Linking Global CGE Models with Sectoral Models to Generate Baseline Scenarios : Approaches, Challenges, and Opportunities

Ruth Delzeit, Robert Beach, Ruben Bibas, Wolfgang Britz, Jean Chateau, Florian Freund, Julien Lefèvre, Franziska Schuenemann, Timothy Sulser, Hugo Valin, Bas van Ruijven, Matthias Weitzel, Dirk Willenbockel, Krzysztof Wojtowicz


When modelling medium and long-term challenges we need a reference path of economic development (the so-called baseline). Because sectoral models often offer a more fundamental understanding of future developments for specific sectors, many CGE modeling teams have adopted different kinds of linking approaches to sectoral models to generate baselines. We systematically compare and discuss approaches of linking CGE models for the baseline calibration procedure, and discuss best practices and pitfalls. We identify different types of linking approaches which we divide into a) links with partial equilibrium models, and b) links with non-economic models. These two types of linking approaches are then analyzed with respect to e.g. the degree of linkage, information exchanged, as well as compromises in aggregations and definitions. Based on this, we discuss potential drawbacks and conclude with suggestions for best practices and research recommendations.

DELZEIT, Ruth et al. Linking Global CGE Models with Sectoral Models to Generate Baseline Scenarios: Approaches, Challenges, and Opportunities. Journal of Global Economic Analysis, [S.l.], v. 5, n. 1, p. 162-195, june 2020. ISSN 2377-2999. Available at: <>. Date accessed: 22 sep. 2020. doi:
Skip to content