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JCGE: A Modular Julia Framework for Computable General Equilibrium Modelling

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  • Boero, Riccardo

    (NILU - the Climate and Environmental Research Institute)

Abstract

Computable general equilibrium (CGE) modelling requires a workflow beyond equilibrium specification and solution: data preparation, calibration, model construction, diagnostics, experiments, and results handling. JCGE is an Apache-2.0-licensed Julia framework of focused, independently versioned packages. It provides data and calibration utilities, reusable CGE blocks, a shared execution specification, diagnostics, outputs, and reference models. Application packages compose these components while retaining their own data, closures, and economic assumptions. The runtime constructs JuMP models for nonlinear and mixed-complementarity formulations without prescribing a solver. A Model Context Protocol interface supports framework discovery and owner-registered workflows. This paper presents the architecture, quality controls, and reuse potential for independently developed CGE software.

Suggested Citation

  • Boero, Riccardo, 2026. "JCGE: A Modular Julia Framework for Computable General Equilibrium Modelling," SocArXiv 7zn93_v1, Center for Open Science.
    • Handle: RePEc:osf:socarx:7zn93_v1
    DOI: 10.31235/osf.io/7zn93_v1
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    References listed on IDEAS

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    1. Adjemian, Stéphane & Juillard, Michel & Karamé, Fréderic & Mutschler, Willi & Pfeifer, Johannes & Ratto, Marco & Rion, Normann & Villemot, Sébastien, 2026. "Dynare: Reference Manual, Version 7," Dynare Working Papers 87, CEPREMAP, revised 11 Sep 2026.
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