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Capturing Key Energy and Emission Trends in CGE models: Assessment of Status and Remaining Challenges

Taran Faehn, Gabriel Bachner, Robert Beach (), Jean Chateau, Shinichiro Fujimori, Madanmohan Ghosh (), Meriem Hamdi-Cherif, Elisa Lanzi (), Sergey Paltsev, Toon Vandyck, Bruno Cunha, Rafael Garaffa () and Karl Steininger

Journal of Global Economic Analysis, 2020, vol. 5, issue 1, 196-272

Abstract: Limiting global warming in line with the goals in the Paris Agreement will require substantial technological and behavioural transformations. This challenge drives many of the current modelling trends. This article undertakes a review of 17 state-of-the-art recursive-dynamic computable general equilibrium (CGE) models and assesses the key methodologies and applied modules they use for representing sectoral energy and emission characteristics and dynamics. The purpose is to provide technical insight into recent advances in the modelling of current and future energy and abatement technologies and how they can be used to make baseline projections and scenarios 20-80 years ahead. Numerical illustrations are provided. In order to represent likely energy system transitions in the decades to come, modern CGE tools have learned from bottom-up studies. Three different approaches to baseline quantification can be distinguished: (a) exploiting bottom-up model characteristics to endogenize responses of technological investment and utilization, (b) relying on external information sources to feed the exogenous parameters and variables of the model, and (c) linking the model with more technology-rich, partial models to obtain bottom-up- and pathway-consistent parameters.

Keywords: Computable General Equilibrium Models; Long-term economic projections; Energy; Emissions; Greenhouse gases. (search for similar items in EconPapers)
Date: 2020
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Working Paper: Capturing Key Energy and Emission Trends in CGE Models: Assessment of Status and Remaining Challenges (2020) Downloads
Working Paper: Capturing Key Energy and Emission Trends in CGE models. Assessment of Status and Remaining Challenges (2020) Downloads
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DOI: 10.21642/JGEA.050106AF

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