Reflections on linking economic equilibrium models with agent-based models in the context of agricultural land use

Alena Schmidt, Franziska Appel, Filippo Arfini, Robin Argueyrolles, Lisa Baldi, Tatiana Filatova, Robert Finger, Jiaqi Ge, Nastasija Grujić, Thomas Heckelei, Robert Huber, Ahmet Ali Koç, Chunhui Li, Gabriele Mack, Birgit Müller, Davit Stepanyan, Meike Will and Ruth Delzeit

EconStor Open Access Articles and Book Chapters, 2026, vol. 8, No 18872, 18 pages

Abstract: Linking computable general or partial equilibrium models with agent-based models can combine the strengths of both modeling concepts. The linking allows to trace global feedback effects while providing a flexible representation of human behavior and social interactions. This linking would facilitate the simulation of interconnected land-use and economic systems while accounting for actors’ heterogeneity, their specializations, and the representation of alternative decision models. In this paper, we examine the challenges that currently hinder the realization of these potential benefits and present a roadmap outlining possible solutions for successful model linking in the context of land use change. The main challenges include: 1) conceptual misalignment between modeling concepts, 2) differences in scales and resolution, 3) difficulties in validation and calibration of linked models, 4) increased complexity in interpreting and communicating results, 5) high demands on compu-tational infrastructure and computational costs, and 6) limited personnel and financial resources. Successfully linking different model concepts and overcoming these challenges requires the modelling communities and stakeholders to engage in long-term, platform-supported dialogue. This dialogue could facilitate the development of a shared framework for model linking, standards for model documentation, validation procedures, and appropriate approaches for communicating and evaluating results. This process will enhance the benefits and sustain the linked models while helping determine circumstances in which the advantages of linking models may outweigh the costs.

Keywords: agent-based model; computable general equilibrium model; partial equilibrium model; model integration (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:espost:340057

DOI: 10.18174/sesmo.18872

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