GEMPACK) version. It updates and supersedes the model description provided in van der Mensbrugghe (2018), which remains the main reference. The key revision of the new version is that the model is calibrated to initially normalized variables, similar to Rutherford’s GTAPinGams model (Lanz and Rutherford (2016)). One objective is to improve model scaling and hopefully numerical convergence. One advantage is that it is relatively easy to view the results in percentage change form, similar to the GEMPACK version of the model. The new version includes three additional extensions: national-level Armington preferences for domestic vs. imports, agent-level sourcing by region of origin (a variant of the multi-region input-output model (MRIO)), and rent-generating ad valorem equivalent (AVE) of non-tariff measures (NTMs).

Resource Details (Export Citation) GTAP Keywords
Category: Working Paper
Status: Published
By/In: GTAP Working Paper No. 92
Date: 2019
Created: McIntire, H. (4/6/2023)
Updated: Batta, G. (5/8/2023)
Visits: 1,369
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