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GTAPShape: A flexible approach to spatially disaggregating national land endowments for CGE modeling

Micah Cameron-Harp et al.

Journal of Global Economic Analysis2025https://doi.org/10.21642/jgea.100204afarticle
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0.50

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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https://doi.org/https://doi.org/10.21642/jgea.100204af

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@article{micah2025,
  title        = {{GTAPShape: A flexible approach to spatially disaggregating national land endowments for CGE modeling}},
  author       = {Micah Cameron-Harp et al.},
  journal      = {Journal of Global Economic Analysis},
  year         = {2025},
  doi          = {https://doi.org/https://doi.org/10.21642/jgea.100204af},
}

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GTAPShape: A flexible approach to spatially disaggregating national land endowments for CGE modeling

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F · citation impact0.50 × 0.4 = 0.20
M · momentum0.50 × 0.15 = 0.07
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R · text relevance †0.50 × 0.4 = 0.20

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