A standard computable general equilibrium (CGE) model in GAMS

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dc.creatorLofgren, Hans
dc.creatorHarris, Rebecca Lee
dc.creatorRobinson, Sherman
dc.date2001
dc.date2024-10-24T12:53:14Z
dc.date2024-10-24T12:53:14Z
dc.date.accessioned2026-06-27T15:20:20Z
dc.descriptionComputable general equilibrium (CGE) models are used widely in policy analysis. The purpose of this paper is to contribute to and facilitate the use of CGE models. The paper includes a detailed presentation of a “standard” CGE model (an equation-by-equation description) and its required database. It incorporates features developed in recent years in research projects conducted at IFPRI. These features, which are of particular importance in developing countries, include household consumption of non-marketed (or “home”) commodities, explicit treatment of transaction costs for commodities that enter the market sphere, and a separation between producing activities and commodities that permits any activity to produce multiple commodities and any commodity to be produced by multiple activities. The paper discusses the implementation of the model in GAMS (the General Algebraic Modeling System) and is accompanied by a self-extracting zip file, which includes the GAMS files for the model, sample databases, simulations, solution reports, and a SAM aggregation program. Although the paper provides a standardized framework for analysis, the analyst is not forced to make “one-size-fits-all” assumptions. The GAMS code is written in a manner that gives the analyst considerable flexibility in model specification.
dc.formatapplication/pdf
dc.identifierhttps://hdl.handle.net/10568/158026
dc.identifier.urihttp://hdl.handle.net/123456789/101522
dc.languageen
dc.publisherInternational Food Policy Research Institute
dc.rightsOpen Access
dc.sourceLofgren, Hans; Harris, Rebecca Lee; Robinson, Sherman. 2001. A standard computable general equilibrium (CGE) model in GAMS. TMD Discussion Paper 75. https://hdl.handle.net/10568/158026
dc.subjecthousehold consumption
dc.subjecteconomic policies
dc.subjectmathematical models
dc.subjectcomputable general equilibrium models
dc.titleA standard computable general equilibrium (CGE) model in GAMS
dc.typeWorking Paper

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Instituto Internacional de Investigación sobre Políticas Alimentarias (IFPRI)