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GTAP Resource #7752

"Impacts of developed countries' degrowth and capital redistribution on international economic convergence under climate change mitigation policies"
by Fan, Limeng and Shinichiro Fujimori


Abstract
Degrowth is proposed to reduce energy and resource throughput while improving quality of life, offering an alternative to technology-heavy climate mitigation. However, developing countries still require economic growth. Redistributing surplus capital from developed to developing countries could accelerate economic convergence, but it raises concerns about hindering the 1.5°C target due to developing regions' higher emission intensities.

This study evaluates how redistributing surplus capital, resulting from a transition to a zero-growth trajectory in developed countries, affects the difficulty of climate mitigation. We simulated a zero-growth scenario incorporating international capital redistribution under a 1.5°C constraint using the Asia-Pacific Integrated Modeling-Hub (AIM-Hub), a global-scale recursive dynamic CGE model.

Our results demonstrate that international capital redistribution does not significantly compromise global mitigation. In the capital redistribution scenario under the 1.5°C target, the global average annual change rates for energy intensity and renewable energy expansion, along with cumulative carbon dioxide removal (CDR) utilization, were -2.1%, 9.1%, and 980 GtCO2, respectively. These are comparable to the standard economic growth scenario (-2.2%, 8.8%, and 1000 GtCO2). Furthermore, GDP per capita in developing regions increased significantly, leading to a substantial reduction in international economic inequality.

Capital redistribution enables international economic convergence while remaining compatible with stringent climate goals. Future research should address limitations regarding technological progress dynamics and domestic wealth redistribution.


Resource Details () GTAP Keywords
Category: 2026 Conference Paper
Status: Not published
By/In:
Date: 2026
Version: 1
Created: Fan, L. (4/13/2026)
Updated: Fan, L. (4/13/2026)
Visits: 6
- Climate change policy
- Sustainable development
- Economic development
- Economic growth
- Dynamic modeling
- Partial and general equilibrium models
- Global


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