GTAPShape: A flexible approach to spatially disaggregating national land endowments for CGE modeling
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Abstract
This paper presents gtapshape, an R package that allows the user to flexibly disaggregate the national endowments used in the computational general equilibrium (CGE) models based on the GTAP-AEZ framework. By allowing the user to specify the set of subnational boundaries in the form of a shapefile, gtapshape allows for a richer understanding of how within-country heterogeneity impacts the results of CGE models. gtapshape’s modular strategy also allows for fast updating of the database as new sources of data become available. gtapshape is fully written in R and hosted in GitHub as free and open software. This should facilitate its incorporation into specialized workflows.
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