Gempack

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GEMPACK (General Equilibrium Modelling PACKage) is a modeling system for CGE economic models, produced and used at the Centre of Policy Studies (CoPS), Monash University, Australia, and sold by CoPS to other CGE modellers.

Some of the more well-known CGE models solved using GEMPACK are the GTAP model of world trade, and the MONASH, MMRF, ORANI-G and TERM models used at CoPS. All these models share a distinctive feature: they are formulated as a system of differential equations in percentage change form; however, this is not required by GEMPACK.

GAMS is another modeling system often used to solve CGE models.