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GTAP Resource #6899

"Overview of Recent Developments in SIMPLE-G, a Framework for Multi-scale Analysis of Sustainability"
by Hertel, Thomas

The world faces significant sustainability challenges in the decades ahead. Growing populations and rising incomes are placing unprecedented stresses on the planetary boundaries, with the world’s land and water resources at growing risk (Steffen et al., 2015). The challenge posed in making such assessments is that sustainability stresses do not respect disciplinary boundaries. Furthermore, while the stresses are often highly localized, the drivers of these stresses are global, and the local responses can feedback to national and global outcomes. For this reason, assessment of the underlying risks, as well as potential solutions, is typically undertaken with a suite of models using complex approaches that often preclude replication and use by researchers outside the core group (Obersteiner et al., 2016; Springmann et al., 2018).

There are just a few open-source, bottom-up, economic-environmental modelling framework capable of analyzing global sustainability at the resolution of individual grid cells (Lotze-Campen et al., 2008; Valin et al., 2013). There is clearly a tradeoff between complexity and accessibility. Models used in teaching and academic research are generally simpler than those developed by national and international labs and research institutions. Having a relatively simple, global, grid-resolving sustainability framework that can be also run ‘in-cloud’ will allow wider participation in sustainability discussions and can facilitate greater crowd-sourcing of new ideas, data, and parameters to enrich the representation of local stresses, policies, and adaptations. The forthcoming book documents such a modelling framework -- SIMPLE-G, a Simplified International Model of agricultural Prices, Land use, and the Environment-Gridded version. In this paper we provide an overview of the SIMPLE-G framework and its use for multiscale sustainability analysis.

Resource Details (Export Citation) GTAP Keywords
Category: 2023 Conference Paper
Status: Not published
By/In: Presented during the 26th Annual Conference on Global Economic Analysis (Bordeaux, France)
Date: 2023
Created: Hertel, T. (4/13/2023)
Updated: Hertel, T. (4/13/2023)
Visits: 381
- Advances in quantitative methods
- Model extension/development
- Environmental policies
- Land use
- Trade and the environment

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